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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 67 ((Cabin Compartment Node (CCN) - Electrical Diagnostics)) >> Diagnosis and Testing >> U0164-Lost Communication With HVAC Control Module >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2011 RAM Pickup and 2011 RAM Cab & Chassis. 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
TIPM NOT CONFIGURED CORRECTLY
HVAC CONTROL MODULE
HVAC CONTROL MODULE POWER AND GROUND
MODULE THAT SET THIS DTC
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