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Body Control Module (BCM): Installation

  1. Install BCM and reconnect harness connectors. Install rear seat back and cushion. Install 10-amp COMFORT fuse in trunk compartment fuse block. Reconnect negative battery cable.
  2. Reprogram PZM override PZ S33 according to following values.
    • K = Seville = 4
    • Ksp = DeVille/Concours = 5
  3. Press and hold DEFROST and AUTO buttons on CCP until display flashes. Cycle ignition. Clear DTCs.
Fig 1: Locating BCM (Concours, DeVille & Seville)
G95G35176Courtesy of GENERAL MOTORS CORP.