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 Bonneville, 2003 Buick Park Avenue, and 2003 Buick LeSabre. However, it is still accessible from the selected car via links, so may be relevant.
- PCM is located inside air cleaner housing assembly. See Figure. Turn OFF the ignition. Disconnect negative battery cable. Disconnect the Intake Air Temperature (IAT) sensor electrical connector.
- Loosen the clamp securing the air intake duct to the air cleaner housing. Carefully remove the air intake duct from the throttle body and from the air cleaner housing. Remove the 2 screws from the 2 air cleaner housing sections. Remove the air cleaner housing cover assembly.
- Without disconnecting the PCM connectors, remove the PCM and harness from the air cleaner housing. Disconnect the PCM electrical connectors.
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.