Trailer Brake Control (TBC) Module Diagnostic Trouble Code (DTC) Index
WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
TRAILER BRAKE CONTROL (TBC) MODULE DIAGNOSTIC TROUBLE CODE (DTC) INDEX
| DTC | Description | Source | Action |
|---|---|---|---|
| B1317 | Battery Voltage High | TBC Module | GO to PINPOINT TEST B . |
| B1318 | Battery Voltage Low | TBC Module | GO to PINPOINT TEST B . |
| B1342 | ECU is Faulted | TBC Module | REPAIR all other DTCs. CLEAR the DTCs. TEST the system for normal operation. If the DTC returns, INSTALL a new TBC. REFER to TRAILER BRAKE CONTROL (TBC) MODULE . |
| B1863 | TBC Ground Open Circuit | TBC Module | GO to PINPOINT TEST A . |
| C2797 | Brake Pressure Transducer Supply Short to Battery | TBC Module | GO to PINPOINT TEST C . |
| C2798 | Brake Pressure Transducer Supply Short to Ground | TBC Module | GO to PINPOINT TEST C . |
| C2800 | Brake Pressure Transducer Sense Circuit Open | TBC Module | GO to PINPOINT TEST C . |
| C2801 | Brake Pressure Transducer Sense Short to Ground | TBC Module | GO to PINPOINT TEST C . |
| C2803 | Brake Pressure Transducer Sense Circuit Failure | TBC Module | GO to PINPOINT TEST C . |
| C2806 | Trailer Brakes Wiring Circuit Short to Battery | TBC Module | If DTC C2806 is only present with a trailer connected to the trailer tow connector, SEND the trailer to an authorized camper/trailer repair center. If DTC C2806 is present without a trailer connected, RECORD and CLEAR the DTCs. CYCLE the ignition switch and RETRIEVE any DTCs. If DTC C2806 returns (without a trailer connected to the trailer tow connector), GO to PINPOINT TEST D . For all other returning DTCs, CARRY OUT the action for any returning DTCs. |
| C2807 | Trailer Brakes Wiring Circuit Short to Ground | TBC Module | If DTC C2807 is only present with a trailer connected to the trailer tow connector, SEND the trailer to an authorized camper/trailer repair center. If DTC C2807 is present without a trailer connected, RECORD and CLEAR the DTCs. CYCLE the ignition switch and RETRIEVE any DTCs. If DTC C2807 returns (without a trailer connected to the trailer tow connector), GO to PINPOINT TEST D . For all other returning DTCs, CARRY OUT the action for any returning DTCs. |
| C2808 | Trailer Brakes Output Overload | TBC Module | If DTC C2808 is only present with a trailer connected to the trailer tow connector, SEND the trailer to an authorized camper/trailer repair center. If DTC C2808 is present without a trailer connected, RECORD and CLEAR the DTCs. CYCLE the ignition switch and RETRIEVE any DTCs. If DTC C2808 returns (without a trailer connected to the trailer tow connector), GO to PINPOINT TEST D . For all other returning DTCs, CARRY OUT the action for any returning DTCs. |
| U1900 | CAN Communication Bus Fault-Receive Error | TBC Module | GO to PINPOINT TEST A . |