Powertrain
generic / SAE
P28DF
Clutch B Pressure Sensor Circuit Range/Performance
The clutch B pressure signal does not match plausibility checks against actuator commands. Sensor drift or installation offset.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number8 / DF
Possible causes
- Sensor zero point drifted high
- Sensor mounting loose - bias offset medium
- Sensor element aged beyond calibration window low
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
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–900 €
- Estimated time: 1–4 h
- Component: clutch pressure sensor b
- Component: wiring harness
- Component: tcm
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012