This master DTC list includes all applicable DTCs in alphanumeric order with descriptors.
DTC  | DTC Descriptor  | Module That Sets the DTC  | Diagnostic Procedure  | 
|---|---|---|---|
B0012  | Passenger Frontal Deployment Loop Stage 2 Resistance Low  | SDM  | |
B0013  | Passenger Frontal Deployment Loop Stage 2 Open  | SDM  | |
B0014  | Passenger Frontal Deployment Loop Stage 2 Voltage Out of Range  | SDM  | |
B0016  | Passenger Frontal Deployment Loop Stage 1 Resistance Low  | SDM  | |
B0017  | Passenger Frontal Deployment Loop Stage 1 Open  | SDM  | |
B0018  | Passenger Frontal Deployment Loop Stage 1 Voltage Out of Range  | SDM  | |
B0022  | Driver Frontal Deployment Loop Stage 1 Resistance Low  | SDM  | |
B0024  | Driver Frontal Deployment Loop Stage 1 Voltage Out of Range  | SDM  | |
B0026  | Driver Frontal Deployment Loop Stage 1 Open  | SDM  | |
B0042  | Driver Frontal Deployment Loop Stage 2 Resistance Low  | SDM  | |
B0043  | Driver Frontal Deployment Loop Stage 2 Voltage Out of Range  | SDM  | |
B0044  | 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  | 
B0083  | Passenger Seat Position Sensor Circuit  | SDM  | DTC B0083 or B0084 in SIR  | 
B0084  | 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  | 
B0100  | Electronic Front End Sensor Performance  | SDM  | DTC B0100, B0101, or B0102 in SIR  | 
B0101  | Discard Electronic Front End Sensor  | SDM  | DTC B0100, B0101, or B0102 in SIR  | 
B0102  | Incorrect Electronic Front End Sensor Installed  | SDM  | DTC B0100, B0101, or B0102 in SIR  | 
B0951  | Headlamps On Indicator Circuit  | BCM  | DTC B0951 in Lighting Systems  | 
B1000  | Electronic Control Unit (ECU) Performance  | BCM, IPC, Radio, RCDLR, SDM, VCIM  | DTC B1000 in Computer/Integrating Systems  | 
B1001  | Option Configuration Error  | SDM  | DTC B1001 in SIR  | 
VCIM  | DTC B1001 in Cellular Communication  | ||
B1004  | Keep Alive Memory (KAM) Reset  | VCIM  | DTC B1004 in Computer/Integrating Systems  | 
B1007  | EEPROM Write Error  | VCIM  | DTC B1007 in Computer/Integrating Systems  | 
B1009  | EEPROM Checksum Mismatch  | VCIM  | DTC B1009 in Computer/Integrating Systems  | 
B1017  | Driver Door Unlock Relay Control  | BCM  | DTC B1017 or B3970 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  | 
B1327  | Device Power 1 Circuit Low  | PCM  | DTC B1327 in Engine Electrical  | 
B1372  | Device Ignition 1 Circuit Range Performance  | IPC  | DTC B1372 in Instrument Panel, Gages, and Console  | 
B1420  | Device Voltage  | BCM  | DTC B1420 in Computer/Integrating Systems  | 
B1440  | Power Mode Master Input Circuits Mismatch  | BCM  | DTC B1440 in Computer/Integrating Systems  | 
B1477  | Retained Accessory Power Circuit Low  | BCM  | DTC B1477 or B1478 in Computer/Integrating Systems  | 
B1478  | Retained Accessory Power Circuit High  | BCM  | DTC B1477 or B1478 in Computer/Integrating Systems  | 
B1480  | Battery Rundown Protection Circuit  | BCM  | DTC B1480 in Lighting Systems  | 
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  | OnStar® VCIM  | DTC B2476 in Cellular Communication  | 
B2482  | Cellular Phone Select Switch Range/Performance  | OnStar® VCIM  | DTC B2482 in Cellular Communication  | 
B2483  | Global Positioning System (GPS) Sensor Circuit Low  | OnStar® VCIM  | DTC B2483 or B2484 in Cellular Communication  | 
B2484  | Global Positioning System (GPS) Sensor Circuit Open  | OnStar® VCIM  | DTC B2483 or B2484 in Cellular Communication  | 
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  | 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  | 
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  | IPC  | DTC B2961 in Instrument Panel, Gages, and Console  | 
B3031  | Security System Controller in Learn Mode  | BCM  | DTC B3031 in Theft Deterrent  | 
B3033  | Security System Indicates Tamper  | BCM  | DTC B3033 in Theft Deterrent  | 
B3109  | Keyless Entry Transmitter Low Battery  | BCM  | DTC B3109 in Keyless Entry  | 
B3801  | Passenger Compartment Lamp Request Circuit  | BCM  | DTC B3801 in Lighting Systems  | 
B3802  | Park Lamps Request Circuit  | BCM  | DTC B3802 in Lighting Systems  | 
B3808  | Door Lock Switch Relay Circuit  | BCM  | DTC B3808 in Doors  | 
B3809  | Passenger Door Unlock relay Circuit  | BCM  | DTC B3809 in Doors  | 
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  | 
C0045  | Left Rear Wheel Speed Sensor Circuit  | EBCM  | DTC C0045 or C0050 in Antilock Brake System  | 
C0050  | Right Rear Wheel Speed Sensor Circuit  | EBCM  | DTC C0045 or C0050 in Antilock Brake System  | 
C0055  | Rear Wheel Speed Sensor (Both Wheels) Circuit  | EBCM  | DTC C0055 or P0609 in Antilock Brake System  | 
C0110  | Pump Motor Circuit  | EBCM  | DTC C0110 in Antilock Brake System  | 
C0131  | Antilock Brake System (ABS)/Traction Control System (TCS) Pressure Circuit  | EBCM  | DTC C0131 in Antilock Brake System  | 
C0161  | Antilock Brake System (ABS)/Traction Control System (TCS) Brake Switch Circuit  | EBCM  | DTC C0161 in Antilock Brake System  | 
C0186  | Lateral Accelerometer Circuit  | EBCM  | DTC C0186 in Antilock Brake System  | 
C0196  | Yaw Rate Circuit  | EBCM  | DTC C0196 in Antilock Brake System  | 
C0201  | Antilock Brake System (ABS) Enable Relay Contact Circuit  | EBCM  | DTC C0201 in Antilock Brake System  | 
C0220  | Left Front Antilock Brake System (ABS) Channel in Release Too Long  | EBCM  | DTC C0220-C0229 in Antilock Brake System  | 
C0221  | Right Front Antilock Brake System (ABS) Channel in Release Too Long  | EBCM  | DTC C0220-C0229 in Antilock Brake System  | 
C0228  | Left Rear Antilock Brake System (ABS) Channel in Release Too Long  | EBCM  | DTC C0220-C0229 in Antilock Brake System  | 
C0229  | Right Rear Antilock Brake System (ABS) Channel in Release Too Long  | EBCM  | DTC C0220-C0229 in Antilock Brake System  | 
C0240  | PCM Traction Control Not Allowed  | EBCM  | DTC C0240 or P0856 in Antilock Brake System  | 
C0244  | Pulse Width Modulated (PWM) Delivered Torque  | EBCM  | DTC C0244 or P1689 in Antilock Brake System  | 
C0245  | Wheel Speed Sensor Frequency Error  | EBCM  | DTC C0245 in Antilock Brake System  | 
C0279  | Pre-charge Pump Circuit Performance  | EBCM  | DTC C0279 in Antilock Brake System  | 
C0283  | Mode Switch Circuit Malfunction  | EBCM  | DTC C0283 in Antilock Brake System  | 
C0290  | Device Voltage Reference Output Circuit  | EBCM  | DTC C0290 or C0292 in Antilock Brake System  | 
C0292  | Device Voltage Reference Input Circuit  | EBCM  | DTC C0290 or C0292 in Antilock Brake System  | 
C0455  | Front Steering Position Sensor Circuit  | EBCM  | DTC C0455 in Antilock Brake System  | 
C0550  | Electronic Control Unit (ECU) Performance  | EBCM  | DTC C0550 in Antilock Brake System  | 
C0558  | Calibration Data Not Programmed  | EBCM  | DTC C0558 in Antilock Brake System  | 
P0016  | Crankshaft Position (CKP) - Camshaft Position (CMP) Correlation  | PCM  | DTC P0016 in Engine Controls - 4.3L  | 
P0053  | HO2S Heater Resistance Bank 1 Sensor 1  | PCM  | DTC P0053, P0054, P0059, or P0060 in Engine Controls - 4.3L or DTC P0053, P0054, P0059, or P0060 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0054  | HO2S Heater Resistance Bank 1 Sensor 2  | PCM  | DTC P0053, P0054, P0059, or P0060 in Engine Controls - 4.3L or DTC P0053, P0054, P0059, or P0060 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0059  | HO2S Heater Resistance Bank 2 Sensor 1  | PCM  | DTC P0053, P0054, P0059, or P0060 in Engine Controls - 4.3L or DTC P0053, P0054, P0059, or P0060 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0060  | HO2S Heater Resistance Bank 2 Sensor 2  | PCM  | DTC P0053, P0054, P0059, or P0060 in Engine Controls - 4.3L or DTC P0053, P0054, P0059, or P0060 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0068  | Throttle Body Airflow Performance  | PCM  | DTC P0068 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0101  | Mass Air Flow (MAF) Sensor Performance  | PCM  | DTC P0101 in Engine Controls - 4.3L or DTC P0101 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0102  | Mass Air Flow (MAF) Sensor Circuit Low Frequency  | PCM  | DTC P0102 in Engine Controls - 4.3L or DTC P0102 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0103  | Mass Air Flow (MAF) Sensor Circuit High Frequency  | PCM  | DTC P0103 in Engine Controls - 4.3L or DTC P0103 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0106  | Manifold Absolute Pressure (MAP) Sensor Performance  | PCM  | DTC P0106 in Engine Controls - 4.3L or DTC P0106 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0107  | Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage  | PCM  | DTC P0107 in Engine Controls - 4.3L or DTC P0107 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0108  | Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage  | PCM  | DTC P0108 in Engine Controls - 4.3L or DTC P0108 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0112  | Intake Air Temperature (IAT) Sensor Circuit Low Voltage  | PCM  | DTC P0112 in Engine Controls - 4.3L or DTC P0112 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0113  | Intake Air Temperature (IAT) Sensor Circuit High Voltage  | PCM  | DTC P0113 in Engine Controls - 4.3L or DTC P0113 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0116  | Engine Coolant Temperature (ECT) Sensor Performance  | PCM  | DTC P0116 in Engine Controls - 4.3L or DTC P0116 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0117  | Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage  | PCM  | DTC P0117 in Engine Controls - 4.3L or DTC P0117 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0118  | Engine Coolant Temperature (ECT) Sensor Circuit High Voltage  | PCM  | DTC P0118 in Engine Controls - 4.3L or DTC P0118 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0120  | Throttle Position (TP) Sensor 1 Circuit  | PCM  | DTC P0120 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0121  | Throttle Position (TP) Sensor Performance  | PCM  | DTC P0121 in Engine Controls - 4.3L or DTC P0121 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0122  | Throttle Position (TP) Sensor Circuit Low Voltage  | PCM  | DTC P0122 in Engine Controls - 4.3L or DTC P0122 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0123  | Throttle Position (TP) Sensor Circuit High Voltage  | PCM  | DTC P0123 in Engine Controls - 4.3L or DTC P0123 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0128  | Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature  | PCM  | DTC P0128 in Engine Controls - 4.3L or DTC P0128 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0131  | HO2S Circuit Low Voltage Bank 1 Sensor 1  | PCM  | DTC P0131 or P0151 in Engine Controls - 4.3L or DTC P0131 or P0151 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0132  | HO2S Circuit High Voltage Bank 1 Sensor 1  | PCM  | DTC P0132 or P0152 in Engine Controls - 4.3L or DTC P0132 or P0152 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0133  | HO2S Slow Response Bank 1 Sensor 1  | PCM  | DTC P0133 or P0153 in Engine Controls - 4.3L or DTC P0133 or P0153 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0134  | HO2S Circuit Insufficient Activity Bank 1 Sensor 1  | PCM  | DTC P0134 or P0154 in Engine Controls - 4.3L or DTC P0134 or P0154 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0135  | HO2S Heater Performance Bank 1 Sensor 1  | PCM  | DTC P0135, P0141, P0155, or P0161 in Engine Controls - 4.3L or DTC P0135, P0141, P0155, or P0161 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0137  | HO2S Circuit Low Voltage Bank 1 Sensor 2  | PCM  | DTC P0137 or P0157 in Engine Controls - 4.3L or DTC P0137 or P0157 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0138  | HO2S Circuit High Voltage Bank 1 Sensor 2  | PCM  | DTC P0138 or P0158 in Engine Controls - 4.3L or DTC P0138 or P0158 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0140  | HO2S Circuit Insufficient Activity Bank 1 Sensor 2  | PCM  | DTC P0140 or P0160 in Engine Controls - 4.3L or DTC P0140 or P0160 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0141  | HO2S Heater Performance Bank 1 Sensor 2  | PCM  | DTC P0135, P0141, P0155, or P0161 in Engine Controls - 4.3L or DTC P0135, P0141, P0155, or P0161 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0151  | HO2S Circuit Low Voltage Bank 2 Sensor 1  | PCM  | DTC P0131 or P0151 in Engine Controls - 4.3L or DTC P0131 or P0151 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0152  | HO2S Circuit High Voltage Bank 2 Sensor 1  | PCM  | DTC P0132 or P0152 in Engine Controls - 4.3L or DTC P0132 or P0152 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0153  | HO2S Slow Response Bank 2 Sensor 1  | PCM  | DTC P0133 or P0153 in Engine Controls - 4.3L or DTC P0133 or P0153 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0154  | HO2S Circuit Insufficient Activity Bank 2 Sensor 1  | PCM  | DTC P0134 or P0154 in Engine Controls - 4.3L or DTC P0134 or P0154 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0155  | HO2S Heater Performance Bank 2 Sensor 1  | PCM  | DTC P0135, P0141, P0155, or P0161 in Engine Controls - 4.3L or DTC P0135, P0141, P0155, or P0161 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0157  | HO2S Circuit Low Voltage Bank 2 Sensor 2  | PCM  | DTC P0137 or P0157 in Engine Controls - 4.3L or DTC P0137 or P0157 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0158  | HO2S Circuit High Voltage Bank 2 Sensor 2  | PCM  | DTC P0138 or P0158 in Engine Controls - 4.3L or DTC P0138 or P0158 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0160  | HO2S Circuit Insufficient Activity Bank 2 Sensor 2  | PCM  | DTC P0140 or P0160 in Engine Controls - 4.3L or DTC P0140 or P0160 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0161  | HO2S Heater Performance Bank 2 Sensor 2  | PCM  | DTC P0135, P0141, P0155, or P0161 in Engine Controls - 4.3L or DTC P0135, P0141, P0155, or P0161 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0171  | Fuel Trim System Lean Bank 1  | PCM  | DTC P0171 or P0174 in Engine Controls - 4.3L or DTC P0171 or P0174 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0172  | Fuel Trim System Rich Bank 1  | PCM  | DTC P0172 or P0175 in Engine Controls - 4.3L or DTC P0172 or P0175 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0174  | Fuel Trim System Lean Bank 2  | PCM  | DTC P0171 or P0174 in Engine Controls - 4.3L or DTC P0171 or P0174 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0175  | Fuel Trim System Rich Bank 2  | PCM  | DTC P0172 or P0175 in Engine Controls - 4.3L or DTC P0172 or P0175 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0200  | Injector Control Circuit  | PCM  | DTC P0200 in Engine Controls - 4.3L or DTC P0200 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0218  | Transmission Fluid Over Temperature  | PCM  | DTC P0218 in Automatic Transmission - 4L60-E/4L65-E or DTC P0218 in Automatic Transmission - 4L80-E/4L85-E  | 
P0220  | Throttle Position (TP) Sensor 2 Circuit  | PCM  | DTC P0220 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0230  | Fuel Pump Relay Control Circuit  | PCM  | DTC P0230 in Engine Controls - 4.3L or DTC P0230 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0300  | Engine Misfire Detected  | PCM  | DTC P0300 in Engine Controls - 4.3L or DTC P0300 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0315  | Crankshaft Position (CKP) System Variation Not Learned  | PCM  | DTC P0315 in Engine Controls - 4.3L or DTC P0315 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0325  | Knock Sensor (KS) Circuit  | PCM  | DTC P0325 in Engine Controls - 4.3L or DTC P0325 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0327  | Knock Sensor (KS) Circuit Low Frequency  | PCM  | DTC P0327 in Engine Controls - 4.3L  | 
Knock Sensor (KS) 1 Circuit Low Frequency  | PCM  | DTC P0327 or P0332 in Engine Controls - 4.8L, 5.3L, and 6.0L  | |
P0332  | Knock Sensor (KS) 2 Circuit Low Frequency  | PCM  | DTC P0327 or P0332 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0335  | Crankshaft Position (CKP) Sensor Circuit  | PCM  | DTC P0335 in Engine Controls - 4.3L or DTC P0335 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0336  | Crankshaft Position (CKP) Sensor Performance  | PCM  | DTC P0336 in Engine Controls - 4.3L or DTC P0336 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0341  | Camshaft Position (CMP) Sensor Performance  | PCM  | DTC P0341 in Engine Controls - 4.3L or DTC P0341 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0342  | Camshaft Position (CMP) Sensor Circuit Low Voltage  | PCM  | DTC P0342 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0343  | Camshaft Position (CMP) Sensor Circuit High Voltage  | PCM  | DTC P0343 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0351  | Ignition Coil 1 Control Circuit  | PCM  | DTC P0351 in Engine Controls - 4.3L or DTC P0351-P0358 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0352  | Ignition Coil 2 Control Circuit  | PCM  | DTC P0351-P0358 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0353  | Ignition Coil 3 Control Circuit  | PCM  | DTC P0351-P0358 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0354  | Ignition Coil 4 Control Circuit  | PCM  | DTC P0351-P0358 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0355  | Ignition Coil 5 Control Circuit  | PCM  | DTC P0351-P0358 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0356  | Ignition Coil 6 Control Circuit  | PCM  | DTC P0351-P0358 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0357  | Ignition Coil 7 Control Circuit  | PCM  | DTC P0351-P0358 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0358  | Ignition Coil 8 Control Circuit  | PCM  | DTC P0351-P0358 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0420  | Catalyst System Low Efficiency Bank 1  | PCM  | DTC P0420 or P0430 in Engine Controls - 4.3L or DTC P0420 or P0430 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0430  | Catalyst System Low Efficiency Bank 2  | PCM  | DTC P0420 or P0430 in Engine Controls - 4.3L or DTC P0420 or P0430 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0442  | Evaporative Emission (EVAP) System Small Leak Detected  | PCM  | DTC P0442 in Engine Controls - 4.3L or DTC P0442 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0443  | Evaporative Emission (EVAP) Purge Solenoid Control Circuit  | PCM  | DTC P0443 in Engine Controls - 4.3L or DTC P0443 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0446  | Evaporative Emission (EVAP) Vent System Performance  | PCM  | DTC P0446 in Engine Controls - 4.3L or DTC P0446 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0449  | Evaporative Emission (EVAP) Vent Solenoid Control Circuit  | PCM  | DTC P0449 in Engine Controls - 4.3L or DTC P0449 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0451  | Fuel Tank Pressure (FTP) Sensor Performance  | PCM  | DTC P0451 in Engine Controls - 4.3L or DTC P0451 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0452  | Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage  | PCM  | DTC P0452 in Engine Controls - 4.3L or DTC P0452 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0453  | Fuel Tank Pressure (FTP) Sensor Circuit High Voltage  | PCM  | DTC P0453 in Engine Controls - 4.3L or DTC P0453 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0454  | Fuel Tank Pressure (FTP) Sensor Circuit Intermittent  | PCM  | DTC P0454 in Engine Controls - 4.3L or DTC P0454 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0455  | Evaporative Emission (EVAP) System Large Leak Detected  | PCM  | DTC P0455 in Engine Controls - 4.3L or DTC P0455 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
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  | 
P0496  | Evaporative Emission (EVAP) System Flow During Non-Purge  | PCM  | DTC P0496 in Engine Controls - 4.3L or DTC P0496 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0502  | Vehicle Speed Sensor (VSS) Circuit Low Voltage  | PCM  | DTC P0502 in Automatic Transmission - 4L60-E/4L65-E  | 
P0502  | Vehicle Speed Sensor (VSS) Circuit Low Voltage  | PCM  | DTC P0502 in Automatic Transmission - 4L80-E/4L85-E  | 
P0503  | Vehicle Speed Sensor (VSS) Circuit Intermittent  | PCM  | DTC P0503 in Automatic Transmission - 4L60-E/4L65-E or DTC P0503 in Automatic Transmission - 4L80-E/4L85-E  | 
P0506  | Idle Speed Low  | PCM  | DTC P0506 in Engine Controls - 4.3L or DTC P0506 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0507  | Idle Speed High  | PCM  | DTC P0507 in Engine Controls - 4.3L or DTC P0507 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0522  | Engine Oil Pressure (EOP) Sensor Circuit Low Voltage  | PCM  | DTC P0522 in Instrument Panel, Gages, and Console  | 
P0523  | Engine Oil Pressure (EOP) Sensor Circuit High Voltage  | PCM  | DTC P0523 in Instrument Panel, Gages, and Console  | 
P0562  | System Voltage Low  | PCM  | DTC P0562 in Engine Electrical  | 
P0563  | System Voltage High  | PCM  | DTC P0563 in Engine Electrical  | 
P0567  | Cruise Control Resume Switch Circuit  | PCM  | DTC P0567 in Cruise Control  | 
P0568  | Cruise Control Set Switch Circuit  | PCM  | DTC P0568 in Cruise Control  | 
P0601  | Control Module Read Only Memory (ROM)  | PCM  | DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 4.3L or 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  | 
P0602  | Control Module Not Programmed  | PCM  | DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 4.3L or 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  | 
P0604  | Control Module Random Access Memory (RAM)  | PCM  | DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 4.3L or 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  | 
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 - 4.3L or 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  | 
P0608  | Vehicle Speed Output Circuit  | PCM  | DTC P0608 in Cruise Control  | 
P0609  | Rear Wheel Speed Sensor (Both Wheels) Circuit  | EBCM, PCM  | DTC C0055 or P0609 in Antilock Brake System  | 
P0622  | Generator F-Terminal Circuit  | PCM  | DTC P0622 in Engine Electrical  | 
P0641  | 5-Volt Reference-1 Circuit  | PCM  | DTC P0641 in Engine Controls - 4.3L or DTC P0641 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0650  | Malfunction Indicator Lamp (MIL) Control Circuit  | PCM  | DTC P0650 in Engine Controls - 4.3L or DTC P0650 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P0651  | 5-Volt Reference-2 Circuit  | PCM  | DTC P0651 in Engine Controls - 4.3L or DTC P0651 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
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  | 
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  | 
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  | 
P0713  | Transmission Fluid Temperature (TFT) Sensor Circuit High Voltage  | PCM  | DTC P0713 in Automatic Transmission - 4L60-E/4L65-E  | 
P0713  | Transmission Fluid Temperature (TFT) Sensor Circuit High Voltage  | PCM  | DTC P0713 in Automatic Transmission- 4L80-E/4L85-E  | 
P0716  | Input Speed Sensor Performance  | PCM  | DTC P0716 in Automatic Transmission - 4L80-E/4L85-E  | 
P0717  | Input Speed Sensor Circuit Low Voltage  | PCM  | DTC P0717 in Automatic Transmission - 4L80-E/4L85-E  | 
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  | 
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  | 
P0730  | Incorrect Gear Ratio  | PCM  | DTC P0730 in Automatic Transmission - 4L80-E/4L85-E  | 
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  | DTC P0741 in Automatic Transmission - 4L60-E/4L65-E or DTC P0741 in Automatic Transmission - 4L80-E/4L85-E  | 
P0742  | Torque Converter Clutch (TCC) System-Stuck On  | PCM  | DTC P0742 in Automatic Transmission - 4L60-E/4L65-E or DTC P0742 in Automatic Transmission - 4L80-E/4L85-E  | 
P0748  | Pressure Control (PC) Solenoid Control Circuit  | PCM  | DTC P0748 in Automatic Transmission - 4L60-E/4L65-E or DTC P0748 in Automatic Transmission - 4L80-E/4L85-E  | 
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  | 
P0785  | 3-2 Shift Solenoid (SS) Control Circuit  | PCM  | DTC P0785 in Automatic Transmission - 4L60-E/4L65-E  | 
P0856  | Traction Control Torque Request Circuit  | EBCM  | DTC C0240 or P0856 in Antilock Brake System  | 
P0894  | Transmission Component Slipping  | PCM  | DTC P0894 in Automatic Transmission - 4L60-E/4L65-E or DTC P0894 in Automatic Transmission - 4L80-E/4L85-E  | 
P1106  | Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage  | PCM  | DTC P1106 in Engine Controls - 4.3L or DTC P1106 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P1107  | Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage  | PCM  | DTC P1107 in Engine Controls - 4.3L or DTC P1107 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P1111  | Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage  | PCM  | DTC P1111 in Engine Controls - 4.3L or DTC P1111 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P1112  | Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage  | PCM  | DTC P1112 in Engine Controls - 4.3L or DTC P1112 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P1114  | Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage  | PCM  | DTC P1114 in Engine Controls - 4.3L or DTC P1114 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P1115  | Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage  | PCM  | DTC P1115 in Engine Controls - 4.3L or DTC P1115 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P1121  | Throttle Position (TP) Sensor Circuit Intermittent High Voltage  | PCM  | DTC P1121 in Engine Controls - 4.3L or DTC P1121 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P1122  | Throttle Position (TP) Sensor Circuit Intermittent Low Voltage  | PCM  | DTC P1122 in Engine Controls - 4.3L or DTC P1122 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P1125  | Accelerator Pedal Position (APP) System  | PCM  | DTC P1125 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P1133  | Insufficient Switching Bank 1 Sensor 1  | PCM  | DTC P1133 or P1153 in Engine Controls - 4.3L or DTC P1133 or P1153 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P1134  | HO2S Transition Time Ratio Bank 1 Sensor 1  | PCM  | DTC P1134 or P1154 in Engine Controls - 4.3L or DTC P1134 or P1154 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P1153  | HO2S Insufficient Switching Bank 2 Sensor 1  | PCM  | DTC P1133 or P1153 in Engine Controls - 4.3L or DTC P1133 or P1153 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P1154  | HO2S Transition Time Ratio Bank 2 Sensor 1  | PCM  | DTC P1134 or P1154 in Engine Controls - 4.3L or DTC P1134 or P1154 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P1258  | Engine Coolant Overtemperature - Protection Mode Active  | PCM  | DTC P1258 in Engine Cooling  | 
P1380  | Misfire Detected - Rough Road Data Not Available  | PCM  | DTC P1380 in Engine Controls - 4.3L or DTC P1380 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P1381  | Misfire Detected - No Communication With Brake Control Module  | PCM  | DTC P1381 in Engine Controls - 4.3L or DTC P1381 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P1516  | Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance  | PCM  | DTC P1516 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P1574  | Stoplamp Switch Circuit  | PCM  | DTC P1574 in Cruise Control  | 
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  | PCM  | DTC P1637 in Engine Electrical  | 
P1689  | Traction Control Delivered Torque Output Circuit  | EBCM, PCM  | DTC C0244 or P1689 in Antilock Brake System  | 
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  | 
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  | 
P2108  | Throttle Actuator Control (TAC) Module Performance  | PCM  | DTC P2108 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P2120  | Accelerator Pedal Position (APP) Sensor 1 Circuit  | PCM  | DTC P2120 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P2121  | Accelerator Pedal Position (APP) Sensor 1 Performance  | PCM  | DTC P2121 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P2125  | Accelerator Pedal Position (APP) Sensor 2 Circuit  | PCM  | DTC P2125 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P2135  | Throttle Position (TP) Sensor 1-2 Correlation  | PCM  | DTC P2135 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P2610  | Control Module Ignition Off Timer Performance  | PCM  | DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 4.3L or 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  | 
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  | 
P2A01  | HO2S Performance Bank 1 Sensor 2  | PCM  | DTC P2A01 or P2A04 in Engine Controls - 4.3L or DTC P2A01 or P2A04 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
P2A04  | HO2S Performance Bank 2 Sensor 2  | PCM  | DTC P2A01 or P2A04 in Engine Controls - 4.3L or DTC P2A01 or P2A04 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
U0107  | Lost Communications With Throttle Actuator Control (TAC) Module  | PCM  | DTC U0107 in Engine Controls - 4.8L, 5.3L, and 6.0L  | 
U1000  | Class 2 Data Link  | BCM, EBCM, IPC, PCM, Radio, RCDLR, SDM, VCIM  | DTC U1000 and U1255 in Computer/Integrating Systems  | 
U1016  | Lost Communications with Powertrain Control Module (PCM)  | BCM, EBCM, IPC, Radio, RCDLR, SDM, VCIM  | DTC U1001-U1254 in Computer/Integrating Systems  | 
U1041  | Lost Communications With Electronic Brake Control Module (EBCM)  | BCM, IPC, PCM, Radio, RCDLR, SDM, VCIM  | DTC U1001-U1254 in Computer/Integrating Systems  | 
U1064  | Lost Communications with Body Control Module (BCM)  | EBCM, IPC, PCM, Radio, RCDLR, SDM, VCIM  | DTC U1001-U1254 in Computer/Integrating Systems  | 
U1088  | Lost Communications with Sensing and Diagnostic Module (SDM)  | BCM, EBCM, IPC, PCM, Radio, RCDLR, VCIM  | DTC U1001-U1254 in Computer/Integrating Systems  | 
U1096  | Lost Communications with Instrument Panel Cluster (IPC)  | BCM, EBCM, PCM, Radio, RCDLR, SDM, VCIM  | DTC U1001-U1254 in Computer/Integrating Systems  | 
U1128  | Lost Communications With Radio  | SDM, VCIM  | DTC U1001-U1254 in Computer/Integrating Systems  | 
U1151  | Lost Communications with Vehicle Communications Interface Module (OnStar®)  | Radio  | DTC U1001-U1254 in Computer/Integrating Systems  | 
U1176  | Lost Communications With Remote Control Door Lock Receiver (RCDLR)  | BCM  | DTC U1001-U1254 in Computer/Integrating Systems  | 
U1255  | Class 2 Data Link  | BCM, EBCM, IPC, PCM, Radio, RCDLR, SDM, VCIM  | DTC U1000 and U1255 in Computer/Integrating Systems  | 
U1300  | Class 2 Data Link Low  | IPC, PCM, Radio, SDM, VCIM  | DTC U1300, U1301, or U1305 in Computer/Integrating Systems  | 
U1301  | Class 2 Data Link High  | IPC, PCM, Radio, SDM, VCIM  | DTC U1300, U1301, or U1305 in Computer/Integrating Systems  | 
U1305  | Class 2 Data Link Low or High  | BCM, RCDLR  | DTC U1300, U1301, or U1305 in Computer/Integrating Systems  | 
U1500  | Inter-device Dedicated Bus  | OnStar VCIM  | DTC U1500 in Cellular Communication  |