P0482
Generic (SAE) Basic entry
Fan 3 Control Circuit
Severity
Medium
Typical repair cost
60 – 500 EUR
System
Powertrain
What it means
P0482 is defined as "Fan 3 Control Circuit". the engine control module stores it when the monitored condition for this component or system is outside the limits programmed by the manufacturer.
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Symptoms
- Check engine light on, often with no change in driveability
- Failed emissions inspection
- Slight increase in fuel consumption
- Smell from the exhaust in some cases
Common causes
- Fan 3 Control Circuit worn, contaminated or out of calibration
- Mechanical problem in the system the sensor measures
- Air, vacuum or exhaust leak influencing the reading
- Wrong or low-quality replacement part
- Wiring resistance causing a small voltage offset
How to diagnose
- Compare the live Fan 3 Control Circuit reading with a known-good value or a second sensor at idle and at 2500 rpm
- Check for air, vacuum or exhaust leaks that could skew the reading
- Inspect the component for contamination and clean it if the design allows
- Verify the part number is correct for the engine
- Replace the Fan 3 Control Circuit if the reading remains out of specification
Frequently asked questions
Can I keep driving with P0482?
Usually yes for a short time, but expect reduced performance or higher fuel use. Have it diagnosed within a few days.
Will clearing P0482 fix it?
No. Clearing only erases the stored code; it returns as soon as the monitor runs again unless the cause is repaired.