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.
Module, Powertrain Control (Pcm): Installation
- If removed, position the Powertrain Control Module (PCM) mounting bracket (1) onto the PCM (4), install the two retaining nuts (2) and tighten to the proper torque specifications. Refer to TORQUE SPECIFICATIONS .
- If removed, install the noise plug (3) onto the PCM.NOTE:
Prior to reconnecting the electrical connectors to the PCM, check the pins in the electrical connectors for misalignment and/or damage. Repair as necessary.
- Position the PCM (3) into the vehicle.
- Connect the PCM harness connectors (2).
- Position the PCM bracket to the cross support, install the retaining bolt (1) and tighten to the proper torque specifications. Refer to TORQUE SPECIFICATIONS .
- Install the hood ajar switch. Refer to SWITCH, HOOD AJAR, INSTALLATION .
- Connect the negative battery cable.NOTE:
If a new PCM is installed, it must be programed with the original Vehicle Identification Number (VIN) and mileage. If this is not done, a Diagnostic Trouble Code (DTC) may set.
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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.