P2219 – BMW DTC

BMW DTC P2219 – NOx Sensor Heater Control Circuit Low (Bank 2)

DTC P2219 meaning on BMW

DTC P2219 on a BMW indicates an issue with the NOx (Nitrogen Oxide) sensor heater control circuit on Bank 2. This fault code is triggered when the control module detects that the voltage in the NOx sensor heater circuit on Bank 2 is lower than the specified threshold.

BMW DTC P2219 symptoms

Symptoms of DTC P2219 on a BMW may include:

• Check Engine Light (MIL) illuminated
• Reduced engine performance
• Increased emissions
• Possible engine misfires

BMW DTC P2219 causes

Common causes of DTC P2219 on a BMW include:

• Faulty NOx sensor heater
• Wiring or connector issues in the NOx sensor heater circuit
• Defective control module
• Corrosion or damage to sensor components

BMW DTC P2219 seriousness

DTC P2219 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 damage to the emissions control system.

How to diagnose DTC P2219 on BMW

To diagnose DTC P2219 on a BMW, a mechanic may perform the following steps:

1. Use a diagnostic scanner to retrieve the fault code and freeze frame data
2. Inspect the wiring and connectors in the NOx sensor heater circuit for any damage or corrosion
3. Test the NOx sensor heater for proper resistance and functionality
4. Check the control module for any faults or programming issues

How to fix DTC P2219 on BMW

To fix DTC P2219 on a BMW, the following steps may be taken:

1. Replace the faulty NOx sensor heater
2. Repair or replace any damaged wiring or connectors in the circuit
3. If the control module is faulty, it may need to be reprogrammed or replaced
4. Clear the fault code and perform a test drive to ensure the issue has been resolved

How to erase DTC P2219 on BMW

To erase DTC P2219 on a BMW, follow these steps:

1. Use a diagnostic scanner to clear the fault code
2. Perform a test drive to ensure the code does not return
3. If the fault code persists, further diagnosis and repairs may be necessary

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.