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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 >> U0102-Lost Communication With Transfer Case Control Module / AWD >> Possible Causes

Possible Causes

Possible Causes
CAN BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
DRIVETRAIN CONTROL MODULE (DTCM)
BCM NOT CONFIGURED CORRECTLY
BODY CONTROL MODULE (BCM)
MODULE THAT SET THIS DTC

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

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