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Home >> Hummer >> 2004 >> H2 4D Utility Pickup >> Repair and Diagnosis >> External Pages >> Different car >> Section 346 (Antilock Brake System) >> Repair Instructions >> Electronic Brake Control Module (EBCM) Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2003 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
  1. Clean the seal surface of the brake pressure modulator valve (BPMV).
  2. Install the electronic brake control module (EBCM) (2) to the BPMV (1).
    Fig 1: Connecting Electronic Brake Control Module To Brake Pressure Modulator Valve
    G02553151Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in GM Vehicles Cautions & Notices.
  3. Install the 6 EBCM to BPMV screws (2). Tighten:  Tighten the 6 screws to 3.2 N.m (28 lb in).
    Fig 2: Removing & Installing Electronic Brake Control Module-To-Brake Pressure Modulator Valve Screws
    G02553152Courtesy of GENERAL MOTORS CORP.
  4. Connect the BPMV electrical connector (2) to the EBCM (3).
    Fig 3: Installing Brake Pressure Modulator Valve Electrical Connector To Electronic Brake Control Module
    G02553153Courtesy of GENERAL MOTORS CORP.
    NOTE: 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 (4).
    Fig 4: Connecting Electronic Brake Control Module Electrical Connector To Electronic Brake Control Module
    G02553154Courtesy of GENERAL MOTORS CORP.
  6. Rotate the EBCM connector tab (2) down to the locked position.
  7. Install the EBCM connector position assurance (4) to the EBCM electrical connector (2).
  8. Install the left front fascia extension. Refer to FASCIA EXTENSION REPLACEMENT - FRONT in Bumpers.
  9. Install the left front tire and wheel assembly. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
  10. Lower the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
    IMPORTANT: An unprogrammed EBCM will result in the following conditions:
    • Inoperative or poorly functioning DRP/ABS/TCS/VSES/TIM/VES if equipped.
    • Turn on the Red Brake Warning Indicator On
    • The EBCM will Malfunction Internally
  11. Fig 5: Identifying Electronic Brake Control Module Connector Position Assurance
    G02553155Courtesy of GENERAL MOTORS CORP.
  12. If a replacement EBCM is being installed, it must be programmed using the latest software matching the vehicle. Refer to the Techline Terminal/Equipment user's instructions.
  13. Use the scan tool in order to clear the DTCs.
  14. Perform the Auto Bleed Procedure. Refer to ABS AUTOMATED BLEED PROCEDURE  .
  15. Perform the ABS Diagnostic System Check. Refer to DIAGNOSTIC SYSTEM CHECK - ABS  .