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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 419 (5.7L CNG - DTCS P2135 To U147B - 2500 Hd) >> Diagnosis And Testing >> U0168-Lost Communication With Vehicle Security Control Module (Win) >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2013 RAM 2500 HD and 2012 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.
POSSIBLE CAUSES 
CAN BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TOTALLY INTEGRATED POWER MODULE POWER AND GROUND
TIPM NOT CONFIGURED CORRECTLY
WIRELESS IGNITION NODE (WIN)
MODULE THAT SET THIS DTC
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