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Home >> Chrysler >> 2011 >> 300 Base, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 184 (Anti-Lock Brake System (Abs) - Electrical Diagnostics - 3500 Cab & Chassis, 4500 & 5500) >> Diagnosis And Testing >> U0101-Lost Communication With TCM >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2012 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
DTC's RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
CAN C BUS CIRCUITS OPEN OR SHORTED
TRANSMISSION CONTROL MODULE (TCM) POWER AND GROUND
POWERTRAIN CONTROL MODULE (PCM) DTC's PRESENT
TRANSMISSION CONTROL MODULE (TCM)
ANTILOCK BRAKES SYSTEM (ABS) MODULE