Module Communications Network DTCS
Module Communication Network DTC Chart
| DTC | Description | Source | Action |
|---|---|---|---|
| U0073 | Control Module Communication Bus A Off | ABS module Vehicle Dynamics Module (VDM) |
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 | ABS module VDM |
CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST A . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC ) Control Module | VDM | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST C . |
| U1041 | SCP (J1850) Invalid or Missing Data for Vehicle Speed | Driver Door Module (DDM) Lighting Control Module (LCM) |
RETRIEVE and FOLLOW non-network DTCs in the PCM. |
| U1059 | SCP (J1850) Invalid or Missing Data for Transmission/Transaxle/PRNDL | DDM LCM |
RETRIEVE and FOLLOW non-network DTCs in the PCM. |
| U1073 | SCP (J1850) Invalid or Missing Data for Engine Coolant | HVAC module | RETRIEVE and FOLLOW non-network DTCs in the PCM. |
| U1135 | SCP (J1850) Invalid or Missing Data for Ignition Switch/Starter | DDM | RETRIEVE and FOLLOW non-network DTCs in the LCM . |
| U1197 | SCP (J1850) Invalid or Missing Data for Door Locks | LCM | RETRIEVE and FOLLOW non-network DTCs in the DDM . |
| U1199 | SCP (J1850) Invalid or Missing Data for External Access (Doors) | LCM | RETRIEVE and FOLLOW non-network DTCs in the DDM . |
| U1262 | SCP Communication Bus Fault | Instrument Cluster (IC) | For the module that failed the network test, GO to SYMPTOM CHART . |
| U1900 | CAN Communication Bus Fault - Receive Error | Fire Suppression System Module (FSSM) IC |
For the module that failed the network test, GO to SYMPTOM CHART . |
| U2011 | Module Transmitted Invalid Data (Non SCP ) | VDM | Invalid air suspension operating state data was transmitted. RETRIEVE and FOLLOW non-network DTCs in the DDM . |
| U2023 | Fault Received From External Node | IC | RETRIEVE and FOLLOW non-network DTCs from other modules. |