P0807 Clutch Position Sensor Circuit Low

P0807 indicates a low clutch position sensor circuit input. The clutch position signal is lower than the controller expects.

Code details

Generic OBD-II · P0

System: Transmission
Code type: Generic (SAE / ISO controlled)
Standard: SAE J2012 / ISO 15031-6

Diagnostic boundary

A diagnostic trouble code reports that a monitored test failed. It does not prove one specific part is bad, and manufacturer logic can add vehicle-specific conditions.

Do not replace the clutch assembly for a low sensor input; prove the position circuit and adjustment first.

Symptoms of P0807

Harsh, delayed, or slipping shifts, or being stuck in one gear.
Check-engine light, sometimes with limp-home mode.
Flaring RPM or a shudder under load.

Common causes of P0807

Low or degraded transmission fluid.
A failing speed sensor, shift solenoid, or pressure-control circuit.
Wiring, connector, or internal hydraulic/mechanical faults.

Useful checks before replacing parts

Check sensor reference voltage, ground, signal circuit, connector condition, and pedal or actuator linkage position.
Compare live clutch position data with actual pedal movement while watching for signal dropouts.
Inspect for short-to-ground, misadjustment, sensor damage, or harness damage near the pedal or transmission.

Related OBD-II codes

These nearby transmission entries can help compare wording and pin down the fault area.