Module, Powertrain Control (Pcm): Installation: Diesel
WARNING: This page is about a different car, the 2018 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
- Check pin connectors in Powertrain Control Module (PCM) and the wire harness connectors for corrosion or damage. Also check pin heights in connectors. Pin heights should all be the same. Repair as necessary before installing harness connectors.
- Install the PCM (1) and securely tighten bolts (2).
- Connect the PCM wire harness connector (2) then wire harness connector (1).
- Install the coolant recovery bottle Refer to BOTTLE, COOLANT RECOVERY, INSTALLATION .
- Connect the negative battery cable.
- Use a diagnostic scan tool to reprogram new PCM (2) with vehicles original Vehicle Identification Number (VIN) and original vehicle mileage. Refer to MODULE, POWERTRAIN CONTROL (PCM), MODULE PROGRAMMING .