OBD Guide

P255E

PTO Speed Selector Sensor/Switch 2 Circuit Intermittent/Erratic

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$17–89 (est.)

Symptoms

  • Unstable PTO operation
  • Periodic PTO shutdown
  • Check Engine Light Illuminates
  • Inability to activate PTO
  • Reduced engine power

Causes

  • PTO 2 speed sensor malfunction
  • Open or short circuit in the sensor circuit
  • Oxidation of contacts in connectors
  • Poor circuit grounding
  • ECU software error

How to Fix

  1. Check the integrity of the sensor wiring and connectors
  2. Check PTO 2 speed sensor resistance
  3. Clean connector contacts from oxides
  4. Check circuit grounding
  5. Flash or replace ECU if necessary

Related codes

Error P255E by Vehicle Brand