Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Powertrain Control Module: Removal
2004 Oldsmobile Bravada AWDSECTION Removal
WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
- PCM is located inside air filter assembly. See Figure . Turn ignition off. Disconnect negative battery cable. Remove the engine coolant heater harness from the front fender diagonal brace, if equipped.
- Reposition the engine coolant reservoir from the front fender diagonal brace. See Figure . Reposition the cruise control module from the front fender diagonal brace. Remove the front fender diagonal brace to the inner fender bolt.
- Remove the front fender diagonal brace to radiator support bolts. Remove the front fender diagonal brace. Remove the air cleaner assembly cover and lift the PCM from the assembly. Disconnect the harness connectors from the PCM. Remove the PCM from the engine compartment.
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.