For 1990-2009 cars

This list includes all Data Communications related U-code DTCs in alphanumeric order with descriptors for all modules. Not all DTCs listed will be applicable to all vehicles.

DTC | DTC Descriptor
--- | ---
U0001 00 | High Speed CAN Bus Malfunction
U0002 00 | High Speed CAN Bus
U0020 00 | Low Speed CAN Bus
U0073 00 | Control Module Communication Bus A Off
U0073 01 | Control Module Communication Bus A Off
U0073 02 | Control Module Communication Bus A Off
U0073 04 | Control Module Communication Bus A Off
U0074 00 | Control Module Communication Bus B Off
U0100 00 | Lost Communication With Engine Control Module
U0100 71 | Lost Communication With Engine Control Module
U0101 00 | Lost Communication With Transmission Control Module
U0101 71 | Lost Communication With Transmission Control Module
U0102 00 | Lost Communication with Transfer Case Control Module
U0104 00 | Lost Communication With Cruise Control Module
U0104 02 | Lost Communication With Cruise Control Module
U0104 71 | Lost Communication With Cruise Control Module
U0109 00 | Lost Communication with Fuel Pump Control Module
U0115 00 | Lost Communication with ECM 2
U0117 00 | Lost Communication With Power Take-Off Control Module
U0121 00 | Lost Communication With Electronic Brake Control Module
U0121 03 | Lost Communication With Electronic Brake Control Module
U0121 71 | Lost Communication With Electronic Brake Control Module
U0121 72 | Lost Communication With Electronic Brake Control Module
U0121 74 | Lost Communication With Electronic Brake Control Module
U0122 00 | Lost Communication With Vehicle Stability Control Module
U0125 00 | Lost Communication With Multi-axis Acceleration Sensor Module
U0125 71 | Lost Communication With Multi-axis Acceleration Sensor Module
U0125 72 | Lost Communication With Multi-axis Acceleration Sensor Module
U0125 74 | Lost Communication With Multi-axis Acceleration Sensor Module
U0126 00 | Lost Communication With Steering Wheel Angle Sensor Module
U0126 71 | Lost Communication With Steering Wheel Angle Sensor Module
U0126 72 | Lost Communication With Steering Wheel Angle Sensor Module
U0126 74 | Lost Communication With Steering Wheel Angle Sensor Module
U0128 00 | Lost Communication With Park Brake Control Module
U0128 71 | Lost Communication With Park Brake Control Module
U0129 00 | Lost Communication with Brake System Control Module
U0130 00 | Lost Communication With Electric Power Steering Control Module
U0130 71 | Lost Communication With Electric Power Steering Control Module
U0130 72 | Lost Communication With Electric Power Steering Control Module
U0130 74 | Lost Communication With Electric Power Steering Control Module
U0136 00 | Lost Communication With Differential Control Module - Rear
U0136 71 | Lost Communication With Differential Control Module - Rear
U0139 00 | Lost Communication With Suspension Control Module
U0139 71 | Lost Communication With Suspension Control Module
U0140 00 | Lost Communication With Body Control Module
U0140 71 | Lost Communication With Body Control Module
U0140 72 | Lost Communication With Body Control Module
U0140 74 | Lost Communication With Body Control Module
U0146 00 | Lost Communication with Gateway
U0151 00 | Lost Communication With Inflatable Restraint Sensing and Diagnostic Module
U0155 00 | Lost Communication With Instrument Cluster
U0158 00 | Lost Communication With Head-Up Display
U0159 00 | Lost Communication With Parking Assist Control Module
U0160 00 | Lost Communication With Chime Alarm Control Module
U0164 00 | Lost Communication with HVAC Control Module
U0166 00 | Lost Communication with Auxiliary Heater Control Module
U0168 00 | Lost Communication With Keyless Entry Control Module
U0170 00 | Lost Communication With "Restraints System Sensor A"
U0181 00 | Lost Communication With Headlamp Leveling Control Module
U0182 00 | Lost Communication With Lighting Control Module - Front
U0184 00 | Lost Communication With Radio
U0186 00 | Lost Communication With Speaker Amplifier Module
U0196 00 | Lost Communication With Rear Audio Control Module
U0197 00 | Lost Communication With Telephone Control Module
U0198 00 | Lost Communication With Telematic Control Module
U0201 00 | Lost Communication With Transfer Case Control Module
U0208 00 | Lost Communication With Memory Seat Control Module
U0230 00 | Lost Communication With Liftgate Control Module
U0236 00 | Lost Communication With Steering Column Lock Module
U023A 00 | Lost Communication With Vehicle Direction Camera Control Module
U0252 00 | Lost Communication With Trailer Interface Module
U0254 00 | Lost Communication With Remote Start Module
U0264 00 | Lost Communication With Camera Module - Rear
U0293 00 | Lost Communication with with HP2 Powertrain Control Module
U0301 00 | Software Incompatibility with Engine Control Module
U0315 00 | Software Incompatibility with Electronic Brake Control Module
U0401 00 | Invalid Data Received from ECM
U0401 72 | Invalid Data Received from ECM
U0401 74 | Invalid Data Received from ECM
U0402 72 | Invalid Data Received From Transmission Control Module
U0402 73 | Invalid Data Received From Transmission Control Module
U0402 74 | Invalid Data Received From Transmission Control Module
U0405 00 | Invalid Data Received From Cruise Control Module
U0415 00 | Invalid Data Received From Electronic Brake Control Module
U0415 72 | Invalid Data Received From Electronic Brake Control Module
U0415 74 | Invalid Data Received From Electronic Brake Control Module
U0422 00 | Invalid Data Received From Body Control Module
U0422 70 | Invalid Data Received From Body Control Module
U0422 72 | Invalid Data Received From Body Control Module
U0422 74 | Invalid Data Received From Body Control Module
U0424 00 | Invalid Data Received From HVAC Control Module
U0432 00 | Invalid Data Received From Multi-axis Acceleration Sensor Module
U0432 72 | Invalid Data Received From Multi-axis Acceleration Sensor Module
U0432 74 | Invalid Data Received From Multi-axis Acceleration Sensor Module
U0465 00 | Invalid Data Received From Power Take-Off Control Module
U1501 00 | LIN Bus 1
U1502 00 | LIN Bus 2
U1510 00 | LIN Bus 1 Lost Communication With Device 0
U1511 00 | LIN Bus 1 Lost Communication With Device 1
U1512 00 | LIN Bus 1 Lost Communication With Device 2
U1513 00 | LIN Bus 1 Lost Communication With Device 3
U1514 00 | LIN Bus 1 Lost Communication With Device 4
U1517 00 | LIN Bus 1 Lost Communication With Device 7
U151A 00 | LIN Bus 1 Lost Communication With Device 10
U151B 00 | LIN Bus 1 Lost Communication With Device 11
U1520 00 | LIN Bus 2 Lost Communication With Device 0
U1521 00 | LIN Bus 2 Lost Communication With Device 1
U1522 00 | LIN Bus 2 Lost Communication With Device 2
U1523 00 | LIN Bus 2 Lost Communication With Device 3
U1524 00 | LIN Bus 2 Lost Communication With Device 4
U152D 00 | LIN Bus 2 Lost Communication With Device 13
U1530 00 | LIN Bus 3 Lost Communication With Device 0
U1534 00 | LIN Bus 3 Lost Communication With Device 4
U1538 00 | LIN Bus 3 Lost Communication With Device 8
U1540 00 | LIN Bus 3 Lost Communication With Device 0
U1544 00 | LIN Bus 3 Lost Communication With Device 4
U1814 02 | Powertrain Wake Up Communication Circuit
U18B9 00 | Primary High Speed CAN Bus Subnet Configuration List
U18BF 00 | Secondary High Speed CAN Bus Subnet Configuration List
U2099 02 | High Speed Communication Enable Circuit
U2100 00 | CAN Bus Communication
U2101 00 | CAN Bus Maximum Configuration List
U2103 00 | Fewer Controllers On Bus Than Programmed
U2105 00 | Lost Communication with Engine Control Module
U2106 00 | Lost Communication with Transmission Control Module
U2107 00 | Lost Communication with Body Control Module
U2108 00 | Lost Communication with Electronic Brake Control Module
U2127 00 | Lost Communication with Front HVAC Control Module
U2139 00 | Lost Communication with Column Integrated Module
U2144 00 | Lost Communication with Distance Sensing Cruise Control Module
U2176 00 | Lost Communication with Power Take-Off Control Module
U2178 00 | Lost Communication With Trailer Interface Control Module