P25FB
Turbocharger/Supercharger Bypass Valve C Control Circuit Range/Performance
P25FB is an OBD-II diagnostic trouble code meaning: Turbocharger/Supercharger Bypass Valve C Control Circuit Range/Performance. Common causes: turbocharger bypass valve malfunction, problems with wiring or connectors. Estimated repair cost: $33–167.
Symptoms
- Reduced engine power
- Unstable turbocharging operation
- Check Engine Light Illuminates
- Dips during acceleration
- Unusual noises from the turbine area
Causes
- Turbocharger bypass valve malfunction
- Problems with wiring or connectors
- Control solenoid valve malfunction
- Mechanical damage to vacuum hoses
- Problems with the engine control unit
How to Fix
- Check the condition of the bypass valve and its mechanics
- Check the integrity of wiring and connectors
- Check the operation of the control solenoid valve
- Check vacuum hoses for damage
- If necessary, replace faulty components
Related codes
Error P25FB by Vehicle Brand
FAQ
What does the P25FB code mean?
P25FB is an OBD-II diagnostic trouble code that indicates: Turbocharger/Supercharger Bypass Valve C Control Circuit Range/Performance
What causes a P25FB error code?
The most common causes of P25FB include: Turbocharger bypass valve malfunction; Problems with wiring or connectors; Control solenoid valve malfunction; Mechanical damage to vacuum hoses.
How do I fix a P25FB diagnostic trouble code?
To fix P25FB: Check the condition of the bypass valve and its mechanics. Check the integrity of wiring and connectors. Check the operation of the control solenoid valve. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P25FB?
Limited driving only, diagnose soon
How much does it cost to fix P25FB?
The estimated repair cost for P25FB is $33–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat