P25B5
Turbocharger/Supercharger Wastegate B Stuck Open
P25B5 is an OBD-II diagnostic trouble code meaning: Turbocharger/Supercharger Wastegate B Stuck Open. Common causes: mechanical jamming of the wastegate damper, vacuum valve actuator malfunction. Estimated repair cost: $33–167.
Symptoms
- Reduced engine power
- Increased fuel consumption
- Unstable engine operation
- Noise from the turbocharging system
- Check Engine light comes on
Causes
- Mechanical jamming of the wastegate damper
- Vacuum valve actuator malfunction
- Problems with the pressure control solenoid valve
- Open or short circuit in control circuit
- Defective electronic turbocharger control unit
How to Fix
- Diagnosis of the mechanical condition of the wastegate damper
- Checking Vacuum Lines and Drive
- Testing of solenoid control valves
- Checking continuity of circuit and connections
- Replacing damaged components
Related codes
Error P25B5 by Vehicle Brand
FAQ
What does the P25B5 code mean?
P25B5 is an OBD-II diagnostic trouble code that indicates: Turbocharger/Supercharger Wastegate B Stuck Open
What causes a P25B5 error code?
The most common causes of P25B5 include: Mechanical jamming of the wastegate damper; Vacuum valve actuator malfunction; Problems with the pressure control solenoid valve; Open or short circuit in control circuit.
How do I fix a P25B5 diagnostic trouble code?
To fix P25B5: Diagnosis of the mechanical condition of the wastegate damper. Checking Vacuum Lines and Drive. Testing of solenoid control valves. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P25B5?
Limited driving only, diagnose soon
How much does it cost to fix P25B5?
The estimated repair cost for P25B5 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat