ACDelco 20896914 GM Original Equipment Electronic Brake and Traction Control Module with 4 Bolts Helps provide controlled braking in icy or wet conditions Helps tires provide maximum grip with the road surface Reads vehicle sensors to trigger anti-lock braking system (ABS) and traction control system Helps to reduce wheel slippage for controlled acceleration, and stopping, in slippery situations GM-recommended replacement part for your GM vehicles original factory component