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Home >> Jeep >> 2013 >> Compass Limited, AWD, Trans Mfr CD CVT2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 196 (Powertrain Control Module (Pcm) - Electrical Diagnostics - 42RLE Automatic Transmission) >> DTC Troubleshooting >> U0100 Lost Communication With ECM/Pcm >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2012 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

Refer to  TIPM - DIAGNOSIS AND TESTING  for CAN BUS Communication diagnostic procedures and other possible causes. 

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