P220E – BMW DTC

BMW DTC P220E – NOx Sensor Heater Control Circuit Range/Performance, Bank 1 Sensor 1

DTC P220E meaning on BMW

DTC P220E is a diagnostic trouble code that indicates an issue with the NOx (nitrogen oxide) sensor heater control circuit for Bank 1 Sensor 1 in a BMW vehicle. This code specifically relates to a range/performance problem, suggesting that the NOx sensor’s heater control circuit is not operating within the expected parameters.

BMW DTC P220E symptoms

Symptoms of DTC P220E in a BMW may include:

• Check Engine Light (MIL) illuminated
• Reduced engine performance
• Increased fuel consumption
• Possible emission control system issues

BMW DTC P220E causes

Common causes of DTC P220E in a BMW include:

• Faulty NOx sensor heater
• Wiring or connector issues in the sensor circuit
• Defective engine control module (ECM)
• Software glitches

BMW DTC P220E seriousness

The seriousness of DTC P220E on a BMW depends on the underlying cause. Ignoring this code can lead to increased emissions, reduced fuel efficiency, and potential damage to the catalytic converter or other emission control components. It is recommended to address this issue promptly to prevent further complications.

How to diagnose DTC P220E on BMW

To diagnose DTC P220E on a BMW, you can follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes
2. Inspect the wiring and connectors related to the NOx sensor heater
3. Test the NOx sensor heater for proper operation
4. Check the ECM for any stored codes or issues

How to fix DTC P220E on BMW

To fix DTC P220E on a BMW, you may need to:

1. Replace the faulty NOx sensor heater
2. Repair any damaged wiring or connectors in the sensor circuit
3. Update the ECM software if necessary
4. Clear the fault codes and perform a test drive to ensure the issue is resolved

How to erase DTC P220E on BMW

To erase DTC P220E on a BMW, you can:

1. Use a diagnostic scanner to clear the fault codes
2. Perform a battery reset by disconnecting the negative terminal for a few minutes
3. Ensure the underlying issue has been fixed before clearing the code

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

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