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Home >> Jeep >> 2015 >> Compass Limited, AWD, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 51 (Final Drive Control Module (FDCM) - Electrical Diagnostics) >> DTC Troubleshooting >> U0141 Lost Communication With FCM >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2009 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

The Totally Integrated Power Module (TIPM) communicates with other controllers over the CAN C bus. The FDCM Module continuously monitors the bus activity and receives the messages it needs. If the FDCM does not receive messages from the TIPM Module , then this fault will set and the service 4WD is illuminated.

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