P255D Fault Code

PTO Speed Selector Sensor/Switch 2 Circuit High

• What does that mean?
• Symptoms
• Causes
• Solutions

The PTO Speed Selector Sensor/Switch 2 Circuit High fault code indicates that there is an issue with the electrical signal from the PTO speed selector sensor or switch. This sensor is responsible for providing information regarding the speed of the power take-off (PTO) system, which is essential for various functions in agricultural and utility equipment. When the circuit is high, it suggests that the sensor is sending a higher voltage signal than expected, which can lead to improper operation of the PTO system.

What are the symptoms of the P255D code?

Symptoms that may accompany the P255D fault code include:

• PTO system not engaging or disengaging properly
• Erratic behavior of the PTO system, such as inconsistent speed or power delivery
• Warning lights on the dashboard related to the PTO system
• Reduced performance in tasks that rely on the PTO system.

What causes the P255D code?

Common causes for this fault code include:

• A faulty PTO speed sensor or switch
• Damaged wiring or poor electrical connections in the sensor circuit
• Corrosion or moisture ingress in the connector
• Issues with the engine control module (ECM) or software anomalies
• Anomalies in the PTO system affecting signal transmission.

How to fix P255D?

To resolve the P255D fault code, follow these steps:

1. Inspect the PTO speed sensor and switch for damage or wear.
2. Check the wiring and connectors for signs of corrosion, shorts, or loose connections.
3. Use a multimeter to test the electrical signals coming from the PTO speed sensor and compare them with manufacturer specifications.
4. Replace the PTO speed sensor or switch if it is found to be defective.
5. Clear the fault code and test the PTO system to verify proper operation.