Module Communications Network DTCS
COMMUNICATION NETWORK DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| U0002 | High Speed CAN Communication Bus Performance | Instrument cluster (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. |
| U0011 | Medium 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. |
| U0028 | Vehicle Communication Bus A | ABS module | REFER to VEHICLE DYNAMIC SYSTEMS article. |
| U0073 | Control Module Communication 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 | Go to Pinpoint Test A . |
| U0100 | Lost Communication With ECM/PCM | Restraints control module (RCM) | Go to Pinpoint Test A . |
| U0115 | Lost Communication With ECM/PCM - Secondary (SPCM) | ABS module | Go to Pinpoint Test A . |
| U0121 | Lost Communication With Anti-Lock Brake System (ABS) Control Module | IC | Go to Pinpoint Test B . |
| U0151 | Lost Communication With Restraints Control Module (RCM) | IC | Go to Pinpoint Test E . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | Vehicle security module (VSM) | If the IC failed the network test, go to Pinpoint Test C . Otherwise, REFER to INSTRUMENT CLUSTER (IC) AND WARNING CHIMES article. |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | ABS module | If the IC failed the network test, go to Pinpoint Test C . Otherwise, REFER to INSTRUMENT CLUSTER (IC) AND WARNING CHIMES article. |
| U0168 | Lost Communication With Vehicle Security Control Module | IC | Go to Pinpoint Test D . |
| U2023 | Fault Received From External Node | Instrument cluster | U2023 is set when a module receives invalid network data from another module with a faulted input. RETRIEVE and REPAIR all non-network DTCs in the other modules on the network. REFER to MULTIFUNCTION ELECTRONIC MODULES article for a list of all DTCs. |
| U2023 | Fault Received From External Node | RCM | U2023 is set when a module receives invalid network data from another module with a faulted input. RETRIEVE and REPAIR all non-network DTCs in the other modules on the network. REFER to MULTIFUNCTION ELECTRONIC MODULES article for a list of all DTCs. |
| U2023 | Fault Received From External Node | VSM | U2023 is set when a module receives invalid network data from another module with a faulted input. RETRIEVE and REPAIR all non-network DTCs in the other modules on the network. REFER to MULTIFUNCTION ELECTRONIC MODULES article for a list of all DTCs. |
| U2510 | CAN - Invalid Data For Vehicle Security | IC | REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) article. |
| U2511 | CAN - Data Mis-Match (Receive Data Does Not Match Expected) | IC | REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) article. |