- Cooling System Issues:
- Low coolant levels
- Faulty radiator cap
- Clogged radiator
- Broken water pump
- Faulty thermostat
- Electrical Problems:
- Faulty fan relay or fan switch
- Damaged wiring or connectors
- Computer Issues:
- Faulty engine control module (ECM)
- Software glitches
- Mechanical Issues:
- Binding or damaged fan clutch (if equipped)
- Broken fan blades
- Incorrect installation:
- If the fan was recently replaced, it could be that it was installed incorrectly, causing it to stay on.
- Ground Fault:
- An issue with the grounding of the radiator fan circuit could cause it to operate continuously.
- Faulty Radiator Fan Motor:
- The fan motor itself may be faulty, causing it to stay engaged.
It is important to identify and address the root cause of the problem to ensure the radiator fan operates correctly. If you are not confident in diagnosing and fixing the issue, it's best to take the vehicle to a professional mechanic for proper diagnosis and repair.
