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Home >> Cadillac >> 2003 >> DeVille DHS >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Repair Instructions >> Electronic Brake Control Module (EBCM) Replacement >> Installation Procedure
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Installation Procedure

  1. Clean the seal surface of the BPMV.
  2. Install the EBCM (2) to the BPMV (1).
    Fig 1: Installing EBCM To BPMV
    G02140892Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and 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: Installing EBCM To BPMV Screws
    G02140893Courtesy of GENERAL MOTORS CORP.
  4. Connect the BPMV pump motor harness pigtail electrical connector (2) to the EBCM (3).
    Fig 3: Connecting BPMV Pump Motor Harness Pigtail Electrical Connector To EBCM
    G02140894Courtesy 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).
  6. Rotate the EBCM connector tab (2) down to the locked position.
    Fig 4: Connecting EBCM Electrical Connector To EBCM
    G02140895Courtesy of GENERAL MOTORS CORP.
  7. Install the EBCM connector position assurance (2) to the EBCM electrical connector (1).
  8. Install the left front fascia extension. Refer to FASCIA EXTENSION REPLACEMENT - FRONT in Bumpers.
  9. Install the left front wheel. 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/VES (if equipped)
    • Set DTC C1248 EBCM Turned On the Red Brake Warning Indicator
    • Set DTC C1255m3 EBCM Internal Malfunction
      Fig 5: Installing EBCM Connector Position Assurance To EBCM Electrical Connector
      G02140896Courtesy of GENERAL MOTORS CORP.
  11. 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.
  12. Use the scan tool in order to clear the DTCs.
  13. Perform the ABS Diagnostic System Check. Refer to DIAGNOSTIC SYSTEM CHECK - ABS  .