Symptoms - Trailer Brake Controls: Notes

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: The following steps must be completed before using the symptom tables.

Perform the Brake System Vehicle Road Test before using the Trailer Brake Controls symptom tables in order to duplicate the customer's concern.
Review the system operation in order to familiarize yourself with the system functions. Refer to the following:
- Trailer Brake Controls Description and Operation
- ABS Description and Operation (Under 8600 GVW)ABS Description and Operation (Equal to or Over 8600 GVW)