Communication System DTCS (U Codes)
COMMUNICATION SYSTEM DIAGNOSTIC TROUBLE CODE CHART
| DTC | Description | Source | Action |
|---|---|---|---|
| U0001 | High Speed CAN Communication Bus | TBCM | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0073 | Control Module Communication Bus Off | SJB | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0073 | Control Module Communication Bus Off | TBCM | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0073 | Control Module Communication Bus Off | TCM | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0073 | Control Module Communication Bus Off | ABS Module | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0073 | Control Module Communication Bus Off | Power Steering Control Module | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0100 | Lost Communication with ECM/PCM | TBCM | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0100 | Lost Communication With ECM/PCM | TCM | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0100 | Lost Communication with PCM | 4WD Control Module | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0101 | Lost Communication with Transaxle Control Module | TBCM | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0101 | Lost Communication with Transaxle Control Module | PCM | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0111 | Lost Communication With Battery Energy Control Module | TCM | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0111 | Lost Communication With Battery Energy Control Module | PCM | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0121 | Lost Communication with ABS Module | 4WD Control Module | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0129 | Lost Communication with ABS Module | TCM | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0129 | Lost Communication with ABS Module | PCM | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0155 | Lost Communication with Instrument Cluster | PCM | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0294 | Lost Communication With Powertrain Control Monitor Module | TCM | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0300 | Internal Control Module Software Incompatibility | TBCM | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0300 | Internal Control Module Software Incompatibility | PCM | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0401 | Invalid Data Received From ECM/PCM | TBCM | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0401 | Invalid Data Received From PCM | 4WD Control Module | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0402 | Invalid Data Received From Transaxle Control Module | TBCM | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0415 | Invalid Data Received From ABS Module | 4WD Control Module | REFER to MODULE COMMUNICATIONS NETWORK . |
| U0418 | Invalid Data Received From Brake System Control Module | PCM | REFER to MODULE COMMUNICATIONS NETWORK . |
| U1900 | CAN Communication Bus Fault Receive Error | SJB | REFER to MODULE COMMUNICATIONS NETWORK . |
| U1900 | CAN Communication Bus Fault Receive Error | 4WD Control Module | REFER to MODULE COMMUNICATIONS NETWORK . |
| U1900 | CAN Communication Bus Fault - Receive Error | Power Steering Control Module | REFER to MODULE COMMUNICATIONS NETWORK . |
| U1900 | CAN Communication Bus Fault Receive Error | Instrument Cluster | REFER to MODULE COMMUNICATIONS NETWORK . |
| U1900 | CAN Communication Bus Fault - Receive Error | ABS Module | REFER to MODULE COMMUNICATIONS NETWORK . |
| U1901 | CAN Network #2 Communication Bus Fault -Receive Error | ABS Module | REFER to ANTI-LOCK CONTROL . |
| U2013 | Compass Module is Not Responding | Instrument Cluster | REFER to MODULE COMMUNICATIONS NETWORK . |
| U2023 | External Node Fault DTC | ABS Module | REFER to MODULE COMMUNICATIONS NETWORK . |
| U2023 | Fault Received From External Node | SJB | REFER to MODULE COMMUNICATIONS NETWORK . |
| U2050 | No Application Present | ABS Module | REFER to MODULE COMMUNICATIONS NETWORK . |
| U2050 | No Application Present | SJB | REFER to MODULE COMMUNICATIONS NETWORK . |
| U2050 | No Application Present | TCM | REFER to MODULE COMMUNICATIONS NETWORK . |
| U2051 | One or More Calibration Files Missing/Corrupt | SJB | REFER to MODULE COMMUNICATIONS NETWORK . |
| U2060 | ECU Redundant Power Circuit Open | ABS Module | Fuse destroyed, cable not connected or short circuit to GND. The central processing unit (CPU) has a different supply-cable to the battery. If this DTC is logged, the CPU is supplied with the voltage of the valves. This causes interference and must be repaired. REFER to ANTI-LOCK CONTROL . |
| U2197 | Vehicle Speed Sensor Abnormal | Power Steering Control Module | REFER to STEERING SYSTEM-GENERAL INFORMATION . |
| U2499 | ECU Overheat Protection | Power Steering Control Module | REFER to STEERING SYSTEM-GENERAL INFORMATION . |
| U2514 | Missing Message for Vehicle Speed | Power Steering Control Module | REFER to STEERING SYSTEM-GENERAL INFORMATION . |
| U2516 | CAN bus off - Transmit Error | ABS Module | REFER to MODULE COMMUNICATIONS NETWORK . |
| U2516 | CAN Bus Off - Transmit Error | Power Steering Control Module | REFER to MODULE COMMUNICATIONS NETWORK . |
| U2527 | CAN network #2 bus off -Transmit Error | ABS Module | REFER to ANTI-LOCK CONTROL . |