GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 XLR 🢒 Power and Signal Distribution 🢒 Data Communications 🢒 Electronic Brake Control Module Replacement

Removal Procedure

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

  1. Turn the ignition switch to the OFF position.
  2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  4. Clean the area surrounding the electronic brake control module (EBCM) and the brake pressure modulator valve (BPMV) of and dirt and debris.
  5. Disconnect the EBCM electrical connector.

    6. Object Number: 2141645 Size: SH
  6. Remove the EBCM bolts (1).

    7. Object Number: 2141646 Size: SH

    Note: Do not attempt to pry or lever the EBCM from the BPMV.

  7. Remove the EBCM (1) by carefully pulling straight away from the BPMV.

    8. Do not force the components apart.

  8. Clean the mating surfaces of the EBCM and the BPMV with denatured alcohol and allow to dry.

Installation Procedure

    Object Number: 2141646 Size: SH
  1. Install the EBCM (1) by carefully pressing straight onto the BPMV.

    2. Do not force the components together.

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 2141645 Size: SH
  2. Install the EBCM bolts (1) and tighten in a cross pattern to  3 N·m (27 lb in).
  3. Connect the EBCM electrical connector.
  4. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  5. If installing a new EBCM, program the EBCM. Refer to Service Programming System (SPS).
  6. Perform the Diagnostic System Check - Vehicle.