FixVault
Home
›
Jeep
›
2014
›
Wrangler Rubicon, Standard Trans
›
Repair and Diagnosis
›
Transmission
›
Automatic Trans
›
(Transmission Control Module (TCM) - Electrical Diagnostics)
›
DTC Troubleshooting
›
U0140-Lost Communication With Body Control Module
›
Possible Causes
Possible Causes
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