OBD
P0482
Fan 3 Control Circuit
What it means
P0482 means Fan 3 Control Circuit.
Check these first
- A failed fan 3 relay coil
- An open circuit in the fan 3 control wire
- A shorted fan 3 motor winding
- Water in the fan 3 connector
What to do next
- Command fan 3 with a scan tool and watch the fan
- Check the fan 3 fuse first
- Test the fan 3 control circuit for an open or short
- Replace the fan 3 relay if the coil is open
- Replace the fan 3 motor if the circuit checks out
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.