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Home >> Jeep >> 2012 >> Compass Limited, AWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 297 (Vehicle System Interface Module (VSIM) Module - Electrical Diagnostics) >> DTC Troubleshooting >> 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 Dodge Charger. 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