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Home >> Dodge and Ram >> 2013 >> Durango R/T, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 112 (Transmission Control Module (TCM) - Nag1 Automatic Transmission) >> Diagnosis And Testing >> U0164-Lost Communication With HVAC Control Module >> Possible Causes
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Possible Causes

WARNING: This page is about a different car, the 2012 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
CAN BUS (+) CIRCUIT SHORTED TO VOLTAGE
CAN BUS (-) CIRCUIT SHORTED TO GROUND
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
BODY CONTROL MODULE (BCM) NOT CONFIGURED CORRECTLY
HVAC POWER AND GROUND
HVAC CONTROL MODULE
MODULE THAT SET THE DTC