BMW DTC P2401 – EVAP System Leak Detection Pump Control Circuit Low
DTC P2401 meaning on BMW
DTC P2401 on a BMW indicates a fault with the Evaporative Emission Control System Leak Detection Pump Control Circuit Low. This code is triggered when the powertrain control module (PCM) detects a low voltage condition in the circuit that controls the leak detection pump.
BMW DTC P2401 symptoms
Symptoms of DTC P2401 on a BMW may include:
- Check Engine Light illuminated
- Decreased fuel efficiency
- Strong fuel odor
- Issues with passing emissions tests
BMW DTC P2401 causes
Common causes of DTC P2401 on a BMW include:
- Faulty leak detection pump
- Wiring or connector issues in the control circuit
- PCM software issues
BMW DTC P2401 seriousness
While DTC P2401 may not cause immediate drivability issues, it can lead to increased emissions and potential long-term damage to the vehicle’s emission control system. It is important to address this code promptly to ensure the vehicle operates efficiently and meets emission standards.
How to diagnose DTC P2401 on BMW
To diagnose DTC P2401 on a BMW, you can perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and freeze frame data
- Inspect the wiring and connectors in the leak detection pump control circuit for any damage or corrosion
- Test the leak detection pump for proper operation
- Check for any software updates for the PCM
How to fix DTC P2401 on BMW
To fix DTC P2401 on a BMW, you can try the following solutions:
- Replace the leak detection pump if it is found to be faulty
- Repair any damaged wiring or connectors in the control circuit
- Update the PCM software to the latest version
How to erase DTC P2401 on BMW
To erase DTC P2401 on a BMW, you can clear the code using a diagnostic scanner that has the capability to reset fault codes. Once the issue has been addressed and fixed, clearing the code will turn off the Check Engine Light.