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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 177 ((Tire Pressure Module (TPM) - Electrical Diagnostics)) >> DTC Troubleshooting >> U0100-00-Lost Communication With ECM/Pcm >> Possible Causes

Possible Causes

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

If present, diagnose and repair DTC U0002-88-CAN C BUS OFF PERFORMANCE- BUS OFF before diagnosing this DTC.