GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Notice: To prevent equipment damage, never connect or disconnect the wiring harness connection from the EBCM with the ignition switch in the ON position.


    Object Number: 393786  Size: SH
  1. Raise and support the vehicle on a suitable hoist. Refer to Lifting and Jacking the Vehicle .
  2. Remove the left engine splash shield.
  3. Remove the connector position assurance (CPA) (2) from the connector lock tab (1).
  4. Push the lock tab (1) down and then move the sliding connector cover to the open position.

  5. Object Number: 567224  Size: SH
  6. Disconnect the EBCM harness connector (2) from the EBCM (1).
  7. Brush off any dirt or debris that has accumulated on the EBCM/BPMV assembly.

  8. Object Number: 527343  Size: SH
  9. Remove the 4 EBCM to BPMV screws.
  10. Important: 

       • Do not pry apart using a tool. Be careful not to damage the BPMV surface.
       • Care must be taken not to damage the solenoid valves when the EBCM is removed from the BPMV.

  11. Remove the EBCM (1) from the BPMV (2) by gently pulling apart until separated.

Installation Procedure


    Object Number: 527343  Size: SH
  1. Clean the EBCM gasket and the BPMV surface with alcohol using a clean rag.
  2. Install the EBCM (1) to the BPMV (2).
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the 4 screws that attach the EBCM (1) to the BPMV (2).
  5. Tighten
    Tighten the screws to 5 N·m (44 lb in).


    Object Number: 567224  Size: SH
  6. Connect the EBCM harness connector (2) to the EBCM (1).

  7. Object Number: 393786  Size: SH
  8. Push down the harness connector lock tab (1) and then move the sliding connector cover back in the home position to lock.
  9. Push the CPA (2) back into place.
  10. Install the left engine splash shield.
  11. Lower the vehicle. Refer to Lifting and Jacking the Vehicle .
  12. Perform the Diagnostic System Check - Vehicle .
  13. Refer to Control Module References for programming and setup information.