GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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: 1544732  Size: SH
  4. Disconnect the electronic brake control module (EBCM) harness connector (2).
  5. Brush off any dirt/debris that has accumulated on the assembly.
  6. Disconnect the pump motor connector at the bottom of the EBCM.
  7. 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.


    Object Number: 1542704  Size: SH
  8. Remove the EBCM to BPMV screws.

  9. Object Number: 255233  Size: SH
  10. Separate the EBCM from the BPMV by gently pulling apart until separated (1).

Installation Procedure


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

  4. Install the 6 screws that attaches the EBCM to 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).
  6. Connect the pump motor connector to the bottom of the EBCM.

  7. Object Number: 1544732  Size: SH
  8. Connect the electrical harness connector (2) to the EBCM.
  9. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  10. If a new EBCM was installed, the EBCM must be programmed. Refer to Electronic Brake Control Module Programming and Setup .
  11. Turn the ignition switch to the RUN position, do not start engine.
  12. Perform the diagnostic system check. Refer to Diagnostic System Check - Vehicle .
  13. Refer to Control Module References for programming and setup information.