OBD-II code · Powertrain (generic)
P08B9 Clutch Pedal Position Sensor A/B Correlation
The signals of clutch pedal position sensors A and B do not correlate within the calibrated tolerance.
Is it safe to drive with P08B9?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyOne sensor characteristic drifted
- PossibleHarness incorrectly swapped
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–2 h
- Emissions test
- Usually unaffected
- Parts involved
- Clutch Pedal Position Sensor A, Clutch Pedal Position Sensor B, Ecm
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.