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Home >> Jeep >> 2012 >> Compass Limited, AWD, Automatic CVT, CVT2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 453 (Electronic Shift Module (ESM) - Electrical Diagnostics - Nag1 Automatic Transmission) >> DTC Troubleshooting >> U0140-Lost Communication With Body Control Module >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2015 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
CAN C BUS (+) CIRCUIT SHORTED TO VOLTAGE
CAN C BUS (-) CIRCUIT SHORTED TO GROUND
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
BCM NOT CONFIGURED CORRECTLY
BCM POWER AND GROUND
BODY CONTROL MODULE (BCM)
MODULE THAT SET THIS DTC