P0645
Low severityA/C Clutch Relay Control Circuit
Quick answer
P0645 (A/C Clutch Relay Control Circuit) means: A fault in the air-conditioning compressor clutch relay circuit. Low urgency unless A/C needed. Typical Malaysia repair cost: RM80–RM300 (approximate).

Symptoms
- •A/C not cooling
- •Check engine light
Likely causes
- •Faulty A/C relay
- •Wiring fault
Can I drive?
Low urgency unless A/C needed.
Estimated repair cost (Malaysia)
RM80–RM300 (approximate)
This is general information, not a diagnosis. AutoMalaya OBD helps explain your car’s actual scan data; a qualified mechanic may still need to inspect the vehicle.