OBD-II code · Powertrain (generic)
P087B Clutch Position Sensor B Circuit Range/Performance
The ECM detects a range/performance fault on the clutch position sensor b circuit. Reading cannot be used reliably for control.
Is it safe to drive with P087B?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySensor characteristic drifted
- PossibleSensor mounting displaced
- Less likelySensor element aged beyond calibration window
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
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Clutch Position Sensor B, Wiring Harness, Tcm
Related codes
- P0806Clutch Position Sensor A Circuit Range/Performance
- P0878Transmission Fluid Pressure Sensor/Switch D Circuit High
- P0879Transmission Fluid Pressure Sensor/Switch D Circuit Intermittent
- P087AClutch Position Sensor B Circuit
- P087CClutch Position Sensor B Circuit Low
- P087DClutch Position Sensor B Circuit High
- P087EClutch Position Sensor B Circuit Intermittent
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.