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. Turn the ignition switch to the OFF position.
  2. Remove the air cleaner assembly from the engine compartment. Refer to Air Cleaner Assembly Replacement .

  3. Object Number: 230405  Size: SH
  4. Disconnect the electronic brake control module (EBCM) harness connector (1).
  5. Remove any dirt/debris that has accumulated on the assembly.

  6. Object Number: 213438  Size: SH
  7. Disconnect the pump motor connector (3) at the bottom of the EBCM.
  8. Remove the 6 EBCM to BPMV screws (2).

  9. Object Number: 255233  Size: SH

    Important: 

       • Do not damage the seal by prying the EBCM from the brake pressure modulator valve (BPMV).
       • Do not damage the solenoid valves while removing the EBCM from the BPMV.

  10. Separate the EBCM from the BPMV by gently pulling apart until separated (1).

Installation Procedure

    Important: Use only new wave springs and screws supplied with the new EBCM.


    Object Number: 255233  Size: SH
  1. Clean the BPMV/EBCM mating surface using denatured alcohol and a clean towel.
  2. Install the EBCM (1) to the BPMV.
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the 6 screws that attach the EBCM to the BPMV.
  5. Tighten

        • Tighten the top 4 mounting screws to 5 N·m (44 lb in). Tighten screws in an X pattern.
        • Tighten the bottom 2 mounting screws to 5 N·m (44 lb in).
        • Connect the pump motor connector to the bottom of the EBCM.

    Object Number: 230405  Size: SH
  6. Connect the EBCM harness connector and depress the locking tab (1) to secure.
  7. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  8. If installing a new EBCM, program the EBCM. Refer to Control Module References .
  9. Place the ignition switch in the RUN position. Do not start engine.
  10. Perform the Diagnostic System Check - Vehicle .