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Home >> Jeep >> 2012 >> Compass Latitude, 2.0 A >> Repair and Diagnosis >> External Pages >> Different car >> Section 259 ((Drivetrain Control Module (DTCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> U0100-Lost Communication With The ECM/Pcm >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2012 Dodge Charger. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
CAN BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
POWERTRAIN CONTROL MODULE POWER AND GROUND
BCM NOT CONFIGURED CORRECTLY
POWERTRAIN CONTROL MODULE (ECM/PCM)
MODULE THAT SET THIS DTC
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