C1115 5A
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Manual Trailer Brake Apply Request Switch Signal plausibility failure:
- The ignition is turned from Off to On, the Manual Apply Switch is not activated, then it is detected that the Manual Apply Switch is activated for 5 minutes.
- The fault is detected if the absolute value of the difference between the primary manual apply switch input and redundant inputs exceeds a threshold for an extended amount of time.