P255B Fault Code

PTO Speed Selector Sensor/Switch 2 Range/Performance

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

The P255B code relates to the PTO (Power Take Off) Speed Selector Sensor/Switch 2 Range/Performance. This sensor plays a crucial role in monitoring the operational speed and range of the PTO system in vehicles equipped with this feature. If the sensor detects a discrepancy in performance, it triggers the P255B fault code.

What are the symptoms of the P255B code?

Common symptoms associated with the P255B fault code may include:

• Warning lights illuminated on the dashboard, particularly the check engine light.
• Reduced PTO functionality or inability to engage PTO operations.
• Erratic behavior in the operation of attached equipment powered by the PTO.
• Performance limitations affecting vehicle operation and efficiency.

What causes the P255B code?

Potential causes of the P255B code may include:

• Faulty PTO speed selector sensor or switch.
• Poor electrical connections or wiring issues within the PTO system.
• Malfunctioning engine control module (ECM) that misinterprets sensor data.
• Mechanical issues within the PTO system affecting performance.

How to fix P255B?

To resolve the P255B fault code, the following steps are recommended:

• Inspect and, if necessary, repair or replace the PTO speed selector sensor/switch.
• Check electrical connections and wiring for damage or corrosion, and repair as needed.
• Perform a diagnostic scan to rule out ECM issues and ensure accurate sensor readings.
• Test the PTO system thoroughly after repairs are made to ensure proper operation.