OBD-II code · Powertrain (generic, extended)
P258B Vacuum Pump Control Circuit A Range/Performance
The vacuum pump control circuit is electrically intact, but the pump response does not match the model — pump runs longer than expected to reach setpoint, current draw rises (mechanically tight) or vacuum does not build at all. Aged motor brushes, dry vanes or a leaking line are typical causes.
Is it safe to drive with P258B?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyAged motor brushes or dry vanes
- PossibleLeaking vacuum line
- Less likelySensor element aged beyond calibration window
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–2.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Vacuum Pump, Vacuum Lines
Related codes
- P258AVacuum Pump Control Circuit A/Open
- P25EFVacuum Pump Control Circuit B Range/Performance
- P2588Turbocharger Boost Control Position Sensor B Circuit Low
- P2589Turbocharger Boost Control Position Sensor B Circuit High
- P258CVacuum Pump Control Circuit A Low
- P258DVacuum Pump Control Circuit A High
- P258EPTO Enable Switch Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.