Trailer Brake Control Module
Description and Operation
Testing and Inspection
- Initial Inspection and Diagnostic Overview
 - Symptom Related Diagnostic Procedures
 - Pinpoint Tests
- Pinpoint Test A: DTC B1863
 - Pinpoint Test B: Without a Trailer Connected to The Vehicle and With The Ignition Key Turned to The RUN Position, The TBC (Trai
 - Pinpoint Test C: The Message Center Displays TRAILER FAULT
 - Pinpoint Test D: When The Ignition Key is Turned to The RUN Position, The TBC (Trailer Brake Control) Module Display Does Light
 - Pinpoint Test E: The Trailer Brakes are Always Engaged and/or The Message Center Intermittently Displays TRAILER DISCONNECTED o
 - Pinpoint Test F: DTC P1561
 
 
Locations
Service and Repair
Diagrams