P0646 HYUNDAI - Air Conditioning Clutch Relay Circuit Low
- Faulty Air Conditioning Clutch Relay
- Air Conditioning Clutch Relay harness is open or shorted
- Air Conditioning Clutch Relay circuit poor electrical connection
When is the code detected?Code P0646 may be stored if an open or short exists in A/C clutch relay control circuit.
- Engine Light ON (or Service Engine Soon Warning Light)
P0646 Hyundai DescriptionA/C clutch relay may also be referred to as A/C compressor clutch relay. A/C clutch relay circuit is monitored when ignition is on and battery voltage is greater than 10.4 volts.
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