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Home >> Pontiac >> 2005 >> Grand Am SC/T >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 3.4L - Introduction >> Repair Instructions >> Powertrain Control Module (PCM) Replacement >> Installation Procedure
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Installation Procedure

Remove the new PCM from the packaging and inspect the service number to verify the number is the same number, or an updated number, as the faulty PCM.

  1. Slide the PCM into the PCM bracket.
  2. NOTE: Do not touch the PCM connector pins or soldered components on the circuit board in order to prevent possible electrostatic discharge (ESD) damage. Do not remove the integrated circuit boards from the carrier.
    Fig 1: PCM Electrical Connectors
    GM102470Courtesy of GENERAL MOTORS CORP.
  3. Install the PCM electrical connectors.
  4. Fig 2: PCM Connector Screws
    GM72295Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  5. Tighten the PCM connector screws (1).

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

  6. Install the left closeout/insulator panel. Refer to Closeout/Insulator Panel Replacement - Left (Outboard) or Closeout/Insulator Panel Replacement - Left (Inboard) in Instrument Panel, Gages, and Console.
  7. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  8. IMPORTANT: The replacement PCM must be reprogrammed and the crankshaft position (CKP) system variation learn procedure must be performed.
  9. Program the PCM. Refer to Control Module References in Computer/Integrating Systems.
  10. The replacement PCM will NOT allow secondary air injection (AIR) pump operation until a total of 10 miles have accumulated.