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Home >> Dodge and Ram >> 2012 >> Charger SXT Plus, RWD, Gas >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Vehicle System Interface Module (VSIM) Module - Electrical Diagnostics >> DTC Troubleshooting >> U0164-Lost Communication With HVAC Control Module >> When Monitored:
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When Monitored:

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.