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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 234 (DTCS P1D94 To U1479 - 8HP45 Automatic Transmission - 1500) >> Diagnosis And Testing >> U0074-Dedicated Powertrain (D-Pt) Can Bus Off >> 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 
CAN C BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION OR VIN MESSAGES
BODY CONTROL MODULE (BCM) POWER AND GROUND
BODY CONTROL MODULE (BCM)
TCM - INTERNAL ERROR
MODULE THAT SET THIS DTC

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