Diagnostic Aids
WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
Possible causes of this DTC are the following conditions:
- A contaminated hydraulic unit.
- An intermittent wheel speed sensor.
- A sticking solenoid.
- Excessive brake drag or high resistance in base brake system.
- Suspension system irregularities.
Courtesy of GENERAL MOTORS CORP.