GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2007 🢒 STS 🢒 Brakes 🢒 Antilock Brake System 🢒 Electronic Brake Control Module Replacement

Removal Procedure

    Important: 

       • The ignition switch must be placed in the OFF mode ONLY, before disconnecting the negative battery cable during this procedure. If the ignition switch is accidentally placed into ignition ON engine OFF mode, the control modules will be activated and disconnecting the negative cable will cause various DTC's to be set. Refer to Keyless Entry System Description and Operation .
       • After the ignition switch is placed into OFF mode, a waiting period of 2 minutes must be observed to allow the high-speed LAN control modules to deactivate before disconnecting or connecting the negative battery cable during this procedure. If the waiting period is not observed, one or more of these control modules may still be activated, this will cause various DTC's to be set.

  1. Place the ignition switch into OFF mode. DO NOT place the ignition switch into ignition ON engine OFF mode.
  2. Wait for a minimum of 2 minutes to allow the high-speed LAN control modules to deactivate.
  3. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  4. Raise and support vehicle. Refer to Lifting and Jacking the Vehicle .
  5. Remove the air deflector shield. Refer to Front Air Deflector Replacement .

    6. Important: It is not necessary to remove the washer solvent container from the vehicle.

  6. Remove the washer solvent container. Refer to Windshield Washer Solvent Container Replacement .

    7. Important: The area around the electronic brake control module (EBCM) must be free from loose dirt to prevent contamination of dissembled ABS components.

  7. Thoroughly clean all of the contaminants from and around the EBCM assembly.

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

  8. Press the retainer on the EBCM electrical connector (1).

    9. Object Number: 899234 Size: SH
  9. Rotate the EBCM connector tab (2) forward to the unlocked position.
  10. Disconnect the EBCM electrical connector (1) from the EBCM and position out of the way.

    11. Object Number: 782380 Size: SH
  11. Remove the 4 EBCM to brake pressure modulator valve (BPMV) screws (1).

    12. Object Number: 772017 Size: SH
  12. Clean the surface of the EBCM/BPMV assembly.

    13. Important: The EBCM cannot be repaired. If faulty, the unit must be replaced.

  13. Separate the EBCM (1) from the BPMV (2).

Installation Procedure

    Object Number: 772017 Size: SH
  1. Clean the seal surface of the BPMV (2).
  2. Make sure that the internal pump motor connector (3) is installed into the new EBCM (1) prior to EBCM replacement.
  3. Install the EBCM (1) to the BPMV (2).

    4. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 782378 Size: SH
  4. Install the 4 EBCM to BPMV screws.

    5. Tighten
    Tighten the 4 EBCM to BPMV screws in sequence (1-4) to 5 N·m (44 lb in).


    Object Number: 899235 Size: SH

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

  5. Connect the EBCM electrical connector (1) to the EBCM (3).
  6. Rotate the EBCM connector tab (2) rearward to the locked position.
  7. Install the washer solvent containert. Refer to Windshield Washer Solvent Container Replacement .
  8. Install the air deflector shield. Refer to Front Air Deflector Replacement .
  9. Lower the vehicle.
  10. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  11. If installing a new EBCM it is necessary to program the EBCM. Refer to Control Module References .
  12. Perform the Diagnostic System Check - Vehicle. Refer to Diagnostic System Check - Vehicle .