Module, Powertrain Control (Pcm): Installation: Diesel
WARNING: This page is about a different car, the 2020 Jeep 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 tighten fasteners (2) and (3) to the proper torque specifications. Refer to TECHNICAL SPECIFICATIONS .
- Connect the PCM wire harness connector (1).
- Connect the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), connect the IBS connector to the negative battery cable.
- Use a diagnostic scan tool to program new PCM with vehicles original Vehicle Identification Number (VIN) and original vehicle mileage. Refer to appropriate service information.
NOTE:
If this Electronic Control Unit (ECU) is being replaced with a new unit, a diagnostic scan tool MUST be used to determine if alignment of the PROXI configuration data into the new ECU is needed. If PROXI alignment is needed, follow the routine outlined in the diagnostic scan tool for PROXI Configuration Alignment under the Body Control Module (BCM) Miscellaneous Functions menu.