Code result
P0485
Cooling Fan Power/Ground Circuit Malfunction
Moderate severity
What it means
A fault is detected in the supply or ground path of the cooling fan circuit. Voltage drops or open ground prevent reliable fan operation.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Ground connection open or corroded
highOne of the most commonly reported causes for this code — check this first.
Power supply circuit fault
mediumA plausible cause — test and verify before replacing parts.
Connector damaged
lowLess common, but worth ruling out after the more likely causes.
Related help
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