P0495
Fan 1 Overspeed
P0495 is an OBD-II diagnostic trouble code meaning: Fan 1 Overspeed. Common causes: fan motor malfunction, fan relay problems. Estimated repair cost: $33–167.
Symptoms
- Engine overheating
- Unstable cooling fan operation
- Fan turning on at maximum speed for no reason
- Check Engine Light Illuminates
Causes
- Fan motor malfunction
- Fan relay problems
- Short circuit in control circuit
- Mechanical jamming of the fan
- Engine ECU malfunction
How to Fix
- Check the mechanical condition of the fan (freedom of rotation)
- Check the integrity of the wiring harness to the fan
- Check fan relay operation
- Check the resistance of the motor winding
- Scan the system for other errors
- If necessary, replace faulty components
Related codes
Error P0495 by Vehicle Brand
FAQ
What does the P0495 code mean?
P0495 is an OBD-II diagnostic trouble code that indicates: Fan 1 Overspeed
What causes a P0495 error code?
The most common causes of P0495 include: Fan motor malfunction; Fan relay problems; Short circuit in control circuit; Mechanical jamming of the fan.
How do I fix a P0495 diagnostic trouble code?
To fix P0495: Check the mechanical condition of the fan (freedom of rotation). Check the integrity of the wiring harness to the fan. Check fan relay operation. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0495?
Limited driving only, diagnose soon
How much does it cost to fix P0495?
The estimated repair cost for P0495 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat