What does code P087C mean?

Q: What does code P087C mean?

Clutch Position Sensor B Circuit Low. P087C indicates that the powertrain control module (PCM) has detected a low voltage signal on the circuit for clutch position sensor B, which is used to monitor the travel or engagement point of the clutch in a manual or dual-clutch transmission. The PCM expects a voltage within a specific range as the clutch pedal moves, and a sustained low reading tells the module that the sensor circuit is shorted to ground, has excessive resistance, or the sensor itself has failed.

DTC codes / P08xx · Transmission / P087C

P087CClutch Position Sensor B Circuit Low

P087C indicates that the powertrain control module (PCM) has detected a low voltage signal on the circuit for clutch position sensor B, which is used to monitor the travel or engagement point of the clutch in a manual or dual-clutch transmission. The PCM expects a voltage within a specific range as the clutch pedal moves, and a sustained low reading tells the module that the sensor circuit is shorted to ground, has excessive resistance, or the sensor itself has failed.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaTransmission

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.