OBD-II code · Powertrain (generic)
P05FF Brake Pressure Sensor and Brake Pedal Position Sensor Correlation
The brake pressure sensor and pedal position sensor disagree by more than the diagnostic tolerance - one indicates pedal action without the other showing pressure, or vice versa.
Is it safe to drive with P05FF?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySensor offset on one channel
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.6–2 h
- Emissions test
- Usually unaffected
- Parts involved
- Brake Pressure Sensor, Brake Pedal Position Sensor A
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.