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Home >> Dodge and Ram >> 2011 >> Charger R/T, RWD >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> (Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> U0164-Lost Communication With HVAC Control Module >> When Monitored:

When Monitored:

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.