Removal And Installation: Diesel: Installation
WARNING: This page is about a different car, the 2021 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.
- Position the PCM to the vehicle, then install and securely tighten the fasteners.
- Connect the ground wire and fastener to the PCM.
- Connect the wire harness connectors to the PCM.
- Install the Differential Pressure Sensor.
- Connect the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), connect the IBS connector.
- 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.
- Connect the diagnostic scan tool to the vehicle and select "ECM" in "miscellaneous features." Perform the "replacement unit" routine.
- With key in the OFF position and with the hazard lights turned ON, go to "control BCM" in "miscellaneous features" and launch the "transfer secret key" procedure.