Conditions for Setting the DTC

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

The BCM detects a failure in the BPPS system.
The BCM receives a signal from the sensor indicating the brake pedal is applied, the driver commanded throttle and brake fluid pressure sensor is less then 5 bars (73 psi) for 60 seconds.
The BCM receives a signal from the sensor indicating the brake is not applied and the brake fluid pressure sensor is greater then 15 bars (218 psi) for 1 second.