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. Turn the ignition switch to the OFF position.
  2. Remove the Connector Position Assurance (CPA) (2) from the connector lock tab (1).
  3. Push the lock tab down and then move the sliding connector cover to the open position.
  4. Disconnect the Electronic Brake Control Module (EBCM) harness connector.

  5. Object Number: 527343  Size: SH
  6. Brush off any dirt/debris that has accumulated on the assembly.
  7. Remove the four EBCM to Brake Pressure Modulator Valve (BPMV) screws.
  8. Important: Do not pry apart using a tool. Be careful not to damage BPMV surface.

    Important: Care must be taken not to damage the solenoid valves when the EBCM is removed from the BPMV.

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


    Object Number: 393786  Size: SH
  5. Connect the EBCM harness connector.
  6. Push down the harness connector lock tab and then move the sliding connector cover back in the home position to lock.
  7. Push the CPA (2) back into place.
  8. Perform the ABS Diagnostic System Check.