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Home >> Pontiac >> 2003 >> Sunfire Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Removal & Installation >> Computerized Engine Controls >> Powertrain Control Module >> Installation
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Powertrain Control Module: Installation

  1. Remove the new PCM from the packaging and check the service number to verify the number is the same number, or an updated number, as the faulty PCM.
  2. Push the PCM into the PCM bracket. The retaining tab will lock in place.
  3. Install the PCM harness connectors and lock down the release levers.
  4. Connect the negative battery cable. Tighten to specification. See TORQUE SPECIFICATIONS .
  5. Program the PCM. See PROGRAMMING 
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