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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1118 (ENGINE CONTROLS - 3.4L - INTRODUCTION - SERVICE & REPLACEMENT)REPAIR INSTRUCTIONSPOWERTRAIN CONTROL MODULE (PCM) REPLACEMENTREMOVAL PROCEDURE
2004 Oldsmobile Bravada AWD

Removal Procedure

2004 Oldsmobile Bravada AWDSECTION Removal Procedure
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: It is necessary to record the remaining engine oil life. If the replacement module is not programed with the remaining engine oil life, the engine oil life will default to 100%. If the replacement module is not programmed with the remaining engine oil life, the engine oil will need to be changed at 5000 km (3,000 mi) from the last engine oil change.
  1. Using a scan tool, retrieve the percentage of remaining engine oil. Record the remaining engine oil life.
    2. Fig 1: View Of PCM
    GM512028Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (LA1)Battery Negative Cable Disconnect/Connect Procedure (LY7) in Engine Electrical.
  3. Remove the left sheet metal diagonal brace. Refer to Brace Replacement - Front Fender Upper Diagonal - Left in Body Front End.
  4. Remove the air cleaner assembly cover and lift the PCM from the assembly.
  5. Disconnect the harness connectors from the PCM.
  6. Remove the PCM from the engine compartment.
RENDER: 1.0x

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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.