OBD-II code · Powertrain (generic, extended)
P25A0 Turbocharger B Boost Control Position At Low Limit
Turbocharger B Boost Control Position At Low Limit: the control module has detected this fault condition. This affects turbo/supercharger boost-pressure control.
Is it safe to drive with P25A0?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyBoost leak in the charge-air path
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.8–5 h
- Emissions test
- Likely to fail
- Parts involved
- Turbo Actuator B
Related codes
- P259ETurbocharger A Boost Control Position At Low Limit
- P259DExcessive Time To Enter Closed Loop Turbocharger B Boost Control
- P259FTurbocharger A Boost Control Position At High Limit
- P25A1Turbocharger B Boost Control Position At High Limit
- P25A2Brake System Control Module A Requested MIL Illumination
- P25A3Engine Hood Open
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.