P2874
Clutch B Pressure Disengagement Too High
What it means
P2874 means Clutch B Pressure Disengagement Too High.
Check these first
- Clutch B holding pressure that will not release fast enough
- A stuck clutch B solenoid or valve
- Contaminated fluid blocking the clutch B exhaust port
- A worn clutch B pack dragging on disengagement
- A transmission control module applying clutch B pressure late
What to do next
- Check transmission fluid level and condition
- Read clutch B pressure on a scan tool and compare to commanded
- Test the clutch B solenoid and valve for sticking
- Command clutch B off and watch pressure fall
- Repair the sticking valve or replace the clutch B pack
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.