Powertrain
generic / SAE
P25FD
Turbocharger/Supercharger Bypass Valve C Temperature Too High
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.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / FD
Possible causes
- Sustained high duty cycle from charge balancing strategy high
- Cooling air channel blocked by debris medium
Symptoms
- Check engine light on
- Significant power loss / limp mode
- Possible blue or black smoke from exhaust
- Whistling or hissing sound from intake
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 1.5–5 h
- Component: bypass valve c
- Component: bypass solenoid
- MIL / check engine light
Sources
References
sae:J2012