GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Caution: Refer to Brake Fluid Irritant Caution in the Preface section.

Notice: Refer to Brake Fluid Effects on Paint and Electrical Components Notice in the Preface section.

Notice: Always connect or disconnect the wiring harness connector from the EBCM/EBTCM with the ignition switch in the OFF position. Failure to observe this precaution could result in damage to the EBCM/EBTCM.

  1. Place the ignition switch in the OFF position.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.

  3. Object Number: 1965624  Size: SH
  4. Remove the antilock brake system (ABS) module splash shield retainers (1).

  5. Object Number: 1965625  Size: SH
  6. Remove the ABS module splash shield bolts (1).

  7. Object Number: 1965627  Size: SH
  8. Remove the ABS module splash shield (1).

  9. Object Number: 2077044  Size: SH
  10. Remove all dirt and debris from the electronic brake control module (EBCM) and the brake pressure modulator valve (BPMV).
  11. Disconnect the EBCM electrical connector.
  12. Loosen, but do not remove, the EBCM bolts (1).

  13. Object Number: 2077045  Size: SH

    Important: Do not pry the EBCM from the BPMV. The EBCM must be pulled away from the BPMV evenly.

  14. Using the loosened EBCM bolts as a guide, carefully pull the EBCM (1) evenly away from the BPMV to release the electrical connectors.

  15. Object Number: 2077046  Size: SH
  16. Remove the EBCM bolts (1).

  17. Object Number: 2077049  Size: SH
  18. Remove the EBCM (1).

Installation Procedure


    Object Number: 1965629  Size: SH
  1. Position the EBCM (1) to the BPMV.
  2. Push the EBCM squarely onto the BPMV.
  3. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1965628  Size: SH
  4. Install the EBCM bolts (1).
  5. Tighten
    Tighten the bolts in an X pattern to 3 N·m (27 lb in).

  6. Connect the EBCM electrical connector.
  7. If installing a new EBCM, the EBCM must be programmed and the sensor and boost valve calibration and EBCM learn processes must be performed. Refer to Control Module References.

  8. Object Number: 1965627  Size: SH
  9. Install the ABS module splash shield (1).

  10. Object Number: 1965625  Size: SH
  11. Install the ABS module splash shield bolts (1).
  12. Tighten
    Tighten the bolts to 20 N·m (15 lb ft).


    Object Number: 1965624  Size: SH
  13. Install the ABS module splash shield retainers (1).