Module Communications Network DTCS
MODULE COMMUNICATIONS NETWORK DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Action |
|---|---|---|---|
| U0002 | High Speed CAN Communication Bus Performance | Instrument cluster | 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 | Instrument cluster | 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 | Electronic automatic temperature control (EATC) 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 | Smart junction box (SJB) | 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 | Transmission control module (TCM) | 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 | Four wheel drive (4WD) control 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 | TCM | 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. |
| U0101 | Lost Communication With TCM | 4WD control module | CLEAR the DTC. REPEAT the network test with the scan tool. FOLLOW the appropriate pinpoint test for the module which fails the network test. |
| U0121 | Lost Communication With Anti-Lock Brake System (ABS) Control Module | 4WD control module | CLEAR the DTC. REPEAT the network test with the scan tool. FOLLOW the appropriate pinpoint test for the module which fails the network test. |
| U0140 | Lost Communication With Body Control Module (GEM) | Audio unit | CLEAR the DTC. REPEAT the network test with the scan tool. FOLLOW the appropriate pinpoint test for the module which fails the network test. |
| U0140 | Lost Communication With Body Control Module (GEM) | EATC | CLEAR the DTC. REPEAT the network test with the scan tool. FOLLOW the appropriate pinpoint test for the module which fails the network test. |
| U0155 | Lost Communication With Instrument Cluster Module | Audio unit | CLEAR the DTC. REPEAT the network test with the scan tool. FOLLOW the appropriate pinpoint test for the module which fails the network test. |
| U0155 | Lost Communication With Instrument Cluster Module | THX® amplifier | CLEAR the DTC. REPEAT the network test with the scan tool. FOLLOW the appropriate pinpoint test for the module which fails the network test. |
| U0155 | Lost Communication With Instrument Cluster Module | EATC | CLEAR the DTC. REPEAT the network test with the scan tool. FOLLOW the appropriate pinpoint test for the module which fails the network test. |
| U0155 | Lost Communication With Instrument Cluster Module | 4WD control module | CLEAR the DTC. REPEAT the network test with the scan tool. FOLLOW the appropriate pinpoint test for the module which fails the network test. |
| U0159 | Lost Communication With Parking Assist Control Module (PAM) | Audio unit | DISREGARD this DTC. |
| U0184 | Lost Communication With Radio (ACM) | Satellite digital audio radio system (SDARS) | CLEAR the DTC. REPEAT the network test with the scan tool. FOLLOW the appropriate pinpoint test for the module which fails the network test. |
| U0184 | Lost Communication With Radio (ACM) | THX® amplifier | CLEAR the DTC. REPEAT the network test with the scan tool. FOLLOW the appropriate pinpoint test for the module which fails the network test. |
| U0193 | Lost Communication With Digital Audio Control Module (SDARS) | Audio unit | CLEAR the DTC. REPEAT the network test with the scan tool. FOLLOW the appropriate pinpoint test for the module which fails the network test. |
| U0196 | Lost Communication With Entertainment Control Module - Rear (AUX) | Audio unit | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS . |
| U0196 | Lost Communication With Entertainment Control Module - Rear (AUX) | SDARS | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS . |
| U0196 | Lost Communication With Entertainment Control Module - Rear (AUX) | THX® amplifier | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS . |
| U0197 | Lost Communication With Telephone Control Module | Audio unit | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS . |
| U0197 | Lost Communication With Telephone Control Module | SDARS | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS . |
| U0238 | Lost Communication With Digital Audio Control Module "D" (DSP) | Audio unit | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS . |
| U0246 | Lost Communication With Seat Control Module (DCSM) | EATC | CLEAR the DTC. REPEAT the network test with the scan tool. FOLLOW the appropriate pinpoint test for the module which fails the network test. |
| U0249 | Lost Communication With Entertainment Control Module - Rear "B" (RCU) | Audio unit | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS . |
| U0249 | Lost Communication With Entertainment Control Module - Rear "B" (RCU) | SDARS | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS . |
| U0255 | Lost Communication With Front Controls Interface Module | SDARS | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS . |
| U0256 | Lost Communication With Front Display Interface Module | SDARS | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS . |
| U0401 | Invalid Data Received from ECM/PCM A | 4WD control module | RETRIEVE and FOLLOW the DTCs from the PCM. |
| U0402 | Invalid Data Received from TCM | 4WD control module | RETRIEVE and FOLLOW the DTCs from the TCM. |
| U0415 | Invalid Data Received from Anti-Lock Brake System (ABS) Control Module | 4WD control module | RETRIEVE and FOLLOW the DTCs from the ABS module. |
| U1900 | CAN Communication Bus Fault-Receive Error | ABS module | Go to SYMPTOM CHART for module that failed network test. |
| U1900 | CAN Communication Bus Fault-Receive Error | Audio unit | Go to SYMPTOM CHART for module that failed network test. |
| U1900 | CAN Communication Bus Fault-Receive Error | Driver seat module (DSM) | Go to SYMPTOM CHART for module that failed network test. |
| U1900 | CAN Communication Bus Fault-Receive Error | Instrument cluster | Go to SYMPTOM CHART for module that failed network test. |
| U1900 | CAN Communication Bus Fault-Receive Error | RCM | Go to SYMPTOM CHART for module that failed network test. |
| U1900 | CAN Communication Bus Fault-Receive Error | SJB | Go to SYMPTOM CHART for module that failed network test. |
| U1900 | CAN Communication Bus Fault-Receive Error | Occupant classification system module | Go to SYMPTOM CHART for module that failed network test. |
| U1901 | CAN Network #2 Communication Bus Fault - Receive Error | ABS module | REFER to VEHICLE DYNAMIC SYSTEMS . |
| U1901 | CAN Network #2 Communication Bus Fault - Receive Error | Instrument cluster | REFER to INSTRUMENT CLUSTER . |
| U2013 | Compass Module is not Responding | Instrument cluster | RETRIEVE and FOLLOW the non-network DTCs from other modules. REFER to INFORMATION AND MESSAGE CENTER . |
| U2023 | Fault Received From External Node | ABS module | The module had an invalid network input/message from another module. RETRIEVE and FOLLOW the non-network DTCs from other modules. REFER to MULTIFUNCTION ELECTRONIC MODULES . |
| U2023 | Fault Received From External Node | Instrument cluster | The module had an invalid network input/message from another module. RETRIEVE and FOLLOW the non-network DTCs from other modules. REFER to MULTIFUNCTION ELECTRONIC MODULES . |
| U2473 | Unexpected Vehicle Speed (VSS) | Audio unit | The module had an invalid network input/message from another module. RETRIEVE and FOLLOW the non-network DTCs from other modules. REFER to MULTIFUNCTION ELECTRONIC MODULES . |
| U2510 | CAN - Invalid data for Vehicle Security. | Instrument cluster | The module had an invalid network input/message from another module. RETRIEVE and FOLLOW the non-network DTCs from other modules. REFER to MULTIFUNCTION ELECTRONIC MODULES . |
| U2511 | CAN - Data Mis-Match (Receive data does not match expected) | Instrument cluster | The module had an invalid network input/message from another module. RETRIEVE and FOLLOW the non-network DTCs from other modules. REFER to MULTIFUNCTION ELECTRONIC MODULES . |