Powertrain
generic / SAE
P25FB
Turbocharger/Supercharger Bypass Valve C Control Circuit Range/Performance
The third bypass valve current does not match the commanded value within tolerance. Drifted coil resistance or high-resistance contact in the connector.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / FB
Possible causes
- Coil resistance changed by thermal stress medium
- High-resistance contact in the valve connector medium
- Sensor element aged beyond calibration window low
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–900 €
- Estimated time: 0.8–3 h
- Component: bypass valve c
- Component: bypass solenoid
- MIL / check engine light
Sources
References
sae:J2012