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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 315 (Body Control Module (BCM) - DTCS B1815-11 To U1433-24 - 1500) >> Diagnosis And Testing >> U0100-00-Lost Communication With ECM/Pcm >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2013 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
POWERTRAIN CONTROL MODULE (PCM) POWERS AND GROUNDS
POWERTRAIN CONTROL MODULE (PCM)
CAN C BUS (+) CIRCUIT OPEN
CAN C BUS (-) CIRCUIT OPEN
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