P1482
Cooling Fan Circuit Condition
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–56 (est.)
Symptoms
- Engine overheating at low speeds
- Cooling fan does not turn on
- The fan runs constantly
- Check engine light comes on
- Reduced engine power when overheated
Causes
- Fan relay fault
- Open or short circuit in the circuit
- Problems with the coolant temperature sensor
- Engine control unit malfunction
- Wiring harness damage
How to Fix
- Check fuses and fan relays
- Diagnose the control circuit for opens and short circuits
- Check the operation of the coolant temperature sensor
- Test the engine control unit
- Replace damaged circuit components