P2224 – BMW DTC

BMW DTC P2224 – NOx Sensor Heater Sense Circuit High (Bank 2)

DTC P2224 meaning on BMW

DTC P2224 on a BMW indicates an issue with the NOx (Nitrogen Oxide) sensor heater sense circuit on Bank 2. This fault code specifically points to a high voltage condition detected in the NOx sensor heater sense circuit of Bank 2.

BMW DTC P2224 symptoms

Symptoms of DTC P2224 on a BMW may include:

• Check Engine Light (MIL) illuminated
• Reduced engine performance
• Possible increase in emissions

BMW DTC P2224 causes

Common causes of DTC P2224 on a BMW include:

• Faulty NOx sensor
• Issues with the NOx sensor heater circuit
• Wiring or connector problems in the sensor circuit
• ECU (Engine Control Unit) malfunction

BMW DTC P2224 seriousness

DTC P2224 should not be ignored as it can lead to increased emissions and potential engine performance issues. While the vehicle may still be operable, it is recommended to address this fault code promptly to prevent further complications.

How to diagnose DTC P2224 on BMW

To diagnose DTC P2224 on a BMW, you can perform the following steps:

1. Use a diagnostic scanner to retrieve the fault code and related data
2. Inspect the wiring and connectors in the NOx sensor heater circuit
3. Test the NOx sensor and its heater for proper functionality
4. Check for any other related fault codes or issues

How to fix DTC P2224 on BMW

To fix DTC P2224 on a BMW, you may need to:

1. Replace the faulty NOx sensor
2. Repair any wiring or connector issues in the sensor circuit
3. Address any ECU malfunctions if detected
4. Clear the fault code and perform a test drive to ensure the issue is resolved

How to erase DTC P2224 on BMW

To erase DTC P2224 on a BMW, you can:

1. Use a diagnostic scanner to clear the fault code
2. Ensure that the underlying issue causing the fault code has been resolved
3. Perform a test drive to confirm that the fault code does not return