This master DTC list includes all applicable DTCs in alphanumeric order with descriptors.
DTC  | DTC Descriptor  | Module That Sets the DTC  | Diagnostic Procedure  | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
B0012  | Right Front/Passenger Frontal Deployment Loop Stage 2 Resistance Low  | SDM  | |||||||||
B0013  | Right Front/Passenger Frontal Deployment Loop Stage 2 Open  | SDM  | |||||||||
B0014  | Right Front/Passenger Frontal Deployment Loop Stage 2 Voltage Out of Range  | SDM  | |||||||||
B0016  | Right Front/Passenger Frontal Deployment Loop Resistance Low  | SDM  | |||||||||
B0017  | Right Front/Passenger Frontal Deployment Loop Open  | SDM  | |||||||||
B0018  | Right Front/Passenger Frontal Deployment Loop Out of Range  | SDM  | |||||||||
B0022  | Left Front/Driver Frontal Deployment Loop Resistance Low  | SDM  | |||||||||
B0024  | Left Front/Driver Frontal Deployment Loop Out of Range  | SDM  | |||||||||
B0026  | Left Front/Driver Frontal Deployment Loop Open  | SDM  | |||||||||
B0042  | Left Front/Driver Frontal Deployment Loop Stage 2 Resistance Low  | SDM  | |||||||||
B0043  | Left Front/Driver Frontal Deployment Loop Stage 2 Voltage Out of Range  | SDM  | |||||||||
B0044  | Left Front/Driver Frontal Deployment Loop Stage 2 Open  | SDM  | |||||||||
B0051  | Deployment Commanded  | SDM  | DTC B0051 in SIR  | ||||||||
B0053  | Deployment Commanded with Loop DTCs Present  | SDM  | DTC B0053 in SIR  | ||||||||
B0078  | Right Front/Passenger Side Impact Sensor (SIS) Performance  | SDM  | DTC B0078, B0081, or B0082 in SIR  | ||||||||
B0081  | Incorrect Right Front/Passenger Side Impact Sensor (SIS) Installed  | SDM  | DTC B0078, B0081, or B0082 in SIR  | ||||||||
B0082  | Discard Right Front/Passenger Side Impact Sensor (SIS)  | SDM  | DTC B0078, B0081, or B0082 in SIR  | ||||||||
B0083  | Right Front/Passenger Seat Position Sensor Circuit  | SDM  | DTC B0083 or B0084 in SIR  | ||||||||
B0084  | Left Front/Driver Seat Position Sensor Circuit  | SDM  | DTC B0083 or B0084 in SIR  | ||||||||
B0090  | Active Switch Voltage Out of Range  | SDM  | DTC B0090 in SIR  | ||||||||
B0091  | Active Switch: Wrong State  | SDM  | DTC B0091 in SIR  | ||||||||
B0092  | Passenger Presence System Performance  | SDM  | DTC B0092 in SIR  | ||||||||
B0098  | Passenger Presence System Configuration Error  | SDM  | DTC B0098 in SIR  | ||||||||
B0100  | Electronic Front End Sensor 1 Performance  | SDM  | |||||||||
B0101  | Discard Electronic Front End Sensor 1  | SDM  | |||||||||
B0102  | Incorrect Electronic Front End Sensor 1 Installed  | SDM  | |||||||||
B0103  | Electronic Front End Sensor 2 Performance  | SDM  | |||||||||
B0104  | Discard Electronic Front End Sensor 2  | SDM  | |||||||||
B0105  | Incorrect Electronic Front End Sensor 2 Installed  | SDM  | |||||||||
B013A  | A/C System Performance  | HVAC Control Module  | DTC B013A in HVAC Systems - Automatic  | ||||||||
B0159  | Outside Air Temperature Sensor Circuit Range/Performance  | HCM  | DTC B0159 in Engine Cooling  | ||||||||
HVAC Control Module  | DTC B0159 or B0164 in HVAC Systems - Automatic  | ||||||||||
B0164  | Passenger Compartment Temperature Sensor Circuit Range/Performance  | HVAC Control Module  | DTC B0159 or B0164 in HVAC Systems - Automatic  | ||||||||
B0174  | Output Air Temperature Sensor 1 Upper Left Circuit Range/Performance  | HVAC Control Module  | DTC B0174, B0179, B0510, or B0515 in HVAC Systems - Automatic  | ||||||||
B0179  | Output Air Temperature Sensor 2 Lower Left Circuit Range/Performance  | HVAC Control Module  | DTC B0174, B0179, B0510, or B0515 in HVAC Systems - Automatic  | ||||||||
B0183  | Solar Load Sensor 1 Circuit  | HVAC Control Module  | DTC B0183 or B0188 in HVAC Systems - Automatic  | ||||||||
B0188  | Solar Load Sensor 2 Circuit  | HVAC Control Module  | DTC B0183 or B0188 in HVAC Systems - Automatic  | ||||||||
B0229  | Recirculate Position Feedback Circuit Range/Performance  | HVAC Control Module  | DTC B0229, B0414, B0424, or B3770 in HVAC Systems - Automatic  | ||||||||
B0263  | Air Flow Control 6 A/C Circuit  | HVAC Control Module  | DTC B0263, B0268, B0408, or B0418 in HVAC Systems - Automatic or DTC B0263, B0408, or B0418 in HVAC Systems - Manual  | ||||||||
B0268  | Air Flow Control 7 Circuit  | HVAC Control Module  | DTC B0263, B0268, B0408, or B0418 in HVAC Systems - Automatic  | ||||||||
B0283  | Electric Rear Defrost Circuit  | BCM  | DTC B0283 in Stationary Windows  | ||||||||
B0408  | Temperature Control 1 Circuit  | HVAC Control Module  | DTC B0263, B0268, B0408, or B0418 in HVAC Systems - Automatic or DTC B0263, B0408, or B0418 in HVAC Systems - Manual  | ||||||||
B0414  | Temperature Control 1 Feedback Circuit Range/Performance  | HVAC Control Module  | DTC B0229, B0414, B0424, or B3770 in HVAC Systems - Automatic or DTC B0414, B0424, or B3770 in HVAC Systems - Manual  | ||||||||
B0418  | Temperature Control 2 Circuit  | HVAC Control Module  | DTC B0263, B0268, B0408, or B0418 in HVAC Systems - Automatic or DTC B0263, B0408, or B0418 in HVAC Systems - Manual  | ||||||||
B0424  | Temperature Control 2 Feedback Circuit Range/Performance  | HVAC Control Module  | DTC B0229, B0414, B0424, or B3770 in HVAC Systems - Automatic or DTC B0414, B0424, or B3770 in HVAC Systems - Manual  | ||||||||
B0510  | Output Air Temperature Sensor 3 Upper Right Circuit Range/Performance  | HVAC Control Module  | DTC B0174, B0179, B0510, or B0515 in HVAC Systems - Automatic  | ||||||||
B0515  | Output Air Temperature Sensor 4 Lower Right Circuit Range/Performance  | HVAC Control Module  | DTC B0174, B0179, B0510, or B0515 in HVAC Systems - Automatic  | ||||||||
B0540  | Speedometer Circuit  | IPC  | DTC B0540 in Instrument Panel, Gages, and Console  | ||||||||
B0560  | Tachometer Circuit  | IPC  | DTC B0560 in Instrument Panel, Gages, and Console  | ||||||||
B0790  | Transfer Case Neutral Indicator Circuit Malfunction  | ATC  | DTC B0790 in Transfer Case - NVG 246-NP8 or DTC B0790 in Transfer Case - NVG 269-NP1  | ||||||||
B0989  | Output Air Temperature Lower Sensors Correlation  | HVAC Control Module  | DTC B0989 in HVAC Systems - Automatic  | ||||||||
B0990  | Output Air Temperature Upper Sensors Correlation  | HVAC Control Module  | DTC B0990 in HVAC Systems - Automatic  | ||||||||
B1000  | Electronic Control Unit (ECU) Performance  | Audio Amplifier, BCM, DDM, DRR, DSM, FPDM, HVAC, IPC, Radio, RWSCM, SDM, VCIM  | DTC B1000 in Computer/Integrating Systems  | ||||||||
B1001  | Option Configuration Error  | Radio  | DTC B1001 in Entertainment  | ||||||||
SDM  | DTC B1001 in SIR  | ||||||||||
B1004  | Keep Alive Memory (KAM) Reset  | OnStar® VCIM  | DTC B1004 in Computer/Integrating Systems  | ||||||||
B1007  | Unassigned  | OnStar® VCIM  | DTC B1007 in Computer/Integrating Systems  | ||||||||
B1009  | EEPROM Checksum Mismatch  | OnStar® VCIM  | DTC B1009 in Computer/Integrating Systems  | ||||||||
B1017  | Output Driver Module Performance  | BCM  | DTC B1017 or B3970 in Doors  | ||||||||
B1023  | Integral Switch Performance  | DDM, PDM  | DTC B1023 in Doors  | ||||||||
B1025  | Audio Output 1 Left Front Circuit  | Radio  | DTC B1025, B1035, B1045, or B1055 in Entertainment  | ||||||||
B1035  | Audio Output 2 Right Front Circuit  | Radio  | DTC B1025, B1035, B1045, or B1055 in Entertainment  | ||||||||
B1045  | Audio Output 3 Left Rear Circuit  | Radio  | DTC B1025, B1035, B1045, or B1055 in Entertainment  | ||||||||
B1055  | Audio Output 4 Right Rear Circuit  | Radio  | DTC B1025, B1035, B1045, or B1055 in Entertainment  | ||||||||
B1235  | Amplifier On Signal Circuit  | Radio  | DTC B1235 in Entertainment  | ||||||||
B1259  | Antenna Ground Circuit  | DRR  | DTC B1259 in Entertainment  | ||||||||
B1372  | Device Ignition 1 Circuit Low  | BCM  | DTC B1372 in Instrument Panel, Gages, and Console  | ||||||||
B1375  | Device Ignition 3 Circuit  | HVAC Control Module  | DTC B1375 in HVAC Systems - Automatic or DTC B1375 in HVAC Systems - Manual  | ||||||||
B1390  | Device Voltage Reference Input 1 Circuit  | Generator Battery Control Module  | DTC B1390 in Engine Electrical  | ||||||||
B1397  | Device Voltage Reference Output Circuit Low  | BCM  | DTC B1397 in Computer/Integrating Systems  | ||||||||
B139A  | DC/AC Converter Input Voltage Low  | SGCM  | DTC B139A, B139B, B139C, B139D, B139E, B139F, B140A, B140B, or B140C in Engine Electrical  | ||||||||
B139B  | DC/AC Converter Current Sensor Low  | SGCM  | DTC B139A, B139B, B139C, B139D, B139E, B139F, B140A, B140B, or B140C in Engine Electrical  | ||||||||
B139C  | DC/AC Converter Current Sensor High  | SGCM  | DTC B139A, B139B, B139C, B139D, B139E, B139F, B140A, B140B, or B140C in Engine Electrical  | ||||||||
B139D  | DC/AC Converter Output Current High  | SGCM  | DTC B139A, B139B, B139C, B139D, B139E, B139F, B140A, B140B, or B140C in Engine Electrical  | ||||||||
B139E  | DC/AC Converter Stuck OFF  | SGCM  | DTC B139A, B139B, B139C, B139D, B139E, B139F, B140A, B140B, or B140C in Engine Electrical  | ||||||||
B139F  | DC/AC Converter Stuck ON  | SGCM  | DTC B139A, B139B, B139C, B139D, B139E, B139F, B140A, B140B, or B140C in Engine Electrical  | ||||||||
B140A  | DC/AC Converter Output Ground Fault Performance  | SGCM  | DTC B139A, B139B, B139C, B139D, B139E, B139F, B140A, B140B, or B140C in Engine Electrical  | ||||||||
B140B  | DC/AC Converter Output Ground Fault  | SGCM  | DTC B139A, B139B, B139C, B139D, B139E, B139F, B140A, B140B, or B140C in Engine Electrical  | ||||||||
B140C  | DC/AC Converter Performance  | SGCM  | DTC B139A, B139B, B139C, B139D, B139E, B139F, B140A, B140B, or B140C in Engine Electrical  | ||||||||
B1422  | Device Power Moding Error  | HCM  | DTC B1422 in Computer/Integrating Systems  | ||||||||
B1440  | Power Mode Master Input Circuits Mismatch  | BCM  | DTC B1440 in Computer/Integrating Systems  | ||||||||
B1480  | Battery Rundown Protection Circuit  | BCM  | DTC B1480 in Lighting Systems  | ||||||||
B1487  | Generator L-Terminal Circuit Low  | Generator Battery Control Module  | DTC B1487 in Engine Electrical  | ||||||||
B1488  | Generator L-Terminal Circuit High  | Generator Battery Control Module  | DTC B1488 in Engine Electrical  | ||||||||
B1492  | Generator F-Terminal Circuit Low  | Generator Battery Control Module  | DTC B1492 in Engine Electrical  | ||||||||
B1516  | Battery Current Sensor Performance  | Generator Battery Control Module  | DTC B1516 in Engine Electrical  | ||||||||
B1544  | Mirror Motors Common Circuit  | DDM, PDM  | DTC B1544, B1600, or B1605 in Doors  | ||||||||
B1580  | Left Front Mirror Horizontal Position Sensor Circuit  | DDM, PDM  | DTC B1580, B1590, B1610, or B1620 in Doors  | ||||||||
B1590  | Left Front Mirror Vertical Position Sensor Circuit  | DDM, PDM  | DTC B1580, B1590, B1610, or B1620 in Doors  | ||||||||
B1600  | Mirror Motor Vertical Circuit  | DDM, PDM  | DTC B1544, B1600, or B1605 in Doors  | ||||||||
B1605  | Mirror Motor Horizontal Circuit  | DDM, PDM  | DTC B1544, B1600, or B1605 in Doors  | ||||||||
B1610  | Right Front Mirror Horizontal Position Sensor Circuit  | DDM, PDM  | DTC B1580, B1590, B1610, or B1620 in Doors  | ||||||||
B1620  | Right Front Mirror Vertical Position Sensor Circuit  | DDM, PDM  | DTC B1580, B1590, B1610, or B1620 in Doors  | ||||||||
B1640  | Left Front Mirror Heater Circuit  | DDM, PDM  | DTC B1640 or B1645 in Doors  | ||||||||
B1645  | Right Front Mirror Heater Circuit  | DDM, PDM  | DTC B1640 or B1645 in Doors  | ||||||||
B1722  | Mirror Power Fold Control Circuit  | DDM, PDM  | DTC B1722 in Doors  | ||||||||
B1770  | Driver Seat Motor Horizontal Circuit  | DSM  | DTC B1770, B1775, B1780, B1785, B1790, B1805, or B2415 in Seats  | ||||||||
B1775  | Driver Seat Motor Front Vertical Circuit  | DSM  | DTC B1770, B1775, B1780, B1785, B1790, B1805, or B2415 in Seats  | ||||||||
B1780  | Driver Seat Motor Rear Vertical Circuit  | DSM  | DTC B1770, B1775, B1780, B1785, B1790, B1805, or B2415 in Seats  | ||||||||
B1785  | Driver Seat Motor Recline Circuit  | DSM  | DTC B1770, B1775, B1780, B1785, B1790, B1805, or B2415 in Seats  | ||||||||
B1790  | Driver Seat Motor Lumbar Circuit  | DSM  | DTC B1770, B1775, B1780, B1785, B1790, B1805, or B2415 in Seats  | ||||||||
B1805  | Driver Seat Motor Side Bolster Circuit  | DSM  | DTC B1770, B1775, B1780, B1785, B1790, B1805, or B2415 in Seats  | ||||||||
B1825  | Driver Seat Recline Position Sensor Circuit  | DSM  | DTC B1825 in Seats  | ||||||||
B1850  | Driver Seat Lumbar Position Sensor Circuit  | DSM  | |||||||||
B1960  | Driver Seat Side Bolster Position Sensor Circuit  | DSM  | |||||||||
B2355  | Driver Seat Front Vertical Position Sensor Circuit  | DSM  | |||||||||
B2365  | Driver Seat Rear Vertical Position Sensor Circuit  | DSM  | |||||||||
B2375  | Driver Seat Horizontal Position Sensor Circuit  | DSM  | |||||||||
B2425  | Driver Seat Heater Circuit  | DSM  | DTC B2425 or B2430 in Seats  | ||||||||
B2430  | Passenger Seat Heater Circuit  | DSM  | DTC B2425 or B2430 in Seats  | ||||||||
B2435  | Driver Seat Back Heater Sensor Circuit  | DSM  | DTC B2435 or B2440 in Seats  | ||||||||
B2440  | Passenger Seat Back Heater Sensor Circuit  | DSM  | DTC B2435 or B2440 in Seats  | ||||||||
B2455  | Cellular Phone Microphone Circuit Malfunction  | OnStar® VCIM  | DTC B2455 in Cellular Communication  | ||||||||
B2470  | Cellular Phone Antenna Circuit Malfunction  | OnStar® VCIM  | DTC B2470 in Cellular Communication  | ||||||||
B2476  | Cellular Phone Select Service Switch Malfunction  | OnStar® VCIM  | DTC B2476 in Cellular Communication  | ||||||||
B2482  | Cellular Phone Select Switch Range/Performance  | OnStar® VCIM  | DTC B2482 in Cellular Communication  | ||||||||
B2483  | GPS Sensor Circuit Low  | OnStar® VCIM  | DTC B2483 or B2484 in Cellular Communication  | ||||||||
B2484  | GPS Sensor Circuit Open  | OnStar® VCIM  | DTC B2483 or B2484 in Cellular Communication  | ||||||||
B2527  | Front Foglamps Circuit Low  | BCM  | DTC B2527 in Lighting Systems  | ||||||||
B2537  | Rear Foglamps Circuit Low  | BCM  | DTC B2537 in Lighting Systems  | ||||||||
B2550  | Backup Lamps Control Circuit  | BCM  | DTC B2550 in Lighting Systems  | ||||||||
B2575  | Headlamp Control Circuit  | BCM  | DTC B2575 in Lighting Systems  | ||||||||
B2580  | Headlamp High Beam Control Circuit  | BCM  | DTC B2580 in Lighting Systems  | ||||||||
B2585  | Park Lamp Control Circuit  | BCM  | DTC B2585 in Lighting Systems  | ||||||||
B2600  | Daytime Running Lamp Control Circuit  | BCM  | DTC B2600 in Lighting Systems  | ||||||||
B2610  | Passenger Compartment Dimming 1 Circuit  | BCM  | DTC B2610 in Lighting Systems  | ||||||||
B2615  | Passenger Compartment Dimming 2 Circuit  | BCM  | DTC B2615 in Lighting Systems  | ||||||||
B2620  | Display Dimming Pulse Width Modulation (PWM) Input Circuit  | BCM  | DTC B2620 in Lighting Systems  | ||||||||
B2625  | Display Dimming Pulse Width Modulation (PWM) Output Circuit  | BCM  | DTC B2625 in Lighting Systems  | ||||||||
B2645  | Ambient Light Sensor Circuit  | BCM  | DTC B2645 in Lighting Systems  | ||||||||
B2725  | Active Transfer Case (ATC) Mode Switch Circuit Malfunction  | ATC  | DTC B2725 in Transfer Case - NVG 246-NP8 or DTC B2725 in Transfer Case - NVG 263-NP1  | ||||||||
B2752  | Horn Relay Coil Circuit Low  | BCM  | DTC B2752 in Horns  | ||||||||
B2815  | Steering Wheel Controls Illegal Resistance Value  | BCM  | DTC B2815 in Entertainment  | ||||||||
B2947  | Security System Sensor Power Circuit Low  | BCM  | DTC B2947 in Theft Deterrent  | ||||||||
B2948  | Security System Sensor Power Circuit High  | BCM  | DTC B2948 in Theft Deterrent  | ||||||||
B2957  | Security System Sensor Data Circuit Low  | BCM  | DTC B2957 in Theft Deterrent  | ||||||||
B2958  | Security System Sensor Data Circuit High  | BCM  | DTC B2958 in Theft Deterrent  | ||||||||
B2960  | Security System Sensor Data Incorrect but Valid  | BCM  | DTC B2960 in Theft Deterrent  | ||||||||
B2961  | Key in Ignition Circuit  | BCM  | DTC B2961 in Instrument Panel, Gages, and Console  | ||||||||
B3006  | Hood Ajar Circuit  | BCM  | DTC B3006 in Engine Electrical  | ||||||||
B3008  | Hood Ajar Circuit Low  | BCM  | DTC B3008 in Engine Electrical  | ||||||||
B3009  | Hood Ajar Circuit High  | BCM  | DTC B3009 in Engine Electrical  | ||||||||
B3031  | Security System Controller in Learn Mode  | BCM  | DTC B3031 in Theft Deterrent  | ||||||||
B3033  | Security System Indicates Tamper  | BCM  | DTC B3033 in Theft Deterrent  | ||||||||
B3593  | Steering System Mode Switch Circuit  | RWSCM  | DTC B3593 in Rear Wheel Steering  | ||||||||
B3654  | Electrical Power Take Off Control Switch Circuit  | HCM  | DTC B3654, B3655 or B3656 in Power Outlets  | ||||||||
B3655  | Electrical Power Take Off Control Switch Circuit Low  | HCM  | DTC B3654, B3655 or B3656 in Power Outlets  | ||||||||
B3656  | Electrical Power Take Off Control Switch Circuit High  | HCM  | DTC B3654, B3655 or B3656 in Power Outlets  | ||||||||
B3770  | Air Flow Control 6 Feedback Circuit  | HVAC Control Module  | DTC B0229, B0414, B0424, or B3770 in HVAC Systems - Automatic or DTC B0414, B0424, or B3770 in HVAC Systems - Manual  | ||||||||
B3801  | Passenger Compartment Lamp Request Circuit  | BCM  | DTC B3801 in Lighting Systems  | ||||||||
B3802  | Parklamp Request Circuit  | BCM  | DTC B3802 in Lighting Systems  | ||||||||
B3808  | Rear Door Lock Relay Circuit  | BCM  | DTC B3808 in Doors  | ||||||||
B3809  | Rear Door Unlock Relay Circuit  | BCM  | DTC B3809 in Doors  | ||||||||
B3819  | Left Rear Window Up Control Circuit  | BCM  | DTC B3819 in Doors  | ||||||||
B3820  | Left Rear Window Down Control Circuit  | BCM  | DTC B3820 in Doors  | ||||||||
B3821  | Left Rear Window Relay Power Circuit  | BCM  | DTC B3821 in Doors  | ||||||||
B3822  | Right Rear Window Up Control Circuit  | BCM  | DTC B3822 in Doors  | ||||||||
B3823  | Right Rear Window Down Control Circuit  | BCM  | DTC B3823 in Doors  | ||||||||
B3824  | Right Rear Window Relay Power Circuit  | BCM  | DTC B3824 in Doors  | ||||||||
B3844  | Engine Coolant Circulation Pump Circuit  | HCM  | DTC B3844 in Engine Cooling  | ||||||||
B3941  | Front Seat Heaters Circuit  | DSM  | DTC B3941 in Seats  | ||||||||
B3962  | Seat Motors Overcurrent  | DSM  | DTC B3962 in Seats  | ||||||||
C0000  | Vehicle Speed Information Circuit  | RWSCM  | DTC C0000 in Rear Wheel Steering  | ||||||||
C0035  | Left Front Wheel Speed Sensor Circuit  | EBCM  | DTC C0035 or C0040 in Antilock Brake System  | ||||||||
C0040  | Right Front Wheel Speed Sensor Circuit  | EBCM  | DTC C0035 or C0040 in Antilock Brake System  | ||||||||
C0055  | Rear Wheel Speed Sensor Circuit  | EBCM  | DTC C0055 in Antilock Brake System  | ||||||||
C0110  | Pump Motor Circuit  | EBCM  | DTC C0110 in Antilock Brake System  | ||||||||
C0136  | Base Brake System Pressure Circuit  | EBCM  | DTC C0136 in Hydraulic Brakes  | ||||||||
C0161  | Antilock Brake System (ABS)/Traction Control System (TCS) Brake Switch  | EBCM  | DTC C0161 in Antilock Brake System  | ||||||||
C0201  | Antilock Brake System (ABS) Enable Relay Contact Circuit  | EBCM  | DTC C0201 in Antilock Brake System  | ||||||||
C0221  | Right Front Wheel Speed Sensor Circuit Open  | EBCM  | DTC C0221-C0227 or C021 in Antilock Brake System  | ||||||||
C0222  | Right Front Wheel Speed Signal Missing  | EBCM  | DTC C0221-C0227 or C021 in Antilock Brake System  | ||||||||
C0223  | Right Front Wheel Speed Signal Erratic  | EBCM  | DTC C0221-C0227 or C021 in Antilock Brake System  | ||||||||
C0225  | Left Front Wheel Speed Sensor Circuit Open  | EBCM  | DTC C0221-C0227 or C021 in Antilock Brake System  | ||||||||
C0226  | Left Front Wheel Speed Signal Missing  | EBCM  | DTC C0221-C0227 or C021 in Antilock Brake System  | ||||||||
C0227  | Left Front Wheel Speed Signal Erratic  | EBCM  | DTC C0221-C0227 or C021 in Antilock Brake System  | ||||||||
C0228  | Left Front Antilock Brake System (ABS) Channel in Release Too Long  | EBCM  | DTC C0228 in Antilock Brake System  | ||||||||
C0229  | Drop Out of Both Front Speed Sensors  | EBCM  | DTC C0229 or C029 in Antilock Brake System  | ||||||||
C0235  | Rear Wheel Speed Signal Circuit Open  | EBCM  | DTC C0235-C0237 or P0609 in Antilock Brake System  | ||||||||
C0236  | Rear Wheel Speed Signal Circuit Missing  | EBCM  | DTC C0235-C0237 or P0609 in Antilock Brake System  | ||||||||
C0237  | Rear Wheel Speed Signal Circuit Erratic  | EBCM  | DTC C0235-C0237 or P0609 in Antilock Brake System  | ||||||||
C0238  | Wheel Speed Mismatch  | EBCM  | DTC C0238 or C038 in Antilock Brake System  | ||||||||
C0240  | EBCM Malfunction  | EBCM  | DTC C0240 in Antilock Brake System  | ||||||||
C0241  | EBCM Control Valve Circuit  | EBCM  | DTC C0241-C0254 or C041-C054 in Antilock Brake System  | ||||||||
C0242  | EBCM Control Valve Circuit  | EBCM  | DTC C0241-C0254 or C041-C054 in Antilock Brake System  | ||||||||
C0243  | EBCM Control Valve Circuit  | EBCM  | DTC C0241-C0254 or C041-C054 in Antilock Brake System  | ||||||||
C0244  | EBCM Control Valve Circuit  | EBCM  | DTC C0241-C0254 or C041-C054 in Antilock Brake System  | ||||||||
C0245  | 
 
  | EBCM  | DTC C0241-C0254 or C041-C054 in Antilock Brake System  | ||||||||
C0246  | EBCM Control Valve Circuit  | EBCM  | DTC C0241-C0254 or C041-C054 in Antilock Brake System  | ||||||||
C0247  | EBCM Control Valve Circuit  | EBCM  | DTC C0241-C0254 or C041-C054 in Antilock Brake System  | ||||||||
C0248  | EBCM Control Valve Circuit  | EBCM  | DTC C0241-C0254 or C041-C054 in Antilock Brake System  | ||||||||
C0251  | EBCM Control Valve Circuit  | EBCM  | DTC C0241-C0254 or C041-C054 in Antilock Brake System  | ||||||||
C0252  | EBCM Control Valve Circuit  | EBCM  | DTC C0241-C0254 or C041-C054 in Antilock Brake System  | ||||||||
C0253  | EBCM Control Valve Circuit  | EBCM  | DTC C0241-C0254 or C041-C054 in Antilock Brake System  | ||||||||
Centering Error  | RWSCM  | DTC C0253 in Rear Wheel Steering  | |||||||||
C0254  | EBCM Control Valve Circuit  | EBCM  | DTC C0241-C0254 or C041-C054 in Antilock Brake System  | ||||||||
C0265  | EBCM Motor Relay Circuit  | EBCM  | DTC C0265 or C0266 and C065 or C066 in Antilock Brake System  | ||||||||
C0266  | EBCM Motor Relay Circuit  | EBCM  | DTC C0265 or C0266 and C065 or C066 in Antilock Brake System  | ||||||||
C0267  | Pump Motor Circuit Open  | EBCM  | DTC C0267 or C0268 and C067 or C068 in Antilock Brake System  | ||||||||
C0268  | Pump Motor Circuit Shorted  | EBCM  | DTC C0267 or C0268 and C067 or C068 in Antilock Brake System  | ||||||||
C0269  | Excessive Dump Time  | EBCM  | DTC C0269 or C0274 and C069 or C074 in Antilock Brake System  | ||||||||
C0271  | EBCM Malfunction  | EBCM  | DTC C0271-C0273, C0284 in Antilock Brake System  | ||||||||
C0272  | EBCM Malfunction  | EBCM  | DTC C0271-C0273, C0284 in Antilock Brake System  | ||||||||
C0273  | EBCM Malfunction  | EBCM  | DTC C0271-C0273, C0284 in Antilock Brake System  | ||||||||
C0274  | Excessive Isolation Time  | EBCM  | DTC C0269 or C0274 and C069 or C074 in Antilock Brake System  | ||||||||
C0277  | Brake Pedal Position Sensor Circuit  | EHPS  | DTC C0277 in Power Steering System  | ||||||||
C0278  | Brake Pedal Position Sensor Not Calibrated  | EHPS  | DTC C0278 in Power Steering System  | ||||||||
C0279  | Powertrain Configuration not Valid  | EBCM  | DTC C0279 in Antilock Brake System  | ||||||||
C0281  | Stoplamp Switch Circuit  | EBCM  | DTC C0281 or C081 in Antilock Brake System  | ||||||||
C0282  | Brake Pedal Position Sensor Circuit Range/Performance  | EHPS  | DTC C0282 in Power Steering System  | ||||||||
C0283  | Brake Pedal Position Sensor Circuit Low  | EHPS  | DTC C0283 in Power Steering System  | ||||||||
Mode Switch Circuit Malfunction  | EBCM  | DTC C0283 in Antilock Brake System  | |||||||||
C0284  | Brake Pedal Position Sensor Circuit High  | EHPS  | DTC C0284 in Power Steering System  | ||||||||
EBCM Malfunction  | EBCM  | DTC C0271-C0273, C0284 in Antilock Brake System  | |||||||||
C0287  | Delivered Torque Signal Malfunction  | EBCM  | DTC C0287, P1644, or P1689 in Antilock Brake System  | ||||||||
C0290  | Class 2 Data Link Malfunction  | EBCM  | DTC C0290 or C0292 in Antilock Brake System  | ||||||||
C0291  | Body Control Module (BCM) Configuration not Valid  | EBCM  | DTC C0291 in Antilock Brake System  | ||||||||
C0292  | Lost Communications with Engine Control System  | EBCM  | DTC C0290 or C0292 in Antilock Brake System  | ||||||||
C0294  | Brake Switch and Brake Pedal Position Sensor Correlation  | EHPS  | DTC C0294 in Power Steering System  | ||||||||
C0297  | Powertrain Configuration Data not Received  | EBCM  | DTC C0297 in Antilock Brake System  | ||||||||
C0298  | Powertrain Control Malfunction  | EBCM  | DTC C0298 or P0856 in Antilock Brake System  | ||||||||
C0300  | Rear Propshaft Speed Sensor Malfunction  | ATC  | DTC C0300 in Transfer Case - NVG 246-NP8  | ||||||||
C0305  | Front Propshaft Speed Sensor Malfunction  | ATC  | DTC C0305 in Transfer Case - NVG 246-NP8  | ||||||||
C0306  | Motor A or B Circuit Malfunction  | ATC  | DTC C0306 in Transfer Case - NVG 246-NP8 or DTC C0306 in Transfer Case - NVG 263-NP1  | ||||||||
C0321  | Transfer Case Lock Circuit Malfunction  | ATC  | DTC C0321 in Transfer Case - NVG 246-NP8  | ||||||||
C0327  | Encoder Circuit Malfunction  | ATC  | DTC C0327 in Transfer Case - NVG 246-NP8 or DTC C0327 in Transfer Case - NVG 263-NP1  | ||||||||
C0359  | Four Wheel Drive Low Range (4WD low) Discrete Output Circuit Malfunction  | ATC  | DTC C0359 in Transfer Case - NVG 246-NP8 or DTC C0359 in Transfer Case - NVG 263-NP1  | ||||||||
C0374  | General System Malfunction  | ATC  | DTC C0374 in Transfer Case - NVG 246-NP8  | ||||||||
C0379  | Front Axle System Malfunction  | ATC  | DTC C0379 in Transfer Case - NVG 246-NP8 or DTC C0379 in Transfer Case - NVG 263-NP1  | ||||||||
C0448  | Electric Hydraulic Steering Pump Enable Circuit  | EHPS  | DTC C0448 in Power Steering System  | ||||||||
C0455  | Front Steering Position Sensor Circuit  | RWSCM  | DTC C0455 in Rear Wheel Steering  | ||||||||
C0472  | Steering Position and Rate of Change Sensor Circuit Low  | RWSCM  | DTC C0472 or C0473 in Rear Wheel Steering  | ||||||||
C0473  | Steering Position and Rate of Change Sensor Circuit High  | RWSCM  | DTC C0472 or C0473 in Rear Wheel Steering  | ||||||||
C0481  | Electric Hydraulic Steering Motor Circuit Range/Performance  | EHPS  | DTC C0481 in Power Steering System  | ||||||||
C0485  | Electric Hydraulic Steering Temperature Sensor Circuit  | EHPS  | DTC C0485 in Power Steering System  | ||||||||
C0511  | Steering Position and Rate of Change Sensor Circuit  | EHPS  | DTC C0511 in Power Steering System  | ||||||||
C0522  | Rear Steering Position Sensor Circuit  | RWSCM  | DTC C0522 in Rear Wheel Steering  | ||||||||
C0527  | Rear Steering Motor Position Sensor Circuit  | RWSCM  | DTC C0527 in Rear Wheel Steering  | ||||||||
C0532  | Rear Steering Position and Motor Position Sensors Uncorrelated  | RWSCM  | DTC C0532 in Rear Wheel Steering  | ||||||||
C0533  | Rear Steering Motor Relay Circuit  | RWSCM  | DTC C0533 in Rear Wheel Steering  | ||||||||
C0538  | Rear Steering Motor Circuit  | RWSCM  | DTC C0538 in Rear Wheel Steering  | ||||||||
C0543  | Rear Steering Motor Position Error  | RWSCM  | DTC C0543 in Rear Wheel Steering  | ||||||||
C0544  | Steering Position Sensor Data Error  | EHPS  | DTC C0544 in Power Steering System  | ||||||||
C0550  | Electronic Control Unit (ECU) Performance  | ATC  | DTC C0550 in Transfer Case - NVG 246-NP8 or DTC C0550 in Transfer Case - NVG 263-NP1  | ||||||||
EBCM  | DTC C0550 in Antilock Brake Systems  | ||||||||||
EHPS  | DTC C0550 in Power Steering System  | ||||||||||
RWSCM  | DTC C0550 in Rear Wheel Steering  | ||||||||||
C0558  | Calibration Data Not Programmed  | EBCM  | DTC C0558 in Antilock Brake System  | ||||||||
C0564  | Program Read Only Memory (ROM) Checksum Error  | EHPS  | DTC C0564 in Power Steering System  | ||||||||
C0870  | Device Voltage Reference Output Circuit  | EHPS  | DTC C0870 in Power Steering System  | ||||||||
C0895  | Device Voltage  | EHPS  | DTC C0895 in Power Steering System  | ||||||||
P0016  | Crankshaft Position (CKP)-Camshaft Position (CMP) Correlation  | ECM, PCM  | DTC P0016 in Engine Controls - 4.3L or DTC P0016 in Engine Controls - 6.6L (LLY)  | ||||||||
P0045  | Turbocharger Vane Position Control Solenoid Control Circuit  | ECM  | DTC P0045 in Engine Controls - 6.6L (LLY)  | ||||||||
P0046  | Turbocharger Vane Control Position Performance  | ECM  | DTC P0046 in Engine Controls - 6.6L (LLY)  | ||||||||
P0053  | HO2S Heater Resistance Bank 1 Sensor 1  | PCM  | 
 
 
  | ||||||||
P0054  | HO2S Heater Resistance Bank 1 Sensor 2  | PCM  | 
 
 
  | ||||||||
P0059  | HO2S Heater Resistance Bank 2 Sensor 1  | PCM  | 
 
 
  | ||||||||
P0060  | HO2S Heater Resistance Bank 2 Sensor 2  | PCM  | 
 
 
  | ||||||||
P0068  | Throttle Body Airflow Performance  | PCM  | DTC P0068 in Engine Controls - 4.8L, 5.3L, and 6.0L or DTC P0068 in Engine Controls - 8.1L  | ||||||||
P0087  | Fuel Rail Pressure (FRP) Too Low  | ECM  | DTC P0087 in Engine Controls - 6.6L (LLY)  | ||||||||
P0088  | Fuel Rail Pressure (FRP) Too High  | ECM  | DTC P0088 in Engine Controls - 6.6L (LLY)  | ||||||||
P0089  | Fuel Pressure Regulator Performance  | ECM  | DTC P0089 in Engine Controls - 6.6L (LLY)  | ||||||||
P0090  | Fuel Pressure Regulator Control Circuit  | ECM  | DTC P0090 in Engine Controls - 6.6L (LLY)  | ||||||||
P0101  | Mass Air Flow (MAF) Sensor Performance  | ECM, PCM  | 
 
 
 
  | ||||||||
P0102  | Mass Air Flow (MAF) Sensor Circuit Low Voltage  | ECM  | DTC P0102 in Engine Controls - 6.6L (LLY)  | ||||||||
Mass Air Flow (MAF) Sensor Circuit Low Frequency  | PCM  | 
 
 
  | |||||||||
P0103  | Mass Air Flow (MAF) Sensor Circuit High Voltage  | ECM  | DTC P0103 in Engine Controls - 6.6L (LLY)  | ||||||||
Mass Air Flow (MAF) Sensor Circuit High Frequency  | PCM  | 
 
 
  | |||||||||
P0106  | Manifold Absolute Pressure (MAP) Sensor Performance  | PCM  | 
 
 
  | ||||||||
P0107  | Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage  | PCM  | 
 
 
  | ||||||||
P0108  | Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage  | PCM  | 
 
 
  | ||||||||
P0112  | Intake Air Temperature (IAT) Sensor Circuit Low Voltage  | ECM, PCM  | 
 
 
 
  | ||||||||
P0113  | Intake Air Temperature (IAT) Sensor Circuit High Voltage  | ECM, PCM  | 
 
 
 
  | ||||||||
P0116  | Engine Coolant Temperature (ECT) Sensor Performance  | ECM, PCM  | 
 
 
 
  | ||||||||
P0117  | Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage  | ECM, PCM  | 
 
 
 
  | ||||||||
P0118  | Engine Coolant Temperature (ECT) Sensor Circuit High Voltage  | ECM, PCM  | 
 
 
 
  | ||||||||
P0120  | Throttle Position (TP) Sensor 1 Circuit  | PCM  | DTC P0120 in Engine Controls - 4.8L, 5.3L, and 6.0L or DTC P0120 in Engine Controls - 8.1L  | ||||||||
P0121  | Throttle Position (TP) Sensor Performance  | PCM  | DTC P0121 in Engine Controls - 4.3L  | ||||||||
P0122  | Throttle Position (TP) Sensor Circuit Low Voltage  | PCM  | DTC P0122 in Engine Controls - 4.3L  | ||||||||
P0123  | Throttle Position (TP) Sensor Circuit High Voltage  | PCM  | DTC P0123 in Engine Controls - 4.3L  | ||||||||
P0128  | Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature  | ECM, PCM  | 
 
 
 
  | ||||||||
P0131  | HO2S Circuit Low Voltage Bank 1 Sensor 1  | PCM  | 
 
 
  | ||||||||
P0132  | HO2S Circuit High Voltage Bank 1 Sensor 1  | PCM  | 
 
 
  | ||||||||
P0133  | HO2S Slow Response Bank 1 Sensor 1  | PCM  | 
 
 
  | ||||||||
P0134  | HO2S Circuit Insufficient Activity Bank 1 Sensor 1  | PCM  | 
 
 
  | ||||||||
P0135  | HO2S Heater Performance Bank 1 Sensor 1  | PCM  | 
 
 
  | ||||||||
P0137  | HO2S Circuit Low Voltage Bank 1 Sensor 2  | PCM  | 
 
 
  | ||||||||
P0138  | HO2S Circuit High Voltage Bank 1 Sensor 2  | PCM  | 
 
 
  | ||||||||
P0140  | HO2S Circuit Insufficient Activity Bank 1 Sensor 2  | PCM  | 
 
 
  | ||||||||
P0141  | HO2S Heater Performance Bank 1 Sensor 2  | PCM  | 
 
 
  | ||||||||
P0151  | HO2S Circuit Low Voltage Bank 2 Sensor 1  | PCM  | 
 
 
  | ||||||||
P0152  | HO2S Circuit High Voltage Bank 2 Sensor 1  | PCM  | 
 
 
  | ||||||||
P0153  | HO2S Slow Response Bank 2 Sensor 1  | PCM  | 
 
 
  | ||||||||
P0154  | HO2S Circuit Insufficient Activity Bank 2 Sensor 1  | PCM  | 
 
 
  | ||||||||
P0155  | HO2S Heater Performance Bank 2 Sensor 1  | PCM  | 
 
 
  | ||||||||
P0157  | HO2S Circuit Low Voltage Bank 2 Sensor 2  | PCM  | 
 
 
  | ||||||||
P0158  | HO2S Circuit High Voltage Bank 2 Sensor 2  | PCM  | 
 
 
  | ||||||||
P0160  | HO2S Circuit Insufficient Activity Bank 2 Sensor 2  | PCM  | 
 
 
  | ||||||||
P0161  | HO2S Heater Performance Bank 2 Sensor 2  | PCM  | 
 
 
  | ||||||||
P0168  | Engine Fuel Overtemperature  | ECM  | DTC P0168 in Engine Controls - 6.6L (LLY)  | ||||||||
P0169  | Incorrect Fuel Composition  | PCM  | DTC P0169 in Engine Controls - 4.8L, 5.3L, and 6.0L  | ||||||||
P0171  | Fuel Trim System Lean Bank 1  | PCM  | 
 
 
  | ||||||||
P0172  | Fuel Trim System Rich Bank 1  | PCM  | 
 
 
  | ||||||||
P0174  | Fuel Trim System Lean Bank 2  | PCM  | 
 
 
  | ||||||||
P0175  | Fuel Trim System Rich Bank 2  | PCM  | 
 
 
  | ||||||||
P0178  | Fuel Composition Sensor Circuit Low Frequency  | PCM  | DTC P0178 in Engine Controls - 4.8L, 5.3L, and 6.0L  | ||||||||
P0179  | Fuel Composition Sensor Circuit High Frequency  | PCM  | DTC P0179 in Engine Controls - 4.8L, 5.3L, and 6.0L  | ||||||||
P0181  | Fuel Temperature Sensor Performance  | ECM  | DTC P0181 in Engine Controls - 6.6L (LLY)  | ||||||||
P0182  | Fuel Temperature Sensor Circuit Low Voltage  | ECM  | DTC P0182 in Engine Controls - 6.6L (LLY)  | ||||||||
P0183  | Fuel Temperature Sensor Circuit High Voltage  | ECM  | DTC P0183 in Engine Controls - 6.6L (LLY)  | ||||||||
P0192  | Fuel Rail Pressure (FRP) Sensor Circuit Low Voltage  | ECM  | DTC P0192 in Engine Controls - 6.6L (LLY)  | ||||||||
P0193  | Fuel Rail Pressure (FRP) Sensor Circuit High Voltage  | ECM  | DTC P0193 in Engine Controls - 6.6L (LLY)  | ||||||||
P0200  | Injector Control Circuit  | PCM  | 
 
 
  | ||||||||
P0201  | Injector 1 Drive Fault  | ECM  | DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 in Engine Controls - 6.6L (LLY)  | ||||||||
P0202  | Injector 2 Drive Fault  | ECM  | DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 in Engine Controls - 6.6L (LLY)  | ||||||||
P0203  | Injector 3 Drive Fault  | ECM  | DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 in Engine Controls - 6.6L (LLY)  | ||||||||
P0204  | Injector 4 Drive Fault  | ECM  | DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 in Engine Controls - 6.6L (LLY)  | ||||||||
P0205  | Injector 5 Drive Fault  | ECM  | DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 in Engine Controls - 6.6L (LLY)  | ||||||||
P0206  | Injector 6 Drive Fault  | ECM  | DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 in Engine Controls - 6.6L (LLY)  | ||||||||
P0207  | Injector 7 Drive Fault  | ECM  | DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 in Engine Controls - 6.6L (LLY)  | ||||||||
P0208  | Injector 8 Drive Fault  | ECM  | DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 in Engine Controls - 6.6L (LLY)  | ||||||||
P0218  | Transmission Fluid Over Temperature  | PCM  | 
 
 
  | ||||||||
P0220  | Throttle Position (TP) Sensor 2 Circuit  | PCM  | DTC P0220 in Engine Controls - 4.8L, 5.3L, and 6.0L or DTC P0220 in Engine Controls - 8.1L  | ||||||||
P0230  | Fuel Pump Relay Control Circuit  | PCM  | 
 
 
  | ||||||||
P0234  | Turbocharger Engine Overboost  | ECM  | DTC P0234 in Engine Controls - 6.6L (LLY)  | ||||||||
P0237  | Turbocharger Boost Sensor Circuit Low Voltage  | ECM  | DTC P0237 in Engine Controls - 6.6L (LLY)  | ||||||||
P0238  | Turbocharger Boost Sensor Circuit High Voltage  | ECM  | DTC P0238 in Engine Controls - 6.6L (LLY)  | ||||||||
P0299  | Turbocharger Engine Underboost  | ECM  | DTC P0299 in Engine Controls - 6.6L (LLY)  | ||||||||
P0300  | Engine Misfire Detected  | ECM, PCM  | 
 
 
 
  | ||||||||
P0301  | Cylinder 1 Misfire Detected  | ECM  | DTC P0301-P0308 in Engine Controls - 6.6L (LLY)  | ||||||||
P0302  | Cylinder 2 Misfire Detected  | ECM  | DTC P0301-P0308 in Engine Controls - 6.6L (LLY)  | ||||||||
P0303  | Cylinder 3 Misfire Detected  | ECM  | DTC P0301-P0308 in Engine Controls - 6.6L (LLY)  | ||||||||
P0304  | Cylinder 4 Misfire Detected  | ECM  | DTC P0301-P0308 in Engine Controls - 6.6L (LLY)  | ||||||||
P0305  | Cylinder 5 Misfire Detected  | ECM  | DTC P0301-P0308 in Engine Controls - 6.6L (LLY)  | ||||||||
P0306  | Cylinder 6 Misfire Detected  | ECM  | DTC P0301-P0308 in Engine Controls - 6.6L (LLY)  | ||||||||
P0307  | Cylinder 7 Misfire Detected  | ECM  | DTC P0301-P0308 in Engine Controls - 6.6L (LLY)  | ||||||||
P0308  | Cylinder 8 Misfire Detected  | ECM  | DTC P0301-P0308 in Engine Controls - 6.6L (LLY)  | ||||||||
P0315  | Crankshaft Position (CKP) System Variation Not Learned  | PCM  | 
 
 
  | ||||||||
P0325  | Knock Sensor (KS) Circuit  | PCM  | 
 
 
  | ||||||||
P0327  | Knock Sensor (KS) 1 Circuit Low Frequency  | PCM  | 
 
 
  | ||||||||
P0332  | Knock Sensor (KS) 2 Circuit Low Frequency  | PCM  | DTC P0327 or P0332 in Engine Controls - 4.8L, 5.3L, and 6.0L or DTC P0327 or P0332 in Engine Controls - 8.1L  | ||||||||
P0335  | Crankshaft Position (CKP) Sensor Circuit  | ECM, PCM  | 
 
 
 
  | ||||||||
P0336  | Crankshaft Position (CKP) Sensor Performance  | ECM, PCM  | 
 
 
  | ||||||||
Crankshaft Position (CKP) Sensor Circuit  | PCM  | DTC P0336 in Engine Controls - 8.1L  | |||||||||
P0340  | Camshaft Position (CMP) Sensor Circuit  | ECM  | DTC P0340 in Engine Controls - 6.6L (LLY)  | ||||||||
P0341  | Camshaft Position (CMP) Sensor Performance  | ECM, PCM  | 
 
 
 
  | ||||||||
P0342  | Camshaft Position (CMP) Sensor Circuit Low Voltage  | PCM  | DTC P0342 in Engine Controls - 4.8L, 5.3L, and 6.0L or DTC P0342 in Engine Controls - 8.1L  | ||||||||
P0343  | Camshaft Position (CMP) Sensor Circuit High Voltage  | PCM  | DTC P0343 in Engine Controls - 4.8L, 5.3L, and 6.0L or DTC P0343 in Engine Controls - 8.1L  | ||||||||
P0351  | Ignition Coil 1 Control Circuit  | PCM  | 
 
 
  | ||||||||
P0352  | Ignition Coil 2 Control Circuit  | PCM  | DTC P0351-P0358 in Engine Controls - 4.8L, 5.3L, and 6.0L or DTC P0351-P0358 in Engine Controls - 8.1L  | ||||||||
P0353  | Ignition Coil 3 Control Circuit  | PCM  | DTC P0351-P0358 in Engine Controls - 4.8L, 5.3L, and 6.0L or DTC P0351-P0358 in Engine Controls - 8.1L  | ||||||||
P0354  | Ignition Coil 4 Control Circuit  | PCM  | DTC P0351-P0358 in Engine Controls - 4.8L, 5.3L, and 6.0L or DTC P0351-P0358 in Engine Controls - 8.1L  | ||||||||
P0355  | Ignition Coil 5 Control Circuit  | PCM  | DTC P0351-P0358 in Engine Controls - 4.8L, 5.3L, and 6.0L or DTC P0351-P0358 in Engine Controls - 8.1L  | ||||||||
P0356  | Ignition Coil 6 Control Circuit  | PCM  | DTC P0351-P0358 in Engine Controls - 4.8L, 5.3L, and 6.0L or DTC P0351-P0358 in Engine Controls - 8.1L  | ||||||||
P0357  | Ignition Coil 7 Control Circuit  | PCM  | DTC P0351-P0358 in Engine Controls - 4.8L, 5.3L, and 6.0L or DTC P0351-P0358 in Engine Controls - 8.1L  | ||||||||
P0358  | Ignition Coil 8 Control Circuit  | PCM  | DTC P0351-P0358 in Engine Controls - 4.8L, 5.3L, and 6.0L or DTC P0351-P0358 in Engine Controls - 8.1L  | ||||||||
P0370  | High Resolution Circuit  | ECM  | DTC P0370 or P0374 in Engine Controls - 6.6L (LLY)  | ||||||||
P0374  | High Resolution System Performance  | ECM  | DTC P0370 or P0374 in Engine Controls - 6.6L (LLY)  | ||||||||
P0381  | Wait to Start Lamp Control Circuit  | PCM  | DTC P0381 in Instrument Panel, Gages, and Console  | ||||||||
P0401  | Exhaust Gas Recirculation (EGR) Flow Insufficient  | ECM  | DTC P0401 in Engine Controls - 6.6L (LLY)  | ||||||||
P0403  | Exhaust Gas Recirculation (EGR) Solenoid Control Circuit  | ECM  | DTC P0403 in Engine Controls - 6.6L (LLY)  | ||||||||
P0404  | Exhaust Gas Recirculation (EGR) Open Position Performance  | ECM  | DTC P0404 in Engine Controls - 6.6L (LLY)  | ||||||||
P0405  | Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage  | ECM  | DTC P0405 in Engine Controls - 6.6L (LLY)  | ||||||||
P0406  | Exhaust Gas Recirculation (EGR) Position Sensor Circuit High Voltage  | ECM  | DTC P0406 in Engine Controls - 6.6L (LLY)  | ||||||||
P0420  | Catalyst System Low Efficiency Bank 1  | PCM  | 
 
 
  | ||||||||
P0430  | Catalyst System Low Efficiency Bank 2  | PCM  | 
 
 
  | ||||||||
P0442  | Evaporative Emission (EVAP) System Small Leak Detected  | PCM  | 
 
 
  | ||||||||
P0443  | Evaporative Emission (EVAP) Purge Solenoid Control Circuit  | PCM  | 
 
 
  | ||||||||
P0446  | Evaporative Emission (EVAP) Vent System Performance  | PCM  | 
 
 
  | ||||||||
P0449  | Evaporative Emission (EVAP) Vent Solenoid Control Circuit  | PCM  | 
 
 
  | ||||||||
P0451  | Fuel Tank Pressure (FTP) Sensor Performance  | PCM  | 
 
 
  | ||||||||
P0452  | Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage  | PCM  | 
 
 
  | ||||||||
P0453  | Fuel Tank Pressure (FTP) Sensor Circuit High Voltage  | PCM  | 
 
 
  | ||||||||
P0454  | Fuel Tank Pressure (FTP) Sensor Circuit Intermittent  | PCM  | 
 
 
  | ||||||||
P0455  | Evaporative Emission (EVAP) System Large Leak Detected  | PCM  | 
 
 
  | ||||||||
P0461  | Fuel Level Sensor 1 Performance  | PCM  | DTC P0461 in Instrument Panel, Gages, and Console  | ||||||||
P0462  | Fuel Level Sensor 1 Circuit Low Voltage  | PCM  | DTC P0462 in Instrument Panel, Gages, and Console  | ||||||||
P0463  | Fuel Level Sensor 1 Circuit High Voltage  | PCM  | DTC P0463 in Instrument Panel, Gages, and Console  | ||||||||
P0464  | Fuel Level Sensor 1 Circuit Intermittent  | PCM  | DTC P0464 in Instrument Panel, Gages, and Console  | ||||||||
P0480  | Cooling Fan Relay 1 Control Circuit  | PCM  | DTC P0480 or P0481 in Engine Cooling  | ||||||||
P0481  | Cooling Fan Relay 2 Control Circuit  | PCM  | DTC P0480 or P0481 in Engine Cooling  | ||||||||
P0496  | Evaporative Emission (EVAP) System Flow During Non-Purge  | PCM  | 
 
 
  | ||||||||
P0500  | Vehicle Speed Sensor (VSS) Circuit  | ECM, PCM, TCM  | 
 
 
 
  | ||||||||
P0502  | Vehicle Speed Sensor (VSS) Circuit Low Voltage  | PCM  | DTC P0502 in Automatic Transaxle - 4L60-E/4L65-E or DTC P0502 in Automatic Transaxle - 4L80-E/4L85-E  | ||||||||
P0503  | Vehicle Speed Sensor (VSS) Circuit Intermittent  | PCM  | DTC P0503 in Automatic Transaxle - 4L60-E/4L65-E or DTC P0503 in Automatic Transaxle - 4L80-E/4L85-E  | ||||||||
P0506  | Idle Speed Low  | ECM, PCM  | 
 
 
 
  | ||||||||
P0507  | Idle Speed High  | ECM, PCM  | 
 
 
 
  | ||||||||
P0522  | Engine Oil Pressure (EOP) Sensor Circuit Low Voltage  | ECM. PCM  | DTC P0522 in Instrument Panel, Gages, and Console  | ||||||||
P0523  | Engine Oil Pressure (EOP) Sensor Circuit High Voltage  | ECM, PCM  | DTC P0523 in Instrument Panel, Gages, and Console  | ||||||||
P0530  | Air Conditioning Refrigerant Pressure Sensor Circuit  | PCM  | 
 
  | ||||||||
P0561  | System Voltage Performance  | TCM  | DTC P0561 in Automatic Transmission - Allison  | ||||||||
P0562  | System Voltage Low  | TCM  | DTC P0562 in Automatic Transmission - Allison  | ||||||||
PCM  | DTC P0562 in Engine Electrical  | ||||||||||
P0563  | System Voltage High  | TCM  | DTC P0563 in Automatic Transmission - Allison  | ||||||||
PCM  | DTC P0563 in Engine Electrical  | ||||||||||
P0567  | Cruise Control Resume Switch Circuit  | ECM, PCM  | DTC P0567 in Cruise Control  | ||||||||
P0568  | Cruise Control Set Switch Circuit  | ECM, PCM  | DTC P0568 in Cruise Control  | ||||||||
P0571  | Cruise Control Brake Switch Circuit  | ECM, PCM  | DTC P0571 in Cruise Control  | ||||||||
P0601  | Control Module Read Only Memory (ROM)  | ECM, PCM  | 
 
 
 
  | ||||||||
P0602  | Control Module Not Programmed  | ECM, PCM  | 
 
 
 
  | ||||||||
P0603  | Control Module Long Term Memory Reset  | ECM  | DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 6.6L (LLY)  | ||||||||
P0604  | Control Module Random Access Memory (RAM)  | ECM, PCM  | 
 
 
 
  | ||||||||
P0606  | Control Module Internal Performance  | PCM  | DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 4.8L, 5.3L, and 6.0L or DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 8.1L  | ||||||||
P0608  | Vehicle Speed Output Circuit  | PCM  | DTC P0608 in Instrument Panel, Gages, and Console  | ||||||||
P0609  | Vehicle Speed Output Circuit 2  | PCM  | DTC C0235-C0237 or P0609 in Antilock Brake System  | ||||||||
P0611  | Fuel Injector Control Module Performance  | ECM  | DTC P0611, P1293, P1294, P1295, P1296, P1658, or P1687 in Engine Controls - 6.6L (LLY)  | ||||||||
P0612  | Fuel Injector Control Module (FICM) Relay Control Circuit  | ECM  | DTC P0612 in Engine Controls - 6.6L (LLY)  | ||||||||
P0615  | Starter Relay Control Circuit  | PCM  | DTC P0615 in Engine Electrical  | ||||||||
P0616  | Starter Relay Control Circuit Low Voltage  | SGCM  | DTC P0616, P0617, P2617, or P0725 in Engine Electrical  | ||||||||
P0617  | Starter Relay Control Circuit High Voltage  | SGCM  | DTC P0616, P0617, P2617, or P0725 in Engine Electrical  | ||||||||
P0621  | Generator L-Terminal Circuit  | PCM  | DTC P0621 in Engine Electrical  | ||||||||
P0622  | Generator F-Terminal Circuit  | PCM  | DTC P0622 in Engine Electrical  | ||||||||
P0641  | 5-Volt Reference 1 Circuit  | PCM  | 
 
 
  | ||||||||
P0642  | 5-Volt Reference 1 Circuit Low Voltage  | ECM  | DTC P0642 in Engine Controls - 6.6L (LLY)  | ||||||||
P0643  | 5-Volt Reference 1 Circuit High Voltage  | ECM  | DTC P0643 in Engine Controls - 6.6L (LLY)  | ||||||||
P0650  | Malfunction Indicator Lamp (MIL) Control Circuit  | PCM  | 
 
 
 
  | ||||||||
P0651  | 5-Volt Reference 2 Circuit  | PCM  | 
 
 
  | ||||||||
P0652  | 5-Volt Reference 2 Circuit Low Voltage  | ECM  | DTC P0652 in Engine Controls - 6.6L (LLY)  | ||||||||
P0653  | 5-Volt Reference 2 Circuit High Voltage  | ECM  | DTC P0653 in Engine Controls - 6.6L (LLY)  | ||||||||
P0654  | Engine Speed Output Circuit  | PCM  | DTC P0654 in Instrument Panel, Gages, and Console  | ||||||||
P0670  | Glow Plug Module Control Circuit  | ECM  | DTC P0670 in Engine Controls - 6.6L (LLY)  | ||||||||
P0671  | Glow Plug 1 Control Circuit  | ECM  | DTC P0671-P0678 in Engine Controls - 6.6L (LLY)  | ||||||||
P0672  | Glow Plug 2 Control Circuit  | ECM  | DTC P0671-P0678 in Engine Controls - 6.6L (LLY)  | ||||||||
P0673  | Glow Plug 3 Control Circuit  | ECM  | DTC P0671-P0678 in Engine Controls - 6.6L (LLY)  | ||||||||
P0674  | Glow Plug 4 Control Circuit  | ECM  | DTC P0671-P0678 in Engine Controls - 6.6L (LLY)  | ||||||||
P0675  | Glow Plug 5 Control Circuit  | ECM  | DTC P0671-P0678 in Engine Controls - 6.6L (LLY)  | ||||||||
P0676  | Glow Plug 6 Control Circuit  | ECM  | DTC P0671-P0678 in Engine Controls - 6.6L (LLY)  | ||||||||
P0677  | Glow Plug 7 Control Circuit  | ECM  | DTC P0671-P0678 in Engine Controls - 6.6L (LLY)  | ||||||||
P0678  | Glow Plug 8 Control Circuit  | ECM  | DTC P0671-P0678 in Engine Controls - 6.6L (LLY)  | ||||||||
P0698  | 5-Volt Reference 3 Circuit Low Voltage  | ECM  | DTC P0698 in Engine Controls - 6.6L (LLY)  | ||||||||
P0699  | 5-Volt Reference 3 Circuit High Voltage  | ECM  | DTC P0699 in Engine Controls - 6.6L (LLY)  | ||||||||
P0700  | Transmission Control Module (TCM) Requested MIL Illumination  | ECM, TCM  | DTC P0700 in Automatic Transmission - Allison or DTC P0700 in Engine Controls - 6.6L (LLY)  | ||||||||
P0701  | Transmission Control System Performance  | TCM  | DTC P0701 in Automatic Transmission - Allison  | ||||||||
P0703  | Brake Switch Circuit  | TCM  | DTC P0703 in Automatic Transmission - Allison  | ||||||||
P0706  | Transmission Range (TR) Switch Performance  | PCM  | DTC P0706 in Automatic Transmission - 4L60-E/4L65-E or DTC P0706 in Automatic Transmission - 4L80-E/4L85-E  | ||||||||
P0708  | Transmission Range (TR) Switch Circuit High Voltage  | TCM  | DTC P0708 in Automatic Transmission - Allison  | ||||||||
P0711  | Transmission Fluid Temperature (TFT) Sensor Performance  | PCM  | DTC P0711 in Automatic Transmission - 4L60-E/4L65-E or DTC P0711 in Automatic Transmission - 4L80-E/4L85-E  | ||||||||
TCM  | DTC P0711 in Automatic Transmission - Allison  | ||||||||||
P0712  | Transmission Fluid Temperature (TFT) Sensor Circuit Low Voltage  | PCM  | DTC P0712 in Automatic Transmission - 4L60-E/4L65-E or DTC P0712 in Automatic Transmission - 4L80-E/4L85-E  | ||||||||
TCM  | DTC P0712 in Automatic Transmission - Allison  | ||||||||||
P0713  | Transmission Fluid Temperature (TFT) Sensor Circuit High Voltage  | PCM  | DTC P0713 in Automatic Transmission - 4L60-E/4L65-E or DTC P0713 in Automatic Transmission - 4L80-E/4L85-E  | ||||||||
TCM  | DTC P0713 in Automatic Transmission - Allison  | ||||||||||
P0716  | Input Speed Sensor Performance  | PCM  | DTC P0716 in Automatic Transmission - 4L80-E/4L85-E  | ||||||||
TCM  | DTC P0716 in Automatic Transmission - Allison  | ||||||||||
P0717  | Input Speed Sensor Circuit Low Voltage  | PCM  | DTC P0717 in Automatic Transmission - 4L80-E/4L85-E  | ||||||||
TCM  | DTC P0717 in Automatic Transmission - Allison  | ||||||||||
P0719  | Brake Switch Circuit Low Voltage  | PCM  | DTC P0719 in Automatic Transmission - 4L60-E/4L65-E or DTC P0719 in Automatic Transmission - 4L80-E/4L85-E  | ||||||||
P0721  | Output Speed Sensor Performance  | TCM  | DTC P0721 in Automatic Transmission - Allison  | ||||||||
P0722  | Output Speed Sensor Circuit Low Voltage  | TCM  | DTC P0722 in Automatic Transmission - Allison  | ||||||||
P0724  | Brake Switch Circuit High Voltage  | PCM  | DTC P0724 in Automatic Transmission - 4L60-E/4L65-E or DTC P0724 in Automatic Transmission - 4L80-E/4L85-E  | ||||||||
P0725  | Engine Speed Circuit  | SGCM  | DTC P0616, P0617, P2617, or P0725 in Engine Electrical  | ||||||||
P0726  | Engine Speed Circuit Performance  | TCM  | DTC P0726 in Automatic Transmission - Allison  | ||||||||
P0727  | Engine Speed No Signal  | TCM  | DTC P0727 in Automatic Transmission - Allison  | ||||||||
P0730  | Incorrect Gear Ratio  | PCM  | DTC P0730 in Automatic Transmission - 4L80-E/4L85-E  | ||||||||
P0731  | Incorrect 1st Gear Ratio  | TCM  | DTC P0731 in Automatic Transmission - Allison  | ||||||||
P0732  | Incorrect 2nd Gear Ratio  | TCM  | DTC P0732 in Automatic Transmission - Allison  | ||||||||
P0733  | Incorrect 3rd Gear Ratio  | TCM  | DTC P0733 in Automatic Transmission - Allison  | ||||||||
P0734  | Incorrect 4th Gear Ratio  | TCM  | DTC P0734 in Automatic Transmission - Allison  | ||||||||
P0735  | Incorrect 5th Gear Ratio  | TCM  | DTC P0735 in Automatic Transmission - Allison  | ||||||||
P0736  | Incorrect Reverse Ratio  | TCM  | DTC P0736 in Automatic Transmission - Allison  | ||||||||
P0740  | Torque Converter Clutch (TCC) Enable Solenoid Control Circuit  | PCM  | DTC P0740 in Automatic Transmission - 4L60-E/4L65-E  | ||||||||
P0741  | Torque Converter Clutch (TCC) System - Stuck Off  | PCM, TCM  | 
 
 
  | ||||||||
P0742  | Torque Converter Clutch (TCC) System - Stuck On  | PCM, TCM  | 
 
 
  | ||||||||
P0743  | Torque Converter Clutch (TCC) Enable Solenoid Control Circuit  | TCM  | DTC P0743 in Automatic Transmission - Allison  | ||||||||
P0746  | Clutch Pressure Control (PC) Solenoid 1 - Stuck Off  | TCM  | DTC P0746 in Automatic Transmission - Allison  | ||||||||
P0747  | Clutch Pressure Control (PC) Solenoid 1 - Stuck On  | TCM  | DTC P0747 in Automatic Transmission - Allison  | ||||||||
P0748  | Pressure Control (PC) Solenoid Control Circuit  | PCM, TCM  | 
 
 
  | ||||||||
P0751  | 1-2 Shift Solenoid (SS) Valve Performance - No First or Fourth Gear  | PCM  | DTC P0751 in Automatic Transmission - 4L60-E/4L65-E or DTC P0751 in Automatic Transmission - 4L80-E/4L85-E  | ||||||||
P0752  | 1-2 Shift Solenoid (SS) Valve Performance - No Second or Third Gear  | PCM  | DTC P0752 in Automatic Transmission - 4L60-E/4L65-E or DTC P0752 in Automatic Transmission - 4L80-E/4L85-E  | ||||||||
P0753  | 1-2 Shift Solenoid (SS) Control Circuit  | PCM  | DTC P0753 in Automatic Transmission - 4L60-E/4L65-E or DTC P0753 in Automatic Transmission - 4L80-E/4L85-E  | ||||||||
P0756  | 2-3 Shift Solenoid (SS) Valve Performance - No First or Second Gear  | PCM  | DTC P0756 in Automatic Transmission - 4L60-E/4L65-E or DTC P0756 in Automatic Transmission - 4L80-E/4L85-E  | ||||||||
P0757  | 2-3 Shift Solenoid (SS) Valve Performance - No Third or Fourth Gear  | PCM  | DTC P0757 in Automatic Transmission - 4L60-E/4L65-E or DTC P0757 in Automatic Transmission - 4L80-E/4L85-E  | ||||||||
P0758  | 2-3 Shift Solenoid (SS) Control Circuit  | PCM  | DTC P0758 in Automatic Transmission - 4L60-E/4L65-E or DTC P0758 in Automatic Transmission - 4L80-E/4L85-E  | ||||||||
P0763  | Shift Solenoid (SS) 3 Control Circuit High Voltage  | TCM  | DTC P0763 in Automatic Transmission - Allison  | ||||||||
P0768  | Shift Solenoid (SS) 4 Control Circuit High Voltage  | TCM  | DTC P0768 in Automatic Transmission - Allison  | ||||||||
P0773  | Torque Converter Clutch (TCC) Enable Solenoid Control Circuit  | TCM  | DTC P0773 in Automatic Transmission - Allison  | ||||||||
P0776  | Clutch Pressure Control (PC) Solenoid 2 - Stuck Off  | TCM  | DTC P0776 in Automatic Transmission - Allison  | ||||||||
P0777  | Clutch Pressure Control (PC) Solenoid 2 - Stuck On  | TCM  | DTC P0777 in Automatic Transmission - Allison  | ||||||||
P0778  | Pressure Control Solenoid "B" Electrical  | TCM  | DTC P0778 in Automatic Transmission - Allison  | ||||||||
P0785  | 3-2 Shift Solenoid (SS) Control Circuit  | PCM  | DTC P0785 in Automatic Transmission - 4L60-E/4L65-E  | ||||||||
P0802  | Transmission Control Module (TCM) MIL Request Circuit  | ECM, PCM  | DTC P0802 in Engine Controls - 6.6L (LLY) or DTC P0802 in Engine Controls - 8.1L  | ||||||||
P0833  | Clutch Pedal Switch 2 Circuit  | ECM, PCM  | 
 
 
  | ||||||||
P0840  | Pressure Switch C Circuit Malfunction  | TCM  | DTC P0840 in Automatic Transmission - Allison  | ||||||||
P0841  | Pressure Switch C Stuck Open  | TCM  | DTC P0841 in Automatic Transmission - Allison  | ||||||||
P0842  | Pressure Switch C Circuit Low/Stuck Closed  | TCM  | DTC P0842 in Automatic Transmission - Allison  | ||||||||
P0843  | Pressure Switch C Circuit High  | TCM  | DTC P0843 in Automatic Transmission - Allison  | ||||||||
P0845  | Pressure Switch D Circuit Malfunction  | TCM  | DTC P0845 in Automatic Transmission - Allison  | ||||||||
P0846  | Pressure Switch Solenoid D Circuit Stuck Open  | TCM  | DTC P0846 in Automatic Transmission - Allison  | ||||||||
P0847  | Pressure Switch D Circuit Stuck Closed  | TCM  | DTC P0847 in Automatic Transmission - Allison  | ||||||||
P0848  | Pressure Switch D Circuit High  | TCM  | DTC P0848 in Automatic Transmission - Allison  | ||||||||
P0856  | Traction Control Torque Request Circuit  | PCM  | DTC C0298 or P0856 in Antilock Brake System  | ||||||||
P0870  | Pressure Switch E Circuit Malfunction  | TCM  | DTC P0870 in Automatic Transmission - Allison  | ||||||||
P0871  | Pressure Switch Solenoid E Circuit Stuck Open  | TCM  | DTC P0871 in Automatic Transmission - Allison  | ||||||||
P0872  | Pressure Switch Solenoid E Circuit Low/Stuck Closed  | TCM  | DTC P0872 in Automatic Transmission - Allison  | ||||||||
P0873  | Pressure Switch E Circuit High  | TCM  | DTC P0873 in Automatic Transmission - Allison  | ||||||||
P0875  | Reverse Pressure Switch Circuit Malfunction  | TCM  | DTC P0875 in Automatic Transmission - Allison  | ||||||||
P0876  | Reverse Pressure Switch Circuit Stuck Open  | TCM  | DTC P0876 in Automatic Transmission - Allison  | ||||||||
P0880  | TCM Power Input Signal  | TCM  | DTC P0880 in Automatic Transmission - Allison  | ||||||||
P0894  | Transmission Component Slipping  | PCM  | DTC P0894 in Automatic Transmission - 4L60-E/4L65-E or DTC P0894 in Automatic Transmission - 4L80-E/4L85-E  | ||||||||
P0A0A  | High Voltage System Interlock Circuit  | SGCM  | DTC P0A0A in Power Outlets  | ||||||||
P0A01  | Starter/Generator Control Module Coolant Temperature Sensor 1 Performance  | SGCM  | DTC P0A01, P0A02, P0A03, P1A7A, P1A75, P1A76, P1A77, P1A78, or P1A79 in Engine Cooling  | ||||||||
P0A02  | Starter/Generator Control Module Coolant Temperature Sensor 1 Circuit Low Voltage  | SGCM  | DTC P0A01, P0A02, P0A03, P1A7A, P1A75, P1A76, P1A77, P1A78, or P1A79 in Engine Cooling  | ||||||||
P0A03  | Starter/Generator Control Module Coolant Temperature Sensor 1 Circuit High Voltage  | SGCM  | DTC P0A01, P0A02, P0A03, P1A7A, P1A75, P1A76, P1A77, P1A78, or P1A79 in Engine Cooling  | ||||||||
P0A06  | Starter/Generator Control Module Coolant Pump Relay Control Circuit Low Voltage  | SGCM  | DTC P0A06 or P0A07 in Engine Cooling  | ||||||||
P0A07  | Starter/Generator Control Module Coolant Pump Relay Control Circuit High Voltage  | SGCM  | DTC P0A06 or P0A07 in Engine Cooling  | ||||||||
P0A1D  | HCM System Fault  | HCM  | DTC P0A1D or P1AC8 in Engine Electrical  | ||||||||
P0A3E  | Starter/Generator Control Module Overtemperature  | SGCM  | DTC P0A3E in Engine Cooling  | ||||||||
P0A27  | Hybrid Battery Pack Relay Feedback Circuit  | ESCM  | DTC P0A27 or P1A58 in Engine Electrical  | ||||||||
P0A7E  | Hybrid Battery Pack Overtemperature  | HCM  | DTC P0A7E in Engine Electrical  | ||||||||
P0A7F  | Hybrid Battery Pack Life  | HCM  | DTC P0A7F in Engine Electrical  | ||||||||
P0A82  | Hybrid Battery Pack Cooling Fan Stuck Off  | HCM  | DTC P0A82 in Engine Electrical  | ||||||||
P0A83  | Hybrid Battery Pack Cooling Fan Stuck On  | HCM  | DTC P0A83 in Engine Electrical  | ||||||||
P0A88  | 14-Volt Power Module Current Sensor Circuit Low Current  | HCM  | DTC P0A88 in Engine Electrical  | ||||||||
P0A89  | 14-Volt Power Module Current Sensor Circuit High Current  | HCM  | DTC P0A89 in Engine Electrical  | ||||||||
P0A8B  | 14-Volt Power Module System Voltage  | SGCM  | DTC P0A8B in Engine Electrical  | ||||||||
P0A8E  | 14-Volt Power Module System Voltage High  | HCM  | DTC P0A8E in Engine Electrical  | ||||||||
P1093  | Fuel Rail Pressure Low During Power Enrichment  | ECM  | DTC P1093 in Engine Controls - 6.6L (LLY)  | ||||||||
P1094  | Fuel Rail Pressure Low During Idle or Decel Fuel Cut-Off (DFCO)  | PCM  | DTC P1094 in Engine Controls - 8.1L  | ||||||||
P1106  | Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage  | PCM  | 
 
 
  | ||||||||
P1107  | Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage  | PCM  | 
 
 
  | ||||||||
P1111  | Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage  | PCM  | 
 
 
  | ||||||||
P1112  | Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage  | PCM  | 
 
 
  | ||||||||
P1114  | Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage  | PCM  | 
 
 
  | ||||||||
P1115  | Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage  | PCM  | 
 
 
  | ||||||||
P1121  | Throttle Position (TP) Sensor Circuit Intermittent High Voltage  | PCM  | DTC P1121 in Engine Controls - 4.3L  | ||||||||
P1122  | Throttle Position (TP) Sensor Circuit Intermittent Low Voltage  | PCM  | DTC P1122 in Engine Controls - 4.3L  | ||||||||
P1125  | Accelerator Pedal Position (APP) System  | ECM, PCM  | 
 
 
  | ||||||||
P1133  | HO2S Insufficient Switching Bank 1 Sensor 1  | PCM  | 
 
 
  | ||||||||
P1134  | HO2S Transition Time Ratio Bank 1 Sensor 1  | PCM  | 
 
 
  | ||||||||
P1153  | HO2S Insufficient Switching Bank 2 Sensor 1  | PCM  | 
 
 
  | ||||||||
P1154  | HO2S Transition Time Ratio Bank 2 Sensor 1  | PCM  | 
 
 
  | ||||||||
P1223  | Injector 1 Output Circuit  | ECM  | DTC P1223, P1226, P1229, P1232, P1235, P1238, P1241, or P1244 in Engine Controls - 6.6L (LLY)  | ||||||||
P1226  | Injector 2 Output Circuit  | ECM  | DTC P1223, P1226, P1229, P1232, P1235, P1238, P1241, or P1244 in Engine Controls - 6.6L (LLY)  | ||||||||
P1229  | Injector 3 Output Circuit  | ECM  | DTC P1223, P1226, P1229, P1232, P1235, P1238, P1241, or P1244 in Engine Controls - 6.6L (LLY)  | ||||||||
P1232  | Injector 4 Output Circuit  | ECM  | DTC P1223, P1226, P1229, P1232, P1235, P1238, P1241, or P1244 in Engine Controls - 6.6L (LLY)  | ||||||||
P1235  | Injector 5 Output Circuit  | ECM  | DTC P1223, P1226, P1229, P1232, P1235, P1238, P1241, or P1244 in Engine Controls - 6.6L (LLY)  | ||||||||
P1238  | Injector 6 Output Circuit  | ECM  | DTC P1223, P1226, P1229, P1232, P1235, P1238, P1241, or P1244 in Engine Controls - 6.6L (LLY)  | ||||||||
P1241  | Injector 7 Output Circuit  | ECM  | DTC P1223, P1226, P1229, P1232, P1235, P1238, P1241, or P1244 in Engine Controls - 6.6L (LLY)  | ||||||||
P1244  | Injector 8 Output Circuit  | ECM  | DTC P1223, P1226, P1229, P1232, P1235, P1238, P1241, or P1244 in Engine Controls - 6.6L (LLY)  | ||||||||
P1258  | Engine Coolant Overtemperature - Protection Mode Active  | PCM  | DTC P1258 in Engine Cooling  | ||||||||
P1293  | Injector Circuit Low to High Current Transition Time Bank 1  | ECM  | DTC P0611, P1293, P1294, P1295, P1296, P1658, or P1687 in Engine Controls - 6.6L (LLY)  | ||||||||
P1294  | Injector Circuit Low to High Current Transition Time Bank 2  | ECM  | DTC P0611, P1293, P1294, P1295, P1296, P1658, or P1687 in Engine Controls - 6.6L (LLY)  | ||||||||
P1295  | Injector Circuit Low to Low Current Transition Time Bank 1  | ECM  | DTC P0611, P1293, P1294, P1295, P1296, P1658, or P1687 in Engine Controls - 6.6L (LLY)  | ||||||||
P1296  | Injector Circuit Low to Low Current Transition Time Bank 2  | ECM  | DTC P0611, P1293, P1294, P1295, P1296, P1658, or P1687 in Engine Controls - 6.6L (LLY)  | ||||||||
P1380  | Misfire Detected - Rough Road Data Not Available  | PCM  | 
 
 
  | ||||||||
P1381  | Misfire Detected - No Communication With Brake Control Module  | PCM  | 
 
 
  | ||||||||
P1404  | Exhaust Gas Recirculation (EGR) Closed Position Performance  | ECM  | DTC P1404 in Engine Controls - 6.6L (LLY)  | ||||||||
P1516  | Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance  | PCM  | DTC P1516 in Engine Controls - 4.8L, 5.3L, and 6.0L or DTC P1516 in Engine Controls - 8.1L  | ||||||||
P1550  | Fuel Injector Control Module System Voltage  | ECM  | DTC P1550 in Engine Controls - 6.6L (LLY)  | ||||||||
P1571  | Transmission Torque Request Circuit  | TCM  | DTC P1571 in Automatic Transmission - Allison  | ||||||||
P1574  | Stop Lamp Switch Circuit  | PCM  | DTC P1574 in Cruise Control  | ||||||||
P1621  | Control Module Long Term Memory Performance  | ECM  | DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 6.6L (LLY)  | ||||||||
P1626  | Theft Deterrent Fuel Enable Signal Lost  | PCM  | DTC P1626 in Theft Deterrent  | ||||||||
P1631  | Theft Deterrent Fuel Enable Signal Not Correct  | PCM  | DTC P1631 in Theft Deterrent  | ||||||||
P1637  | Generator L-Terminal Circuit Low Voltage  | HCM  | DTC P1637 in Engine Electrical  | ||||||||
P1638  | Generator F-Terminal Circuit  | HCM  | DTC P1638 in Engine Electrical  | ||||||||
P1644  | Traction Control Delivered Torque Output Circuit  | PCM  | DTC C0287, P1644, or P1689 in Antilock Brake System  | ||||||||
P1658  | Fuel Injector Control Module Driver Performance  | ECM  | DTC P0611, P1293, P1294, P1295, P1296, P1658, or P1687 in Engine Controls - 6.6L (LLY)  | ||||||||
P1687  | Fuel Injector Control Module Driver Stuck On  | ECM  | DTC P0611, P1293, P1294, P1295, P1296, P1658, or P1687 in Engine Controls - 6.6L (LLY)  | ||||||||
P1688  | Unmanaged Engine Torque Signal Delivered to TCM  | TCM  | DTC P1688 in Automatic Transmission - Allison  | ||||||||
P1689  | Traction Control Delivered Torque Output Circuit  | PCM  | DTC C0287, P1644, or P1689 in Antilock Brake System  | ||||||||
P1779  | Torque Delivered Signal  | TCM  | DTC P1779 in Automatic Transmission - Allison  | ||||||||
P1810  | Transmission Fluid Pressure (TFP) Position Switch Circuit  | PCM  | DTC P1810 in Automatic Transmission - 4L60-E/4L65-E or DTC P1810 in Automatic Transmission - 4L80-E/4L85-E  | ||||||||
P1A00  | Battery Energy Control Module Reset  | ESCM  | DTC P1A00, P1A01, P1A02, P1A03, P1A04, P1A05, P1A06, P1A07, P1A08, or P1A09 in Engine Electrical  | ||||||||
P1A01  | Battery Energy Control Module Long Term Memory Performance  | ESCM  | DTC P1A00, P1A01, P1A02, P1A03, P1A04, P1A05, P1A06, P1A07, P1A08, or P1A09 in Engine Electrical  | ||||||||
P1A02  | Battery Energy Control Module Loop Overrun  | ESCM  | DTC P1A00, P1A01, P1A02, P1A03, P1A04, P1A05, P1A06, P1A07, P1A08, or P1A09 in Engine Electrical  | ||||||||
P1A03  | Battery Energy Control Module Options Incorrect  | ESCM  | DTC P1A00, P1A01, P1A02, P1A03, P1A04, P1A05, P1A06, P1A07, P1A08, or P1A09 in Engine Electrical  | ||||||||
P1A04  | Battery Energy Control Module Programming Read Only Memory (ROM)  | ESCM  | DTC P1A00, P1A01, P1A02, P1A03, P1A04, P1A05, P1A06, P1A07, P1A08, or P1A09 in Engine Electrical  | ||||||||
P1A05  | Battery Energy Control Module Random Access Memory (RAM)  | ESCM  | DTC P1A00, P1A01, P1A02, P1A03, P1A04, P1A05, P1A06, P1A07, P1A08, or P1A09 in Engine Electrical  | ||||||||
P1A06  | Battery Energy Control Module Read Only Memory (ROM)  | ESCM  | DTC P1A00, P1A01, P1A02, P1A03, P1A04, P1A05, P1A06, P1A07, P1A08, or P1A09 in Engine Electrical  | ||||||||
P1A07  | Battery Energy Control Module 5-Volt Reference Circuit  | HCM  | DTC P1A00, P1A01, P1A02, P1A03, P1A04, P1A05, P1A06, P1A07, P1A08, or P1A09 in Engine Electrical  | ||||||||
P1A08  | Battery Energy Control Module Stack Overrun  | HCM  | DTC P1A00, P1A01, P1A02, P1A03, P1A04, P1A05, P1A06, P1A07, P1A08, or P1A09 in Engine Electrical  | ||||||||
P1A09  | Battery Energy Control Module Hybrid System Voltage  | ESCM  | DTC P1A00, P1A01, P1A02, P1A03, P1A04, P1A05, P1A06, P1A07, P1A08, or P1A09 in Engine Electrical  | ||||||||
P1A10  | Hybrid Battery 1 Temperature Sensor Performance  | HCM  | DTC P1A10, P1A13 or P1A16 in Engine Electrical  | ||||||||
P1A11  | Hybrid Battery 1 Temperature Sensor Circuit Low Voltage  | HCM  | DTC P1A11, P1A12, P1A14, P1A15, P1A17 or P1A18 in Engine Electrical  | ||||||||
P1A12  | Hybrid Battery 1 Temperature Sensor Circuit High Voltage  | HCM  | DTC P1A11, P1A12, P1A14, P1A15, P1A17 or P1A18 in Engine Electrical  | ||||||||
P1A13  | Hybrid Battery 2 Temperature Sensor Performance  | HCM  | DTC P1A10, P1A13 or P1A16 in Engine Electrical  | ||||||||
P1A14  | Hybrid Battery 2 Temperature Sensor Circuit Low Voltage  | HCM  | DTC P1A11, P1A12, P1A14, P1A15, P1A17 or P1A18 in Engine Electrical  | ||||||||
P1A15  | Hybrid Battery 2 Temperature Sensor Circuit High Voltage  | HCM  | DTC P1A11, P1A12, P1A14, P1A15, P1A17 or P1A18 in Engine Electrical  | ||||||||
P1A16  | Hybrid Battery 3 Temperature Sensor Performance  | HCM  | DTC P1A10, P1A13 or P1A16 in Engine Electrical  | ||||||||
P1A17  | Hybrid Battery 3 Temperature Sensor Circuit Low Voltage  | HCM  | DTC P1A11, P1A12, P1A14, P1A15, P1A17 or P1A18 in Engine Electrical  | ||||||||
P1A18  | Hybrid Battery 3 Temperature Sensor Circuit High Voltage  | HCM  | DTC P1A11, P1A12, P1A14, P1A15, P1A17 or P1A18 in Engine Electrical  | ||||||||
P1A22  | Hybrid Battery 1 Circuit Low Voltage  | HCM  | DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36 in Engine Electrical  | ||||||||
P1A23  | Hybrid Battery 1 Circuit High Voltage  | HCM  | DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36 in Engine Electrical  | ||||||||
P1A26  | Hybrid Battery 1 Voltage Low  | HCM  | DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36 in Engine Electrical  | ||||||||
P1A27  | Hybrid Battery 1 Voltage Very Low  | HCM  | DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36 in Engine Electrical  | ||||||||
P1A28  | Hybrid Battery 1 Voltage High  | HCM  | DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36 in Engine Electrical  | ||||||||
P1A29  | Hybrid Battery 2 Circuit Low Voltage  | HCM  | DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36 in Engine Electrical  | ||||||||
P1A2A  | Hybrid Battery 2 Circuit High Voltage  | HCM  | DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36 in Engine Electrical  | ||||||||
P1A2D  | Hybrid Battery 2 Voltage Low  | HCM  | DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36 in Engine Electrical  | ||||||||
P1A2E  | Hybrid Battery 2 Voltage Very Low  | HCM  | DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36 in Engine Electrical  | ||||||||
P1A2F  | Hybrid Battery 2 Voltage High  | HCM  | DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36 in Engine Electrical  | ||||||||
P1A30  | Hybrid Battery 3 Circuit Low Voltage  | HCM  | DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36 in Engine Electrical  | ||||||||
P1A31  | Hybrid Battery 3 Circuit High Voltage  | HCM  | DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36 in Engine Electrical  | ||||||||
P1A34  | Hybrid Battery 3 Voltage Low  | HCM  | DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36 in Engine Electrical  | ||||||||
P1A35  | Hybrid Battery 3 Voltage Very Low  | HCM  | DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36 in Engine Electrical  | ||||||||
P1A36  | Hybrid Battery 3 Voltage High  | HCM  | DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36 in Engine Electrical  | ||||||||
P1A4A  | Hybrid Battery Current Sensor Circuit  | HCM  | DTC P1A4A, P1A4B, P1A4C, or P1A4D in Engine Electrical  | ||||||||
P1A4B  | Hybrid Battery Current Sensor Performance  | HCM  | DTC P1A4A, P1A4B, P1A4C, or P1A4D in Engine Electrical  | ||||||||
P1A58  | Hybrid Battery Pack Relay Open  | ESCM  | DTC P0A27 or P1A58 in Engine Electrical  | ||||||||
P1A64  | Starter/Generator Control Module Reset  | HCM  | DTC P1AB2, P1A64, P1A65, P1A66, P1A67, P1A68, P1A69, P1A6A, or P1A6B in Engine Electrical  | ||||||||
P1A65  | Starter/Generator Control Module Long Term Memory Performance  | HCM  | DTC P1AB2, P1A64, P1A65, P1A66, P1A67, P1A68, P1A69, P1A6A, or P1A6B in Engine Electrical  | ||||||||
P1A66  | Starter/Generator Control Module Loop Overrun  | HCM  | DTC P1AB2, P1A64, P1A65, P1A66, P1A67, P1A68, P1A69, P1A6A, or P1A6B in Engine Electrical  | ||||||||
P1A67  | Starter/Generator Control Module Options Incorrect  | HCM  | DTC P1AB2, P1A64, P1A65, P1A66, P1A67, P1A68, P1A69, P1A6A, or P1A6B in Engine Electrical  | ||||||||
P1A68  | Starter/Generator Control Module Programming Read Only Memory (ROM)  | HCM  | DTC P1AB2, P1A64, P1A65, P1A66, P1A67, P1A68, P1A69, P1A6A, or P1A6B in Engine Electrical  | ||||||||
P1A69  | Starter/Generator Control Module Random Access Memory (RAM)  | HCM  | DTC P1AB2, P1A64, P1A65, P1A66, P1A67, P1A68, P1A69, P1A6A, or P1A6B in Engine Electrical  | ||||||||
P1A6A  | Starter/Generator Control Module Read Only Memory (ROM)  | HCM  | DTC P1AB2, P1A64, P1A65, P1A66, P1A67, P1A68, P1A69, P1A6A, or P1A6B in Engine Electrical  | ||||||||
P1A6B  | Starter/Generator Control Module 5-Volt Reference Circuit  | HCM  | DTC P1AB2, P1A64, P1A65, P1A66, P1A67, P1A68, P1A69, P1A6A, or P1A6B in Engine Electrical  | ||||||||
P1A6C  | SGCM Service Calibration Fault  | ESCM  | DTC P1A6C in Engine Electrical  | ||||||||
P1A75  | Starter/Generator Control Module Coolant Temperature Sensor 2 Performance  | SGCM  | DTC P0A01, P0A02, P0A03, P1A7A, P1A75, P1A76, P1A77, P1A78, or P1A79 in Engine Cooling  | ||||||||
P1A76  | Starter/Generator Control Module Coolant Temperature Sensor 2 Circuit Low Voltage  | SGCM  | DTC P0A01, P0A02, P0A03, P1A7A, P1A75, P1A76, P1A77, P1A78, or P1A79 in Engine Cooling  | ||||||||
P1A77  | Starter/Generator Control Module Coolant Temperature Sensor 2 Circuit High Voltage  | SGCM  | DTC P0A01, P0A02, P0A03, P1A7A, P1A75, P1A76, P1A77, P1A78, or P1A79 in Engine Cooling  | ||||||||
P1A78  | Starter/Generator Control Module Coolant Temperature Sensor 3 Performance  | SGCM  | DTC P0A01, P0A02, P0A03, P1A7A, P1A75, P1A76, P1A77, P1A78, or P1A79 in Engine Cooling  | ||||||||
P1A79  | Starter/Generator Control Module Coolant Temperature Sensor 3 Circuit Low Voltage  | SGCM  | DTC P0A01, P0A02, P0A03, P1A7A, P1A75, P1A76, P1A77, P1A78, or P1A79 in Engine Cooling  | ||||||||
P1A7A  | Starter/Generator Control Module Coolant Temperature Sensor 3 Circuit High Voltage  | SGCM  | DTC P0A01, P0A02, P0A03, P1A7A, P1A75, P1A76, P1A77, P1A78, or P1A79 in Engine Cooling  | ||||||||
P1A7E  | Starter/Generator Control Module Overtemperature - High Voltage System Disabled  | SGCM  | DTC P1A7E in Engine Cooling  | ||||||||
P1A7F  | Starter/Generator Control Module Coolant Level Sensor 1 Low Voltage  | SGCM  | DTC P1A7F, P1A80, P1A81, P1A82, P1A83, P1A84, P1A85, or P1A86 in Engine Cooling  | ||||||||
P1A80  | Starter/Generator Control Module Coolant Level Sensor 1 High Voltage  | SGCM  | DTC P1A7F, P1A80, P1A81, P1A82, P1A83, P1A84, P1A85, or P1A86 in Engine Cooling  | ||||||||
P1A81  | Starter/Generator Control Module Coolant Level Sensor 2 Low Voltage  | SGCM  | DTC P1A7F, P1A80, P1A81, P1A82, P1A83, P1A84, P1A85, or P1A86 in Engine Cooling  | ||||||||
P1A82  | Starter/Generator Control Module Coolant Level Sensor 2 High Voltage  | SGCM  | DTC P1A7F, P1A80, P1A81, P1A82, P1A83, P1A84, P1A85, or P1A86 in Engine Cooling  | ||||||||
P1A83  | Starter/Generator Control Module Coolant Level Sensor 3 Low Voltage  | SGCM  | DTC P1A7F, P1A80, P1A81, P1A82, P1A83, P1A84, P1A85, or P1A86 in Engine Cooling  | ||||||||
P1A84  | Starter/Generator Control Module Coolant Level Sensor 3 High Voltage  | SGCM  | DTC P1A7F, P1A80, P1A81, P1A82, P1A83, P1A84, P1A85, or P1A86 in Engine Cooling  | ||||||||
P1A85  | Starter/Generator Control Module Coolant Level Sensor 4 Low Voltage  | SGCM  | DTC P1A7F, P1A80, P1A81, P1A82, P1A83, P1A84, P1A85, or P1A86 in Engine Cooling  | ||||||||
P1A86  | Starter/Generator Control Module Coolant Level Sensor 4 High Voltage  | SGCM  | DTC P1A7F, P1A80, P1A81, P1A82, P1A83, P1A84, P1A85, or P1A86 in Engine Cooling  | ||||||||
P1A87  | Low Starter/Generator Control Module Coolant Level  | SGCM  | DTC P1A87 in Engine Cooling  | ||||||||
P1A93  | 14-Volt Power Module Stuck Off  | HCM  | DTC P1A93 or P1A94 in Engine Electrical  | ||||||||
P1A94  | 14-Volt Power Module Stuck On  | HCM  | DTC P1A93 or P1A94 in Engine Electrical  | ||||||||
P1A95  | DC/DC Converter Stuck in 14-42 Volt Direction  | HCM  | DTC P1A95 or P1A96 in Engine Electrical  | ||||||||
P1A96  | DC/DC Converter Stuck in 42-14 Volt Direction  | HCM  | DTC P1A95 or P1A96 in Engine Electrical  | ||||||||
P1A97  | Starter/Generator Control Module Hybrid Battery Voltage Sensor Circuit Low Voltage  | SGCM  | DTC P1A97, P1A98, P1A99 or P1A9A in Engine Electrical  | ||||||||
P1A98  | Starter/Generator Control Module Hybrid Battery Voltage Sensor Circuit High Voltage  | SGCM  | DTC P1A97, P1A98, P1A99 or P1A9A in Engine Electrical  | ||||||||
P1A99  | Starter/Generator Control Module Hybrid Battery Current Sensor Circuit Low Current .  | SGCM  | DTC P1A97, P1A98, P1A99 or P1A9A in Engine Electrical  | ||||||||
P1AA9  | Starter/Generator Control Module Hybrid Battery Current Sensor Circuit High Current  | HCM  | DTC P1AA9 in Engine Electrical  | ||||||||
P1AAA  | Starter/Generator Phase W Current Sensor Performance  | HCM  | DTC P1AAA in Engine Electrical  | ||||||||
P1AAB  | Starter/Generator Phase U Circuit  | HCM  | DTC P1AAB in Engine Electrical  | ||||||||
P1AAC  | Starter/Generator Phase V Circuit  | HCM  | DTC P1AAC in Engine Electrical  | ||||||||
P1AAD  | Starter/Generator Phase W Circuit  | HCM  | DTC P1AAD in Engine Electrical  | ||||||||
P1AAE  | Starter/Generator Phase U-V-W Correlation  | HCM  | DTC P1AAE in Engine Electrical  | ||||||||
P1AB2  | Hybrid System Voltage  | HCM  | DTC P1AB2, P1A64, P1A65, P1A66, P1A67, P1A68, P1A69, P1A6A, or P1A6B in Engine Electrical  | ||||||||
P1A9A  | Starter/Generator Control Module Hybrid Battery Current Sensor Circuit Low Current  | SGCM  | DTC P1A97, P1A98, P1A99 or P1A9A in Engine Electrical  | ||||||||
P1AC0  | Starter/Generator Control Module Output Circuit  | SGCM  | DTC P1AC0 in Engine Cooling  | ||||||||
P1AC8  | HCM 5-Volt Reference Circuit  | HCM  | DTC P0A1D or P1AC8 in Engine Electrical  | ||||||||
P1AC9  | HCM Service Calibration Fault  | HCM  | DTC P1AC9 in Engine Electrical  | ||||||||
P2066  | Fuel Level Sensor 2 Performance  | PCM  | DTC P2066 in Instrument Panel, Gages, and Console  | ||||||||
P2067  | Fuel Level Sensor 2 Circuit Low Voltage  | PCM  | DTC P2067 in Instrument Panel, Gages, and Console  | ||||||||
P2068  | Fuel Level Sensor 2 Circuit High Voltage  | PCM  | DTC P2068 in Instrument Panel, Gages, and Console  | ||||||||
P2101  | Control Module Throttle Actuator Position Performance  | PCM  | DTC P2101 in Engine Controls - 4.8L, 5.3L, and 6.0L or DTC P2101 in Engine Controls - 8.1L  | ||||||||
P2108  | Throttle Actuator Control (TAC) Module Performance  | PCM  | DTC P2108 in Engine Controls - 4.8L, 5.3L, and 6.0L or DTC P2108 in Engine Controls - 8.1L  | ||||||||
P2120  | Accelerator Pedal Position (APP) Sensor 1 Circuit  | PCM  | DTC P2120 in Engine Controls - 4.8L, 5.3L, and 6.0L or DTC P2120 in Engine Controls - 8.1L  | ||||||||
P2121  | Accelerator Pedal Position (APP) Sensor 1 Performance  | PCM  | DTC P2121 in Engine Controls - 4.8L, 5.3L, and 6.0L or DTC P2121 in Engine Controls - 8.1L  | ||||||||
P2122  | Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage  | ECM  | DTC P2122 in Engine Controls - 6.6L (LLY)  | ||||||||
P2123  | Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage  | ECM  | DTC P2123 in Engine Controls - 6.6L (LLY)  | ||||||||
P2125  | Accelerator Pedal Position (APP) Sensor 2 Circuit  | PCM  | DTC P2125 in Engine Controls - 4.8L, 5.3L, and 6.0L or DTC P2125 in Engine Controls - 8.1L  | ||||||||
P2127  | Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage  | ECM  | DTC P2127 in Engine Controls - 6.6L (LLY)  | ||||||||
P2128  | Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage  | ECM  | DTC P2128 in Engine Controls - 6.6L (LLY)  | ||||||||
P2132  | Accelerator Pedal Position (APP) Sensor 3 Circuit Low Voltage  | ECM  | DTC P2132 in Engine Controls - 6.6L (LLY)  | ||||||||
P2133  | Accelerator Pedal Position (APP) Sensor 3 Circuit High Voltage  | ECM  | DTC P2133 in Engine Controls - 6.6L (LLY)  | ||||||||
P2135  | Throttle Position (TP) Sensor 1-2 Correlation  | PCM  | DTC P2135 in Engine Controls - 4.8L, 5.3L, and 6.0L or DTC P2135 in Engine Controls - 8.1L  | ||||||||
P2138  | Accelerator Pedal Position (APP) Sensor 1-2 Correlation  | ECM  | DTC P2138 in Engine Controls - 6.6L (LLY)  | ||||||||
P2139  | Accelerator Pedal Position (APP) Sensor 1-3 Correlation  | ECM  | DTC P2139 in Engine Controls - 6.6L (LLY)  | ||||||||
P2140  | Accelerator Pedal Position (APP) Sensor 2-3 Correlation  | ECM  | DTC P2140 in Engine Controls - 6.6L (LLY)  | ||||||||
P2146  | Injector Positive Voltage Relay Control Circuit Group 1  | ECM  | DTC P2146 in Engine Controls - 6.6L (LLY)  | ||||||||
P2149  | Injector Positive Voltage Relay Control Circuit Group 2  | ECM  | DTC P2149 in Engine Controls - 6.6L (LLY)  | ||||||||
P2227  | Barometric Pressure (BARO) Sensor Performance  | ECM  | DTC P2227 in Engine Controls - 6.6L (LLY)  | ||||||||
P2228  | Barometric Pressure (BARO) Sensor Circuit Low Voltage  | ECM  | DTC P2228 in Engine Controls - 6.6L (LLY)  | ||||||||
P2229  | Barometric Pressure (BARO) Sensor Circuit High Voltage  | ECM  | DTC P2229 in Engine Controls - 6.6L (LLY)  | ||||||||
P2533  | Ignition Relay Rationality Fault  | PCM  | DTC P2533 in Engine Electrical  | ||||||||
P2563  | Turbocharger Vane Control Position Sensor Performance  | ECM  | DTC P2563 in Engine Controls - 6.6L (LLY)  | ||||||||
P2564  | Turbocharger Vane Control Position Sensor Circuit Low Voltage  | ECM  | DTC P2564 in Engine Controls - 6.6L (LLY)  | ||||||||
P2565  | Turbocharger Vane Control Position Sensor Circuit High Voltage  | ECM  | DTC P2565 in Engine Controls - 6.6L (LLY)  | ||||||||
P2610  | Control Module Ignition Off Timer Performance  | ECM, PCM  | 
 
 
 
  | ||||||||
P2617  | Crankshaft Position Signal Output Circuit  | SGCM  | DTC P0616, P0617, P2617, or P0725 in Engine Electrical  | ||||||||
P2636  | Fuel Pump 2 Flow Insufficient  | ECM  | DTC P2636 in Engine Controls - 6.6L (LLY)  | ||||||||
Fuel Transfer Pump Flow Insufficient  | PCM  | DTC P2636 in Engine Controls - 4.8L, 5.3L, and 6.0L or DTC P2636 in Engine Controls - 8.1L  | |||||||||
P2761  | Torque Converter Clutch (TCC) Pressure Control (PC) Solenoid Control Circuit  | PCM  | DTC P2761 in Automatic Transmission - 4L60-E/4L65-E or DTC P2761 in Automatic Transmission - 4L80-E/4L85-E  | ||||||||
P2771  | Four Wheel Drive (4WD) Low Switch Circuit  | PCM  | DTC P2771 in Automatic Transmission - 4L60-E/4L65-E or DTC P2771 in Automatic Transmission - 4L80-E/4L85-E  | ||||||||
TCM  | DTC P2771 in Automatic Transmission - Allison  | ||||||||||
P2796  | Auxiliary Transmission Fluid Pump Relay Control Circuit  | PCM  | DTC P2796 in Automatic Transmission - 4L60-E/4L65-E  | ||||||||
P2797  | Auxiliary Transmission Fluid Pump Performance  | PCM  | DTC P2797 in Automatic Transmission - 4L60-E/4L65-E  | ||||||||
P2810  | Pressure Control Solenoid "G" Electrical  | TCM  | DTC P2810 in Automatic Transmission - Allison  | ||||||||
P2A01  | HO2S Performance Bank 1 Sensor 2  | PCM  | 
 
 
  | ||||||||
P2A04  | HO2S Performance Bank 2 Sensor 2  | PCM  | 
 
 
  | ||||||||
U0073  | High Speed CAN Communication Bus  | ECM, TCM  | DTC U0073 in Computer/Integrating Systems  | ||||||||
U0100  | Lost Communications with Engine Control Module (ECM)  | TCM  | DTC U0100-U0299 in Computer/Integrating Systems  | ||||||||
U0101  | Lost Communication With Transmission Control Module (TCM)  | ECM  | DTC U0100-U0299 in Computer/Integrating Systems  | ||||||||
U0105  | Lost Communication With Fuel Injector Control Module (FICM)  | ECM, TCM  | DTC U0100-U0299 in Computer/Integrating Systems  | ||||||||
U0106  | Lost Communication With Glow Plug Control Module (GPCM)  | ECM, TCM  | DTC U0100-U0299 in Computer/Integrating Systems  | ||||||||
U0107  | Lost Communication with Throttle Actuator Control (TAC) Module  | PCM  | DTC U0107 in Engine Controls - 4.8L, 5.3L, and 6.0L or DTC U0107 in Engine Controls - 8.1L  | ||||||||
U0111  | Lost Communication With Energy Storage Control Module (ESCM)  | PCM  | DTC U0100-U0299 in Computer/Integrating Systems  | ||||||||
U0120  | Lost Communication With Starter/Generator Control Module (SGCM)  | PCM  | DTC U0100-U0299 in Computer/Integrating Systems  | ||||||||
U0131  | Lost Communication With Power Steering Control Module (PSCM)  | PCM  | DTC U0100-U0299 in Computer/Integrating Systems  | ||||||||
U0293  | Lost Communication With Hybrid Control Module (HCM)  | PCM  | DTC U0100-U0299 in Computer/Integrating Systems  | ||||||||
U1000  | Class 2 Data Link Malfunction  | Audio Amplifier, BCM, DDM, DRR, DSM, EBCM, ECM/PCM, GBCM, HVAC Control Module, IPC, PDM, Radio, RWSCM, CDX. RSA, RSE, SDM, TCM, Theft Deterrent Control Module, TCSCM, VCIM  | DTC U1000 in Computer/Integrating Systems  | ||||||||
U1016  | Lost Communications With ECM/PCM  | Audio Amplifier, BCM, DDM, DRR, DSM, EBCM, GBCM, HVAC Control Module, IPC, PDM, Radio, RWSCM, SDM, TCM, TCSCM, VCIM  | DTC U1001-U1254 in Computer/Integrating Systems  | ||||||||
U1022  | Lost Communications With Regulated Voltage Controller (RVC)  | PCM  | DTC U1001-U1254 in Computer/Integrating Systems  | ||||||||
U1023  | Lost Communications With Hybrid Module Control (HCM)  | HVAC Control Module  | DTC U1001-U1254 in Computer/Integrating Systems  | ||||||||
U1024  | Lost Communications With Transmission Control Module (TCM)  | BCM, IPC, PCM, RADIO, RWSCM  | DTC U1001-U1254 in Computer/Integrating Systems  | ||||||||
U1026  | Lost Communications With Transfer Case Shift Control Module (TCSCM)  | BCM, EBCM, ECM/PCM, IPC, RWSCM, SDM, TCM  | DTC U1001-U1254 in Computer/Integrating Systems  | ||||||||
U1041  | Lost Communications With Electronic Brake Control Module (EBCM)  | BCM, DDM, ECM/PCM, SDM, TCM  | DTC U1001-U1254 in Computer/Integrating Systems  | ||||||||
U1048  | Lost Communications With Rear Wheel Steering Control Module (RWSCM)  | EBCM, ECM, IPC, PCM  | DTC U1001-U1254 in Computer/Integrating Systems  | ||||||||
U1064  | Lost Communications With Body Control Module (BCM)  | DDM, EBCM, ECM/PCM, GBCM, HVAC Control Module, IPC, PDM, Radio, SDM, TCSCM, VCIM  | DTC U1001-U1254 in Computer/Integrating Systems  | ||||||||
U1088  | Lost Communications With Inflatable Restraint Sensing and Diagnostic Module (SDM)  | BCM, IPC, VCIM  | DTC U1001-U1254 in Computer/Integrating Systems  | ||||||||
U1096  | Lost Communications With Instrument Panel Cluster (IPC)  | BCM, IPC, SDM  | DTC U1001-U1254 in Computer/Integrating Systems  | ||||||||
U1128  | Lost Communications With Radio  | Audio Amplifier, CDX, VCIM  | DTC U1001-U1254 in Computer/Integrating Systems  | ||||||||
U1129  | Lost Communications With Audio Amplifier (AMP)  | DRR, Radio, VCIM  | DTC U1001-U1254 in Computer/Integrating Systems  | ||||||||
U1130  | Lost Communications With Remote Playback Device - CD Player (CDX)  | Audio Amplifier, Radio  | DTC U1001-U1254 in Computer/Integrating Systems  | ||||||||
U1137  | Lost Communications With Digital Radio Receiver (DRR)  | Audio Amplifier, BCM, IPC, Radio  | DTC U1001-U1254 in Computer/Integrating Systems  | ||||||||
U1151  | Lost Communications With Communication Interface Module (OnStar®)  | Audio Amplifier, BCM, IPC, Radio  | DTC U1001-U1254 in Computer/Integrating Systems  | ||||||||
U1152  | Lost Communications With HVAC Control Module  | BCM, GBCM  | DTC U1001-U1254 in Computer/Integrating Systems  | ||||||||
U1154  | Lost Communications With Rear Seat Entertainment (RSE) Assembly  | BCM, Radio  | DTC U1001-U1254 in Computer/Integrating Systems  | ||||||||
U1160  | Lost Communications With Driver Door Module (DDM)  | BCM, DSM, FPDM  | DTC U1001-U1254 in Computer/Integrating Systems  | ||||||||
U1161  | Lost Communications With Passenger Door Module (PDM)  | BCM, DDM, DSM  | DTC U1001-U1254 in Computer/Integrating Systems  | ||||||||
U1166  | Lost Communications With Memory Seat Module (MSM)  | BCM, DDM  | DTC U1001-U1254 in Computer/Integrating Systems  | ||||||||
U1167  | Lost Communications With Rear Seat Audio Controller (RSA)  | Audio Amplifier, BCM, DRR, IPC, Radio  | DTC U1001-U1254 in Computer/Integrating Systems  | ||||||||
U1241  | Lost Communication With Scan Tool  | SDM  | DTC U1241 in SIR  | ||||||||
U1300  | Class 2 Data Link Low  | DRR, EBCM, ECM/PCM, HVAC Control Module, IPC, Radio, RWSCM, CDX, RSA, RSE, SDM, TCM, Theft Deterrent Control Module, TCSCM, VCIM  | DTC U1300, U1301, or U1305 in Computer/Integrating Systems  | ||||||||
U1301  | Class 2 Data Link High  | DRR, EBCM, ECM/PCM, HVAC Control Module, IPC, Radio, RWSCM, CDX, RSA, RSE, SDM, TCM, Theft Deterrent Control Module, TCSCM, VCIM  | DTC U1300, U1301, or U1305 in Computer/Integrating Systems  | ||||||||
U1305  | Class 2 Data Link Low or High  | Audio Amplifier, BCM, DDM, GBCM, PDM, MSM  | DTC U1300, U1301, or U1305 in Computer/Integrating Systems  | ||||||||
U1500  | Inter-device Dedicated Bus Malfunction  | OnStar®, VCIM  | DTC U1500 in Cellular Communication  | ||||||||
U1881  | Electro-Hydraulic Power Steering (EHPS) Module Lost Communication With Energy Storage Control Module (ESCM)  | PCM  | DTC U1881-U1899 in Computer/Integrating Systems  | ||||||||
U1882  | Energy Storage Control Module (ESCM) Lost Communication With Electro-Hydraulic Power Steering (EHPS) Module  | PCM  | DTC U1881-U1899 in Computer/Integrating Systems  | ||||||||
U1883  | Hybrid Control Module (HCM) Lost Communication With Driver Door Module (DDM)  | PCM  | DTC U1881-U1899 in Computer/Integrating Systems  | ||||||||
U1884  | Hybrid Control Module (HCM) Lost Communication With Passenger Door Module (PDM)  | PCM  | DTC U1881-U1899 in Computer/Integrating Systems  | ||||||||
U1885  | Energy Storage Control Module (ESCM) Lost Communication With Hybrid Control Module (HCM)  | PCM  | DTC U1881-U1899 in Computer/Integrating Systems  | ||||||||
U1886  | Energy Storage Control Module (ESCM) Lost Communication With Powertrain Control Module (PCM)  | PCM  | DTC U1881-U1899 in Computer/Integrating Systems  | ||||||||
U1887  | Energy Storage Control Module (ESCM) Lost Communication With Starter/Generator Control Module (SGCM)  | PCM  | DTC U1881-U1899 in Computer/Integrating Systems  | ||||||||
U1888  | Hybrid Control Module (HCM) Lost Communication With Energy Storage Control Module (ESCM)  | PCM  | DTC U1881-U1899 in Computer/Integrating Systems  | ||||||||
U1889  | Hybrid Control Module (HCM) Lost Communication With Body Control Module (BCM)  | PCM  | DTC U1881-U1899 in Computer/Integrating Systems  | ||||||||
U1890  | Hybrid Control Module (HCM) Lost Communication With HVAC Control Module  | PCM  | DTC U1881-U1899 in Computer/Integrating Systems  | ||||||||
U1891  | Hybrid Control Module (HCM) Lost Communication With Instrument Panel Cluster (IPC)  | PCM  | DTC U1881-U1899 in Computer/Integrating Systems  | ||||||||
U1892  | Hybrid Control Module (HCM) Lost Communication With Electro-Hydraulic Power Steering (EHPS) Module  | PCM  | DTC U1881-U1899 in Computer/Integrating Systems  | ||||||||
U1893  | Hybrid Control Module (HCM) Lost Communication With Powertrain Control Module (PCM)  | PCM  | DTC U1881-U1899 in Computer/Integrating Systems  | ||||||||
U1894  | Hybrid Control Module (HCM) Lost Communication With Starter/Generator Control Module (SGCM)  | PCM  | DTC U1881-U1899 in Computer/Integrating Systems  | ||||||||
U1895  | Electro-Hydraulic Power Steering Module (EHPS) Lost Communication With Powertrain Control Module (PCM)  | PCM  | DTC U1881-U1899 in Computer/Integrating Systems  | ||||||||
U1896  | Electro-Hydraulic Power Steering Module (EHPS) Lost Communication With Starter/Generator Control Module (SGCM)  | PCM  | DTC U1881-U1899 in Computer/Integrating Systems  | ||||||||
U1897  | Starter/Generator Control Module (SGCM) Lost Communication With Energy Storage Control Module (ESCM)  | PCM  | DTC U1881-U1899 in Computer/Integrating Systems  | ||||||||
U1898  | Starter/Generator Control Module (SGCM) Lost Communication With Hybrid (HCM) Control Module  | PCM  | DTC U1881-U1899 in Computer/Integrating Systems  | ||||||||
U1899  | Starter/Generator Control Module (SGCM) Lost Communication With Powertrain Control Module (PCM)  | PCM  | DTC U1881-U1899 in Computer/Integrating Systems  | ||||||||
023  | Seat Belt Tension Sensor Circuit Out of Range  | PPS  | DTC 023 in SIR  | ||||||||
024  | PPS Ignition 1 Voltage Performance  | PPS  | DTC 024 in SIR  | ||||||||
063  | PPS Out of Calibration  | PPS  | DTC 063 in SIR  | ||||||||
064  | PPS Communication/ID Performance  | PPS  | DTC 064 in SIR  | ||||||||
065  | PPS Sensor Circuit Out of Range  | PPS  | DTC 065 in SIR  |