C1115 08: Notes
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 invalid fault is detected when any one of the following conditions is true:
- 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 ignition is Off, the Manual Apply is already activated, and then turn on the ignition, and detected the Manual Apply Switch is continuing to be activated for 30 seconds.