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How do I Replace the BCM on a 1997 Buick Century

The Buick division of General Motors has manufactured a variety of cars under the Century nameplate. The 1997 model is a mid-size sedan with an anti-lock braking system, or ABS. The brake control module, or BCM, controls the ABS in an emergency stop. The BCM detects when a wheel is rotating significantly more slowly than the others, which can occur when the wheel loses traction. The BMC then reduces the braking force to that wheel to prevent it from locking.

Instructions

1

Find the BCM on the left side of the steering column under the instrument panel. It is a small black box with an electrical wiring harness connected to it.

2

Squeeze the pressure tabs on the BCM together, then detach the BCM from its bracket.

3

Unplug the electrical wiring harness from the BCM, then remove the BCM from the vehicle.

4

Plug the electrical wiring harness into the new BCM. The electrical connector will make an audible click when the harness is securely fastened to the BCM.

5

Install the BCM to its bracket. The pressure tabs will make an audible click when the BCM is securely fastened to the bracket.