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Challenger
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Driver Door Module (DDM) - Electrical Diagnostics
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DTC Troubleshooting
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U0164-Lost Communication With HVAC Control Module
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Possible Causes
Possible Causes
Possible Causes
CAN B BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
A/C HEATER CONTROLS POWER AND GROUND
TIPM NOT CONFIGURED CORRECTLY
A/C HEATER CONTROL
MODULE THAT SET THIS DTC