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: Installation
2004 Oldsmobile Bravada AWDSECTION Installation
WARNING: This page is about a different car, the 2003 Cadillac Seville and 2003 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If the PCM is being programmed using the Off-Board method, perform the programming before continuing with the steps listed below. See POWERTRAIN CONTROL MODULE under PROGRAMMING.
- Install the PCM. Install the PCM connectors. Tighten the PCM connectors screws to specification. See TORQUE SPECIFICATIONS . Install the intake air duct, MAF/IAT sensor, and the air filter element/PCM housing cover to the throttle body. Be sure to properly install the intake air duct to the throttle body.
- An improperly installed, distorted, or damaged air filter or intake air duct may cause a DTC to set. Align and engage the tabs on the air filter element/PCM housing cover with the slots in the air filter element/PCM housing. Tighten the air filter element/PCM housing cover screws to specification.
- Tighten the air cleaner intake duct clamp at the throttle body to specification. Reconnect the MAF/IAT sensor connector. Connect the negative battery cable. Install the rear seat cushion. Program the PCM. See POWERTRAIN CONTROL MODULE under PROGRAMMING.
NOTE:
If the PCM is being programmed using the Off-Board method, perform the programming before continuing with the steps listed below. See POWERTRAIN CONTROL MODULE under PROGRAMMING.
- Install the PCM. Tighten the PCM connector attaching bolts. Install the PCM connectors. Tighten the PCM connectors screws to specification. See TORQUE SPECIFICATIONS . Install the air cleaner cover onto the air inlet housing. Snap the assembly clamps into place. Align the air cleaner intake duct/resonator assembly into place.
- Install the screw onto the air cleaner intake duct/resonator assembly. Tighten the intake air duct clamp to specification. Connect the negative battery cable. Install the rear seat cushion. Program the PCM. See POWERTRAIN CONTROL MODULE under PROGRAMMING.
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.