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Home >> Jeep >> 2018 >> Compass Trailhawk >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Electronic Control Modules (Service Information) - Mp) >> Module, Powertrain Control (Pcm) >> Removal And Installation >> Diesel >> Installation
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Removal And Installation: Diesel: Installation

WARNING: This page is about a different car, the 2017 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.
  1. Position the PCM to the vehicle, then install and securely tighten the nuts.
  2. Connect the ground wire and retaining nut to the PCM.
  3. Connect the wire harness connectors to the PCM.
  4. Install the Differential Pressure Sensor. Refer to SENSOR, DIFFERENTIAL PRESSURE, REMOVAL AND INSTALLATION .
  5. Connect the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), connect the IBS connector.
  6. If this Electronic Control Unit (ECU) is being replaced with a new unit, a diagnostic scan tool MUST be used to align the PROXI configuration data into the new ECU. Follow the routine outlined in the diagnostic scan tool for PROXI Configuration Alignment under Body Control Module (BCM) Miscellaneous Functions menu.
  7. Connect the diagnostic scan tool to the vehicle and select "ECM" in "miscellaneous features". Perform the "replacement unit" routine.
  8. 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.
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