Powertrain
generic / SAE
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.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / F0
Possible causes
- Control wire shorted to ground high
- Internal short in pump motor winding medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–800 €
- Estimated time: 0.8–3 h
- Component: vacuum pump b
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012