Trailer Brake Control (TBC) Module
TRAILER BRAKE CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| B1317 | Battery Voltage High | GO to PINPOINT TEST D . |
| B1318 | Battery Voltage Low | GO to PINPOINT TEST E . |
| B1342 | ECU is Faulted | REPAIR all other DTCs. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSTALL a new Trailer Brake Control (TBC) module. REFER to TRAILER BRAKE CONTROL (TBC) MODULE . |
| B1863 | TBC Ground Open Circuit | GO to PINPOINT TEST F . |
| C2806 | Trailer Brakes Wiring Circuit Short to Vbatt | GO to PINPOINT TEST A . |
| C2807 | Trailer Brakes Wiring Circuit Short to Ground | GO to PINPOINT TEST A . |
| U0100 | Lost Communication With ECM /PCM "B" | GO to PINPOINT TEST G . |
| U0121 | Lost Communication With Anti-Lock Brake System (ABS) Control Module | GO to PINPOINT TEST H . |
| U0140 | Lost Communication With Body Control Module (GEM) | GO to PINPOINT TEST I . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | GO to PINPOINT TEST J . |
| U0415 | Invalid Data Received from Anti-Lock Brake System (ABS) Control Module | This DTC indicates that the TBC module has received the brake pressure information sent from the ABS module, but that information does not agree with other sensor inputs. REFER to VEHICLE DYNAMIC SYSTEMS to diagnose the ABS module. |
| U2202 | Invalid Configuration Data Received | The Instrument Panel Cluster (IPC) is not configured for trailer brakes. REFER to PROGRAMMABLE PARAMETERS . CLEAR the DTCs. REPEAT the self-test. |