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Home >> Cadillac >> 2005 >> CTS V >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 5.7L - Introduction >> Repair Instructions >> Powertrain Control Module (PCM) Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: Locating Powertrain Control Module (PCM)
    GM1412209Courtesy of GENERAL MOTORS CORP.
  1. Install the PCM to the vehicle.
  2. Install the PCM wiring harness.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Tighten the PCM electrical connector screws (1).

    Tighten:  Tighten the PCM electrical connector bolts to 8 N.m (71 lb in).

  4. Install the PCM to the PCM housing.
    5. Fig 2: View Of Bolt At Powertrain Control Module (PCM) Housing Cover
    GM1412206Courtesy of GENERAL MOTORS CORP.
  5. Install the PCM housing cover.
  6. Install the bolt (1) to the PCM cover housing.

    Tighten:  Tighten the PCM housing cover bolt to 10 N.m (89 lb in).

    7. Fig 3: View Of Front Air Deflector And Push Pin retainers
    GM699902Courtesy of GENERAL MOTORS CORP.
  7. Install the front air deflector. Refer to Air Deflector Replacement - Front in Body Front End.
  8. Lower the vehicle.
  9. Connect the battery negative cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  10. Program the PCM. Refer to Powertrain Control Module Programming and Setup in Programming and Setup.
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