P1480
Cooling Fan 1 Control Circuit High
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–56 (est.)
Symptoms
- Engine overheating
- Cooling fan does not turn on
- The fan runs constantly
- Check Engine light comes on
- Reduced engine power due to overheating
Causes
- Open or short circuit in fan control circuit
- Faulty fan relay
- Damaged fan motor
- Problems with the ECU or its software
- Corrosion or poor contact in connectors
How to Fix
- Check the fan circuit fuse
- Inspect wiring and connectors for damage
- Check fan relay operation
- Test the fan motor
- Check control signals from ECU