OBD-II code · Powertrain (generic, extended)
P25F0 Vacuum Pump Control Circuit B Low
Voltage on the secondary vacuum pump control line is below the expected window. Usually a short to ground or a shorted motor winding.
Is it safe to drive with P25F0?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyControl wire shorted to ground
- PossibleInternal short in pump motor winding
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.8–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Vacuum Pump B, Wiring Harness
Related codes
- P258CVacuum Pump Control Circuit A Low
- P25EDSupercharger Disconnect Clutch Circuit High
- P25EEVacuum Pump Control Circuit B / Open
- P25EFVacuum Pump Control Circuit B Range/Performance
- P25F1Vacuum Pump Control Circuit B High
- P25F2Turbocharger/Supercharger Boost Sensor C Circuit
- P25F3Turbocharger/Supercharger Boost Sensor C Circuit Range/Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.