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Home >> Dodge and Ram >> 2014 >> Viper Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 ((Body Control Module (BCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> U0164-00-Lost Communication With HVAC Control Module >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2015 Dodge Viper. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
HVAC CONTROL MODULE POWERS AND GROUNDS
HVAC CONTROL MODULE (HVAC)
CAN IHS BUS (+) CIRCUIT OPEN
CAN IHS BUS (-) CIRCUIT OPEN
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