Code result
P25FD
Turbocharger/Supercharger Bypass Valve C Temperature Too High
Moderate severity
What it means
The third bypass valve has reached over-temperature. Either coil duty cycle is too high for too long, or cooling air flow around the valve is restricted.
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
Sustained high duty cycle from charge balancing strategy
highOne of the most commonly reported causes for this code — check this first.
Cooling air channel blocked by debris
mediumA plausible cause — test and verify before replacing parts.
Related help
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