OBD-II code · Powertrain (generic, extended)
P2873 Clutch B Pressure Engagement Too High
Clutch B engagement pressure exceeds the calibrated maximum. Risk of harsh engagement and accelerated wear.
Is it safe to drive with P2873?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyPressure regulator stuck at high output
- PossibleControl solenoid characteristic drift
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
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 3–10 h
- Emissions test
- Usually unaffected
- Parts involved
- Clutch B, Clutch Actuator B, Pressure Regulator
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.