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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 65 (Antilock Brake System (Abs) - Electrical Diagnostics - 1500, 2500 & 3500) >> Diagnosis and Testing >> U0101-Lost Communication With TCM >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2011 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
DTCs 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) DTCs PRESENT
TRANSMISSION CONTROL MODULE (TCM)
ANTI-LOCK BRAKES SYSTEM (ABS) MODULE