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Home >> Cadillac >> 2004 >> Seville >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls -- 4.6L - Introduction >> Repair Instructions >> Powertrain Control Module (PCM) Replacement >> Installation Procedure
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Installation Procedure

IMPORTANT: If the PCM is being programmed using the Off-Board method, perform the programming before continuing with the steps listed below. Refer to the Off-Board procedure in Service Programming System (SPS) in Programming.
    Fig 1: Identifying PCM
    GM1379393Courtesy of GENERAL MOTORS CORP.
  1. Install the PCM connectors and locks.
  2. Install the PCM (1).
    3. Fig 2: View of Air Duct/Resonator Assembly & Air Cleaner Cover
    GM104607Courtesy of GENERAL MOTORS CORP.
  3. Install the air cleaner cover (3) onto the air inlet housing.
  4. Snap the assembly clamps into place.
    5. Fig 3: View of Intake Air Duct/Resonator to PCM Housing Screw
    GM104644Courtesy of GENERAL MOTORS CORP.
  5. Align the intake air duct/resonator assembly (3) into place.
  6. Install the screw onto the intake air duct/resonator assembly.
    NOTE: Refer to Fastener Notice in Cautions and Notices.

    Tighten:  Tighten the intake air duct clamp to 3 N.m (27 lb in).

  7. Connect the battery negative cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  8. Program the PCM. Refer to Service Programming System (SPS) in Programming.
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