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Home >> Fiat >> 2012 >> 500 Pop, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> (Transmission Control Module (TCM) - Electrical Diagnostics) >> Diagnosis And Testing >> U0140-Lost Communication With Body Control Module >> Possible Causes

Possible Causes

Possible Causes 
CAN BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
BODY CONTROL MODULE (BCM) POWER AND GROUND
BCM NOT CONFIGURED CORRECTLY
BODY CONTROL MODULE (BCM)
MODULE THAT SET THIS DTC
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