LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2003 >> Chevy Express H2500 >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control System >> Repair Instructions >> Body Control Module Replacement >> Installation Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Installation Procedure

  1. Install the BCM (1) into the bracket. Ensure the BCM (1) is engaged in the bracket, under the retaining tabs (2).
    Fig 1: Installing BCM
    G02422574Courtesy of GENERAL MOTORS CORP.
  2. Connect the electrical connectors (2) to the BCM (1).
    Fig 2: Connecting BCM Electrical Connectors
    G02422575Courtesy of GENERAL MOTORS CORP.
  3. Install the right side knee bolster trim panel. Refer to KNEE BOLSTER REPLACEMENT - RIGHT .
  4. If the BCM has been replaced the module will need to be programed.

    Program the BCM. Refer to Body Control Module (BCM) Programming/RPO Configuration .

    Fig 3: Installing Right Side Knee Bolster Trim Panel
    G02422576Courtesy of GENERAL MOTORS CORP.