Air Conditioning Clutch Relay Circuit Malfunction
Table of contents
P0645 KIA Possible Causes
- Faulty Air Conditioning Clutch Relay
- Air Conditioning Clutch Relay harness is open or shorted
- Air Conditioning Clutch Relay circuit poor electrical connection
How do I fix code P0645 KIA?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P0645 KIA code
The cost of diagnosing the P0645 KIA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
When is the code detected
The P0645 code is stored if an open or short exists in A/C clutch relay control circuit.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P0645 KIA 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.