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Home >> Jeep >> 2013 >> Wrangler Rubicon, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 50 (Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> U0164-Lost Communication With HVAC Control Module >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2012 Jeep Wrangler. 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
HVAC CONTROL MODULE POWER AND GROUND
TIPM NOT CONFIGURED CORRECTLY
HVAC CONTROL MODULE
MODULE THAT SET THIS DTC