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 C2797, C2798, C2800, C2801 and C2803 - Brake Pressure Transducer Circuit Failure
- Test D: DTCS C2806, C2807 and C2808 - Trailer Brakes Circuit Failure
- Test E: the TBC Module LED Display Does Not Illuminate and the Trailer Brakes Are Inoperative
- Test F: the Trailer Brakes Are Inoperative
- Test G: the Trailer Brakes Are Always Engaged
- Test H: the Instrument Cluster Displays TBC Fault
- Programming and Relearning
Locations
Service and Repair
Diagrams