P255E
PTO Speed Selector Sensor/Switch 2 Circuit Intermittent/Erratic
PTO speed selector 2 signal jumps or drops out — usually a worn rotary contact or vibration on the work attachment.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Worn rotary contactCommon
- Connector with intermittent contact under vibrationLess likely
- Harness routed against vibrating componentLess likely
Parts involved
- Pto Speed Selector 2
P255E 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.