The P255E: PTO Speed Selector Sensor/Switch 2 Circuit Intermittent/Erratic refers to an issue where the signal from the PTO (Power Take-Off) speed selector sensor or switch 2 is inconsistent, unstable, or erratic. This can be caused by faulty wiring, poor electrical connections, or a failing sensor, which can impact the proper functioning of the PTO system.
P255E – Quick Overview
| Code | Information |
|---|---|
| Meaning | P255E: PTO Speed Selector Sensor/Switch 2 Circuit Intermittent/Erratic |
| Is it serious? | Yes, as erratic or intermittent signals can lead to unreliable PTO operation, affecting the performance of auxiliary equipment dependent on PTO. |
| Possible causes | – Intermittent or erratic signal in the PTO speed selector sensor/switch 2 circuit – Faulty PTO speed selector sensor/switch – Wiring or connector issues |
| How to diagnose? | – Check for intermittent or erratic issues in the PTO speed selector sensor/switch 2 circuit – Inspect wiring and connectors – Test and possibly replace the PTO speed selector sensor/switch |
P255E Meaning
The P255E: PTO Speed Selector Sensor/Switch 2 Circuit Intermittent/Erratic code indicates that the signal coming from the PTO speed selector sensor or switch 2 is inconsistent or erratic. This type of issue can cause incorrect or unpredictable behavior of the PTO system, which may affect any equipment relying on the PTO for stable performance, such as agricultural implements or utility tools.
Step-by-step diagnostic guide
| Action | Description | Tools Needed |
|---|---|---|
| Check for Other Codes | Use an OBD-II scanner to determine if there are any related codes present that may help in diagnosing additional issues affecting the PTO system. | OBD-II Scanner |
| Check for Intermittent/Erratic Issues in the PTO Circuit | Observe the PTO speed selector sensor/switch 2 circuit for any intermittent behaviors. Wiggle test the wiring while monitoring sensor readings to detect fluctuations in the signal. | OBD-II Scanner, Multimeter |
| Inspect Wiring and Connectors | Visually inspect the wiring and connectors for any signs of loose connections, corrosion, or damaged wires that could contribute to unstable signals. Focus on areas with movement or vibration. | Flashlight, Safety Gloves |
| Test the PTO Speed Selector Sensor/Switch | Use a diagnostic tool or multimeter to measure the output from the PTO speed selector sensor/switch 2. Verify that the sensor maintains a stable signal under different operating conditions. | Multimeter, Diagnostic Tool |
| Repair or Replace Faulty Wiring/Connectors | If any wiring issues or faulty connectors are found, repair or replace them to eliminate the source of the intermittent signal. Ensure all connections are secure and corrosion-free. | Basic Tools, Replacement Parts |
| Replace the PTO Speed Selector Sensor/Switch | If the sensor/switch is found to be faulty, replace it with a new component. Ensure the replacement sensor is properly calibrated and functioning consistently under operational conditions. | Replacement PTO Speed Selector Sensor/Switch |
| Clear the Code and Test Drive | After completing the necessary repairs, use an OBD-II scanner to clear the fault code. Engage the PTO system during a test drive to verify that the erratic signal issue has been resolved. | OBD-II Scanner, Vehicle Owner’s Manual |
| Recheck for Codes | Re-scan the vehicle using an OBD-II scanner to confirm that the P255E code has not returned. If the code persists, further diagnostics may be required to identify and correct any remaining issues. | OBD-II Scanner |
Free PDF: How to choose OBD2 scanner
I’ve made you a free PDF to choose the OBD2 scanner in 5 minutes.
✅ Which OBD2 scanner is best?
✅ Which type should you get (DIY, Pro, Hobby)
✅ What is the best scanner for the exact brand/feature (e.g best for BMW)
✅ How to get a Bi-Directional tool for as cheap as $40
✅ Discount coupons for scanners
PDF is 100% free and it is designed to help you pick a scanner in less than a few minutes! Not a boring 50-page guide.
Just tell me where to send it.
Hi, I am Juraj “Yuri” Lukacko. I got frustrated by unhelpful and scammy mechanics, so I decided to learn everything about car diagnostics myself. I test dozens of new car diagnostic tools every month along with learning new strategies to fix and customize cars. About Juraj Lukacko (Yuri)