OBD II Fault Code

  • OBD II P255D

OBD-II Code Powertrain Control Module (PCM) failure is defined as a PTO Speed Selector Sensor/Switch 2 Circuit High

The PTO allows Auxiliary equipment such as a dump bed or plow to be hydraulically operated using the vehicle's transmission. The PTO Speed Selector allows the PTO to be operated at different speeds. If the Speed Selector switch sends back an implausible signal, code P255D will be set and the PTO will be disabled.

Powertrain Control Module (PCM) failure Symptoms

  • PTO system disabled

Common Problems That Trigger the P255D Code

  • Powertrain Control Module (PCM) failure
  • PTO speed selector switch failure
  • Wiring issue
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