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Home >> Chrysler >> 2012 >> 300 Limited, 4WD, Gas >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 21 (Transmission Control Module (TCM) - Nag1 Automatic Transmission) >> Diagnosis And Testing >> U0164-Lost Communication With HVAC Control Module >> Possible Causes

Possible Causes

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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