BMW DTC P204C – Reductant Pressure Sensor Circuit Low
DTC P204C meaning on BMW
DTC P204C on a BMW refers to a fault with the Reductant Pressure Sensor Circuit Low. This diagnostic trouble code indicates that the signal from the reductant pressure sensor has fallen below the expected range, suggesting a potential issue with the sensor or its circuit.
BMW DTC P204C symptoms
Symptoms of DTC P204C on a BMW may include:
- Check Engine Light illuminated
- Reduced engine performance
- Potential decrease in fuel efficiency
BMW DTC P204C causes
Common causes of DTC P204C on a BMW include:
- Defective reductant pressure sensor
- Wiring or connector issues in the sensor circuit
- Corrosion or damage to sensor components
BMW DTC P204C seriousness
The seriousness of DTC P204C on a BMW can vary. While the vehicle may still be operable with this fault, it is important to address the issue promptly to prevent potential long-term damage to the emissions control system and ensure optimal engine performance.
How to diagnose DTC P204C on BMW
To diagnose DTC P204C on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault code and related data.
- Inspect the reductant pressure sensor and its wiring for any visible damage or corrosion.
- Test the sensor’s resistance and voltage output to determine if it is functioning correctly.
How to fix DTC P204C on BMW
To fix DTC P204C on a BMW, you can try the following:
- Replace the reductant pressure sensor if it is found to be faulty.
- Repair any damaged wiring or connectors in the sensor circuit.
- Clear the fault code and perform a test drive to ensure the issue has been resolved.
How to erase DTC P204C on BMW
To erase DTC P204C on a BMW, you can use a diagnostic scanner to clear the fault code from the vehicle’s memory. After addressing the underlying issue causing the fault code, clearing it from the system will reset the Check Engine Light and ensure proper operation.