OBD Codes List

Diagnostic reference · P087D

P087D

Clutch Position Sensor B Circuit High

System
Transmission (P code)
Lamp
Check Engine Light
Category
Powertrain - Transmission

What it means

P087D means Clutch Position Sensor B Circuit High.

Where it lives

For P087D, the sensor sits on the circuit this code reports. The description of P087D reports a fault at the sensor.

Check these first

  • An open in the sensor B ground wire
  • A signal wire shorted to voltage
  • A clutch position sensor B with high output
  • A loose sensor B connector pin

What to do next

  1. Read clutch position sensor B voltage
  2. Test the signal wire for a short to voltage
  3. Test the ground wire for an open
  4. Wiggle test the sensor connector
  5. Replace the sensor if the signal stays high
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.