P0482
PowertrainCooling Fanmoderate severityCooling Fan 3 Control Circuit
What P0482 Means
The PCM has detected a fault in the control circuit for cooling fan 3. This may reduce cooling performance and lead to overheating under load.
Symptoms
- Engine overheating
- Cooling fan 3 not operating
- Poor AC cooling
Common Causes
- Faulty cooling fan relay
- Damaged wiring or connector
- Failed cooling fan motor
- Faulty PCM
Diagnostic Steps
- Scan for related codes
- Inspect fan 3 wiring and connectors
- Test fan 3 relay operation
- Check fan motor and PCM output
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