P255B
PTO Speed Selector Sensor/Switch 2 Range/Performance
What it means
P255B means PTO Speed Selector Sensor/Switch 2 Range/Performance.
Where it lives
For P255B, the part to look at first is the sensor named here.
Check these first
- A PTO speed selector 2 signal outside its expected range
- Incorrect adjustment of the PTO speed selector sensor 2
- Corrosion at the PTO speed selector sensor 2 connector
- A mechanical fault in the PTO drivetrain
What to do next
- Read PTO speed selector sensor 2 on a scan tool
- Compare the signal to the commanded PTO speed
- Check the adjustment of the PTO speed selector sensor 2
- Inspect the PTO drivetrain for mechanical faults
- Replace the PTO speed selector sensor 2 if the adjustment and drivetrain test good
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.