P0806
Clutch Position Sensor A Circuit Range/Performance
Clutch position sensor A is electrically intact, but its readings drift away from the model — for example the position does not move when the actuator is commanded, or the offset shifts after a thermal cycle. Often a misadjusted sensor mount.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
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
Common causes
Ordered by how often each turns out to be the cause.
- Sensor misalignment after serviceCommon
- Aged Hall elementPossible
- Sensor element aged beyond calibration windowLess likely
Parts involved
- Clutch Position Sensor A
P0806 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.