P0645
Powertrain Codes
P0645 - KIA - Air Conditioning Clutch Relay Circuit Malfunction
Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
Possible Causes
- Open or short air condition clutch relay circuit - Poor air condition clutch relay electrical connection - Failed air condition clutch relay - Fused Ignition Switch Output Circuit Open
When Detected
DTC may be stored if an open or short exists in A/C clutch relay control circuit.
Description
A/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.