Trailer Brake Control Module
Description and Operation
Testing and Inspection- Initial Inspection and Diagnostic Overview
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Test A: DTC B1863 - TBC Ground Open Circuit
- Test B: DTCs B1317 and B1318 - Battery Voltage High/Low
- Test C: DTCs C2803 - Brake Pressure Transducer Sense Circuit Failure
- Test D: DTCs C2806 and C2807 - Trailer Brakes Circuit Failure
- Test E: When the Ignition Key Is Turned to the RUN Position the TBC Module Display Does Light Up/Prove Out and the Trailer Brak
- Test F: The Trailer Brakes Are Always Engaged
- Test G: DTCs C2797 or C2798 - Brake Pressure Transducer Supply Short to Battery or Ground
- Test H: DTCs C2800 and C2801 - Brake Pressure Transducer Sense Open or Short to Ground
- Programming and Relearning
Locations
Service and Repair
Diagrams
Tools and Equipment