Auxiliary Brake System DTCS
DTC INDEX
| 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 | INSPECT for a stuck or damaged manual sliding lever and gain control buttons. REPAIR or CLEAR any obstructions or foreign material. REPAIR all other DTCs before repairing B1342. CLEAR the DTCs. TEST the system for normal operation.
NOTE:
It takes 2 minutes for the Trailer Brake Control (TBC) module to set this DTC due to a stuck manual sliding lever or a stuck gain control button. 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 ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL 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. |