OBD Guide

P255D

PTO Speed Selector Sensor/Switch 2 Circuit High

P255D is an OBD-II diagnostic trouble code meaning: PTO Speed Selector Sensor/Switch 2 Circuit High. Common causes: short circuit to positive in the sensor circuit, pto sensor/switch malfunction. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Incorrect PTO operation
  • PTO system failure
  • Check Engine Light Illuminates
  • Reduced engine power
  • Errors in the operation of additional equipment

Causes

  • Short circuit to positive in the sensor circuit
  • PTO sensor/switch malfunction
  • Wiring harness damage
  • Poor contact in connectors
  • Engine control unit malfunction

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the voltage in the sensor circuit
  3. Check sensor/switch resistance
  4. Clean connector contacts
  5. Replace faulty sensor/switch

Related codes

Error P255D by Vehicle Brand

FAQ

What does the P255D code mean?

P255D is an OBD-II diagnostic trouble code that indicates: PTO Speed Selector Sensor/Switch 2 Circuit High

What causes a P255D error code?

The most common causes of P255D include: Short circuit to positive in the sensor circuit; PTO sensor/switch malfunction; Wiring harness damage; Poor contact in connectors.

How do I fix a P255D diagnostic trouble code?

To fix P255D: Check the integrity of the wiring harness. Check the voltage in the sensor circuit. Check sensor/switch resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P255D?

Yes, but get it checked soon

How much does it cost to fix P255D?

The estimated repair cost for P255D is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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