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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 462 (ENGINE CONTROLS - REMOVAL & INSTALLATION)COMPUTERIZED ENGINE CONTROLSPOWERTRAIN CONTROL MODULEREMOVAL (5.3L)
2004 Oldsmobile Bravada AWD

Removal (5.3L)

2004 Oldsmobile Bravada AWDSECTION Removal (5.3L)
WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable.
  2. Disconnect the cooling fan electrical connector for additional clearance while removing the PCM. See Figure.
    CAUTION: The PCM cover should be flexible enough to hold out of the way while removing the PCM. Remove the PCM cover only if replacing the cover.
  3. Remove the PCM cover retainers. See Figure.
  4. Remove the PCM cover.
  5. Release the spring latch from the PCM.
  6. Release the PCM mounting tabs from the PCM. See Figure.
  7. Remove the PCM.
    CAUTION: Remove any debris from around the PCM connector surfaces before servicing the PCM. Inspect the PCM module connector gaskets when diagnosing or replacing the PCM. Ensure that the gaskets are installed correctly. The gaskets prevent contaminant intrusion into the PCM.
  8. Loosen the PCM electrical connector bolts.
  9. Disconnect the PCM electrical connectors. See Figure.
  10. Remove the PCM from the vehicle.
RENDER: 1.0x

NO RELATED

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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.