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Home >> Chrysler >> 2012 >> 300 Base, Trans Mfr CD 8HP45, Gas >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Transmission Control Module (TCM) - DTCS P1D94 To U1479 - 8HP45 Automatic Transmission >> Diagnosis And Testing >> U0140-Lost Communication With Body Control Module >> Possible Causes

Possible Causes

Possible Causes
TCM - INTERNAL ERROR
BODY CONTROL MODULE (BCM)
CAN BUS CIRCUITS OPEN OR SHORTED

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE  . 

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