Diagnostic Aids

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.

Repair any Brake System related DTCs before performing this diagnostic table.
If an BCM has been replaced, the BPP sensor must be calibrated. Refer to Brake Pedal Position Sensor Calibration in Lighting System.
This DTC may be stored as a history DTC without affecting the operation of the BCM. If stored only as a history DTC and not retrieved as a current DTC, do not replace the BCM.
If this DTC is retrieved as both a current and a history DTC, replace the BCM.
For an intermittent condition, refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.