Diagnostic Aids

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Excessive brake pedal applies (10 or more applies in 30 seconds) can cause the DTC to set.
The DTC can set if the ignition key is in the Accessory position, the brake pedal is applied and then the ignition key is turned ON.