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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 267 (ENGINE CONTROLS - REMOVAL & INSTALLATION)COMPUTERIZED ENGINE CONTROLSPOWERTRAIN CONTROL MODULEINSTALLATION
2004 Oldsmobile Bravada AWD

Powertrain Control Module: Installation

2004 Oldsmobile Bravada AWDSECTION Installation
WARNING: This page is about a different car, the 2003 Pontiac Grand Am and 2003 Oldsmobile Alero. However, it is still accessible from the selected car via links, so may be relevant.
  1. 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. Slide the PCM into the PCM bracket. The retaining tab will lock in place.
  2. Install the PCM harness connectors and lock down the release levers.
  3. Connect the negative battery cable.
  4. Program the PCM. See SERVICE PROGRAMMING SYSTEM  under PROGRAMMING.
  5. Perform Crankshaft Position (CKP) system variation learn procedure. See CKP SYSTEM VARIATION LEARN PROCEDURE  under PROGRAMMING.


  1. 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.
  2. Slide the PCM into the PCM bracket. See Figure .
  3. Connect the PCM electrical connectors.
  4. Tighten the PCM connector screws. See Figure . Tighten the PCM connector screws to specification.
  5. Program PCM.
  6. Install the left closeout/insulator panel.
  7. Connect the negative battery cable.
  8. Program the PCM. See SERVICE PROGRAMMING SYSTEM  under PROGRAMMING.
  9. The replacement PCM will NOT allow secondary Air Injection (AIR) pump operation until a total of 10 miles have accumulated.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.