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Home >> Cadillac >> 2003 >> Seville STS >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Repair Instructions >> Electronic Brake Control Module (EBCM) Replacement >> Removal Procedure
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Removal Procedure

  1. Turn OFF the ignition.
  2. Raise the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
  3. Remove the left front wheel. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION  in Tires and Wheels.
  4. Remove the left front fascia extension. Refer to BUMPER SYSTEM  in Bumpers.
    IMPORTANT: The area around the electronic brake control module (EBCM) must be free from loose dirt to prevent contamination of dissembled ABS components.
  5. Thoroughly wash all components from around the EBCM.
  6. Rotate the EBCM connector tab up to the unlocked position.
  7. Remove the EBCM connector position assurance (2) from the EBCM electrical connector (1).
    NOTE: To prevent equipment damage, never connect or disconnect the wiring harness connection from the EBCM with the ignition switch in the ON position.
    Fig 1: Disconnecting EBCM Electrical Connector From EBCM Connector Position Assurance
    G02069242Courtesy of GENERAL MOTORS CORP.
  8. Disconnect the EBCM electrical connector (1) from the EBCM (4).
  9. Disconnect the brake pressure modulator valve (BPMV) electrical connector (2) from the EBCM (3).
    Fig 2: Disconnecting Brake Pressure Modulator Valve (BPMV) Electrical Connector From EBCM
    G02069243Courtesy of GENERAL MOTORS CORP.
  10. Remove the 6 EBCM to BPMV screws (2).
    Fig 3: Removing EBCM To BPMV Screws
    G02069244Courtesy of GENERAL MOTORS CORP.
  11. Clean the surface of the EBCM/BPMV assembly.
    IMPORTANT: The EBCM cannot be repaired. If faulty, the unit must be replaced.
  12. Separate the EBCM (2) from the BPMV (1).
    Fig 4: Separating EBCM From BPMV
    G02069245Courtesy of GENERAL MOTORS CORP.