Module Communications Network DTCS
COMMUNICATION NETWORK DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| U0002 | High Speed CAN Communication Bus Performance | Instrument cluster | For the module that failed the network test, go to Symptom Chart. |
| U0073 | Control Module Communication Bus Off | Air suspension 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 Off | Anti-lock brake system (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. |
| U0100 | Lost Communication With ECM/PCM | Air suspension module | The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool. |
| U0140 | Lost Communication With Body Control Module (GEM) | Air suspension module | For the module that failed the network test, go to Symptom Chart. |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | Air suspension module | For the module that failed the network test, go to Symptom Chart. |
| U0184 | Lost Communication With Radio (ACM) | Rear audio/climate control module | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article. |
| U1016 | SCP (J1850) Invalid or Missing Data for Primary Id $10 [Powertrain Control Module, PCM] | Navigation module | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article. |
| U1040 | SCP (J1850) Invalid or Missing Data for Vehicle Speed | Electronic automatic temperature control (EATC) module | RETRIEVE and FOLLOW non-network DTCs in the PCM. |
| U1041 | SCP (J1850) Invalid or Missing Data for Vehicle Speed | Driver door module (DDM) | RETRIEVE and FOLLOW non-network DTCs in the PCM. |
| U1041 | SCP (J1850) Invalid or Missing Data for Vehicle Speed | 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 | RETRIEVE and FOLLOW non-network DTCs in the PCM. |
| U1059 | SCP (J1850) Invalid or Missing Data for Transmission / Transaxle / PRNDL | LCM | RETRIEVE and FOLLOW non-network DTCs in the PCM. |
| U1073 | SCP (J1850) Invalid or Missing Data for Engine Coolant | EATC module | RETRIEVE and FOLLOW non-network DTCs in the PCM. |
| U1112 | SCP (J1850) Invalid or Missing Data for Primary Id $70 [Lighting control module, LCM] | EATC module | RETRIEVE and FOLLOW non-network DTCs in the LCM. |
| U1135 | SCP (J1850) Invalid or Missing Data for Ignition Switch / Starter | DDM | RETRIEVE and FOLLOW non-network DTCs in the LCM. |
| U1178 | SCP (J1850) Invalid or Missing Data for Climate Control (HVAC) | Rear audio/climate control module | 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 | For the module that failed the network test, go toSymptom Chart . |
| U1900 | CAN Communication Bus Fault - Receive Error | ABS module | For the module that failed the network test, go to Symptom Chart. |
| U1900 | CAN Communication Bus Fault - Receive Error | Instrument cluster | For the module that failed the network test, go to Symptom Chart. |
| U2003 | Audio Compact Disk / Disk Jockey Unit is Not Responding | Navigation module | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article. |
| U2005 | Audio Rear Integrated Control Panel Unit / RDM is Not Responding | Navigation module | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article. |
| U2008 | Audio Phone is Not Responding | Navigation module | DISREGARD this DTC. |
| U2011 | Module Transmitted Invalid Data (Non SCP) | Air suspension module | RETRIEVE and FOLLOW non-network DTCs in the DDM. |
| U2013 | Compass Module is not Responding | Instrument cluster | REFER to INFORMATION AND MESSAGE CENTER article. |
| U2023 | Fault Received From External Node | ABS module | RETRIEVE and FOLLOW non-network DTCs from other modules. |
| U2023 | Fault Received From External Node | Instrument cluster | RETRIEVE and FOLLOW non-network DTCs from other modules. |
| U2024 | Audio Redundant Steering Wheel Control not responding | Navigation module | REFER to the symptom chart in INFORMATION AND ENTERTAINMENT SYSTEMS article. |