BMW DTC P251E – PTO Engine Shutdown Circuit Low
DTC P251E meaning on BMW
The Diagnostic Trouble Code (DTC) P251E for BMW refers to the PTO (Power Take-Off) Engine Shutdown Circuit Low. This code indicates that the circuit responsible for shutting down the PTO engine is experiencing a low voltage condition.
BMW DTC P251E symptoms
Symptoms of the BMW DTC P251E may include:
- Engine stalling when the PTO is engaged
- Loss of power to the PTO system
- Check Engine Light (CEL) illuminated on the dashboard
BMW DTC P251E causes
Common causes of the BMW DTC P251E may include:
- Faulty PTO engine shutdown circuit
- Corroded or damaged wiring in the circuit
- Defective PTO engine shutdown relay
BMW DTC P251E seriousness
The DTC P251E for BMW should be addressed promptly to prevent potential engine stalling and loss of power to the PTO system. Ignoring this code may lead to unsafe driving conditions and further damage to the vehicle.
How to diagnose DTC P251E on BMW
To diagnose the DTC P251E on a BMW, follow these steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the PTO engine shutdown circuit for any visible damage or corrosion
- Test the PTO engine shutdown relay for proper functionality
- Check the voltage levels in the circuit to identify any low voltage issues
How to fix DTC P251E on BMW
To fix the DTC P251E on a BMW, consider the following steps:
- Repair or replace any damaged wiring in the PTO engine shutdown circuit
- Replace the faulty PTO engine shutdown relay if necessary
- Ensure all connections in the circuit are secure and free of corrosion
- Clear the fault codes and test the vehicle to verify the issue has been resolved
How to erase DTC P251E on BMW
To erase the DTC P251E on a BMW, use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer. Once the codes are cleared, test the vehicle to ensure the issue has been resolved and the Check Engine Light is no longer illuminated.
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
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.