Module Communications Network DTCS
COMMUNICATION NETWORK DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| U0002 | High Speed CAN Communication Bus Performance | IC | The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool. |
| U0020 | Low Speed CAN Communication Bus Performance | IC | The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool. |
| U0073 | Control Module Communication Bus A Off | ABS module | The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool. |
| U0073 | Control Module Communication Bus A Off | Headlamp control module (HCM) | The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool. |
| U0073 | Control Module Communication Bus A Off | HVAC module | The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool. |
| U0100 | Lost Communication With ECM/PCM | HCM | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test A under PINPOINT TESTS . |
| U0100 | Lost Communication With ECM/PCM | IC | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test A under PINPOINT TESTS . |
| U0100 | Lost Communication With ECM/PCM | Occupant classification system module (OCSM) | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test A under PINPOINT TESTS . |
| U0100 | Lost Communication With ECM/PCM | Restraints control module (RCM) | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test A under PINPOINT TESTS . |
| U0100 | Lost Communication With ECM/PCM | 4X4 control module | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test A under PINPOINT TESTS . |
| U0102 | Lost Communication With Transfer Case Control Module (4x4CM) | IC | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test D under PINPOINT TESTS . |
| U0115 | Lost Communication With ECM/PCM - Secondary (SPCM) | ABS module | DISREGARD this DTC as it may have been set during module reprogramming. |
| U0121 | Lost Communication With Anti-Lock Brake System (ABS) Control Module | IC | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test B under PINPOINT TESTS . |
| U0121 | Lost Communication With Anti-Lock Brake System (ABS) Control Module | 4X4 control module | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test b under PINPOINT TESTS . |
| U0126 | Lost Communication With Steering Angle Sensor Module | ABS module | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test G under PINPOINT TESTS . |
| U0140 | Lost Communication With Body Control Module (GEM) | Driver seat module (DSM) | Go to Pinpoint Test I . |
| U0140 | Lost Communication With Body Control Module (GEM) | HVAC module | Go to Pinpoint Test I . |
| U0140 | Lost Communication With Body Control Module (GEM) | IC | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test I under PINPOINT TESTS . |
| U0140 | Lost Communication With Body Control Module (GEM) | Liftgate/trunk module (LTM) | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test I under PINPOINT TESTS . |
| U0140 | Lost Communication With Body Control Module (GEM) | Parking aid module (PAM) | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test I under PINPOINT TESTS . |
| U0151 | Lost Communication With Restraints Control Module | IC | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test C under PINPOINT TESTS . |
| U0151 | Lost Communication With Restraints Control Module | OCSM | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test C under PINPOINT TESTS . |
| U0154 | Lost Communication With Restraints Occupant Classification System Module (OCS) | RCM | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test E under PINPOINT TESTS . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | ABS module | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test H under PINPOINT TESTS . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | DSM | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test H under PINPOINT TESTS . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | HCM | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test H under PINPOINT TESTS . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | HVAC module | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test H under PINPOINT TESTS . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | LTM | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test H under PINPOINT TESTS . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | PAM | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test H under PINPOINT TESTS . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | SJB | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test H under PINPOINT TESTS . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | Steering angle sensor module (SASM) | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test H under PINPOINT TESTS . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | 4X4 control module | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test H under PINPOINT TESTS . |
| U0159 | Lost Communication With Parking Assist Control Module (PAM) | ACM | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test Q under PINPOINT TESTS . |
| U0159 | Lost Communication With Parking Assist Control Module (PAM) | IC | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test Q under PINPOINT TESTS . |
| U0164 | Lost Communication With HVAC Control Module (EATC) | IC | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test J under PINPOINT TESTS . |
| U0208 | Lost Communication With Seat Control Module (DSM) | IC | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test O under PINPOINT TESTS . |
| U0230 | Lost Communication With Rear Gate Module (LTM) | IC | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test R under PINPOINT TESTS . |
| U0241 | Lost Communication With Headlamp Control Module (HCM) | IC | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test F under PINPOINT TESTS . |
| U0246 | Lost Communication With Seat Control Module (DCSM) | HVAC module | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, go to Pinpoint Test P under PINPOINT TESTS . |
| U0401 | Invalid Data Received from ECM/PCM A | RCM | RETRIEVE and FOLLOW DTCs from the PCM. |
| U0401 | Invalid Data Received from ECM/PCM A | 4X4 control module | RETRIEVE and FOLLOW DTCs from the PCM. |
| U0415 | Invalid Data Received from Anti-Lock Brake System (ABS) Control Module | 4X4 control module | RETRIEVE and FOLLOW DTCs from the ABS module. |
| U0455 | Invalid Data Received From Restraints Occupant Classification System Module | RCM | RETRIEVE and FOLLOW DTCs from the OCSM. |
| U2196 | Invalid 'Engine RPM' Data | HCM | RETRIEVE and FOLLOW DTCs from the PCM. |