Module Communications Network DTCS
COMMUNICATION NETWORK DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Action |
|---|---|---|---|
| U0001:88 | High Speed CAN Communication Bus: Bus 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. |
| 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 . |
| U0100:00 | Lost Communication With ECM/PCM "A": No Sub Type Information | ABS module APIM (late build) | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST A . |
| U0100:88 | Lost Communication With ECM/PCM "A": Bus Off | SRM (early build) | 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. |
| 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 . |
| U0125:00 | Lost Communication With Multi-Axis Acceleration Sensor Module: No Sub Type Information | ABS module | REFER to ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL . |
| U0125:88 | Lost Communication With Multi-Axis Acceleration Sensor Module: Bus Off | ABS module | REFER to ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL . |
| U0126:00 | Lost Communication With Steering Angle Sensor Module: No Sub Type Information | ABS module | REFER to ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL . |
| U0126 | Lost Communication With Steering Angle Sensor Module | IC | REFER to ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL . |
| U0127 | Lost Communication With Tire Pressure Monitor Module | IC | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST J . |
| U0140 | Lost Communication With Body Control Module (GEM) | ACM (early build) | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST K . |
| U0140:00 | Lost Communication With Body Control Module (GEM): No Sub Type Information | APIM (late build) | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST K . |
| U0146 | Lost Communication With Gateway | GEM | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST C . |
| U0151 | Lost Communication With Restraints Control Module | GEMICOCSM | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST I . |
| U0151:00 | Lost Communication With Restraints Control Module: No Sub Type Information | APIM (late build) | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST I . |
| 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 H . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Module | ACM (early build) GEMRCM TPMS module | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST C . |
| U0155:00 | Lost Communication With Instrument Panel Cluster (IC) Module: No Sub Type Information | ABS module APIM (late build) | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST C . |
| U0184:00 | Lost Communication With Radio: No Sub Type Information | APIM (late build) | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST E (Bluetooth Hands-Free System) or INFORMATION AND ENTERTAINMENT SYSTEMS (SYNC®). |
| U0238 | Lost Communication With Digital Audio Control Module "D" (DSP) | ACM (early build) IC | CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST E . |
| U0401:00 | Invalid Data Received from ECM/PCM A: No Sub Type Information | ABS module | RETRIEVE and FOLLOW the DTCs from the PCM. |
| U0402:00 | Invalid Data Received from TCM : No Sub Type Information | ABS module | RETRIEVE and FOLLOW the DTCs from the PCM. |
| U0423:00 | Invalid Data Received from Instrument Panel Cluster Control (IC) Module: No Sub Type Information | APIM (late build) | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS . |
| U0428:00 | Invalid Data Received from Steering Angle Sensor Module: No Sub Type Information | ABS module | REFER to ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL . |
| U0428:41 | Invalid Data Received from Steering Angle Sensor Module: General Checksum Failure | ABS module | REFER to ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL . |
| U0428:61 | Invalid Data Received from Steering Angle Sensor Module: Signal Calculation Failure | ABS module | REFER to ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL . |
| U0428:62 | Invalid Data Received from Steering Angle Sensor Module: Signal Compare Failure | ABS module | REFER to ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL . |
| U0428:64 | Invalid Data Received from Steering Angle Sensor Module: Signal Plausibility Failure | ABS module | REFER to ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL . |
| U0485:00 | Invalid Data Received from Radio: No Sub Type Information | APIM (late build) | REFER to INFORMATION AND ENTERTAINMENT SYSTEMS . |
| U1900 | CAN Communication Bus Fault-Receive Error | ABS module | GO to SYMPTOM CHART for module that failed network test. |
| U2012 | Communication Bus Error (Non SCP) | 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. |
| U2023 | Fault Received From External Node | IC TPMS 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 . |
| U2196 | Invalid 'Engine RPM' Data | IC | 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 . |
| U2197 | Invalid 'Vehicle Speed' Data | IC | 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 . |
| U2198 | Invalid 'Fuel Pulse' Data | IC | 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 . |
| U2199 | Invalid 'Engine Coolant Temperature' Data | IC | 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 . |
| U2200 | Invalid 'ODO Count' Data | IC | 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 'Vehicle Security' Data | IC | REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) . |
| U2511 | CAN Data Mis-Match (Receive Data Does Not Match Expected) | IC | REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) . |
| U3000:88 | Control Module: Bus Off | APIM (late build) | The module could not communicate on the network at a point in time. The fault is not currently present (the module had to communicate with the scan tool to report this DTC). CLEAR the DTC. REPEAT the Network Test with the scan tool. VERIFY the integrity of the connectors and wiring. Refer to MODULE COMMUNICATIONS NETWORK for schematic and connector information. |