BMW DTC P255E – PTO Speed Selector Sensor/Switch 2 Circuit Intermittent/Erratic
DTC P255E meaning on BMW
The DTC P255E on a BMW refers to the PTO (Power Take-Off) Speed Selector Sensor/Switch 2 Circuit Intermittent/Erratic. This diagnostic trouble code indicates that there is an intermittent or erratic issue with the sensor or switch responsible for selecting the speed of the power take-off system in the vehicle.
BMW DTC P255E symptoms
Symptoms of the BMW DTC P255E may include:
- Intermittent or erratic operation of the power take-off system
- Loss of power or performance
- Check Engine Light (MIL) illuminated on the dashboard
BMW DTC P255E causes
Common causes of the BMW DTC P255E may include:
- Faulty PTO Speed Selector Sensor/Switch 2
- Wiring or connection issues in the sensor circuit
- Intermittent electrical problems
BMW DTC P255E seriousness
The DTC P255E on a BMW should not be ignored, as it can lead to performance issues and potential safety concerns if the power take-off system is not functioning correctly. It is recommended to address this issue promptly to ensure the proper operation of the vehicle.
How to diagnose DTC P255E on BMW
To diagnose the DTC P255E on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s computer.
- Inspect the PTO Speed Selector Sensor/Switch 2 and its wiring for any visible damage or corrosion.
- Perform a continuity test on the sensor/switch and check for proper voltage signals.
- Check for any loose connections or poor grounds in the sensor circuit.
How to fix DTC P255E on BMW
To fix the DTC P255E on a BMW, you can try the following:
- Replace the faulty PTO Speed Selector Sensor/Switch 2 with a new one.
- Repair any damaged wiring or connections in the sensor circuit.
- Clear the fault codes using a diagnostic scanner after the repairs have been made.
How to erase DTC P255E on BMW
To erase the DTC P255E on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer. Once the repairs have been completed and the issue has been resolved, you can reset the Check Engine Light and ensure that the code does not reappear.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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