U059F – BMW DTC

BMW DTC U059F – Invalid Data Received From NOx Sensor ‘B’

DTC U059F meaning on BMW

DTC U059F on a BMW indicates that the Engine Control Module (ECM) has detected invalid data being received from the NOx (Nitrogen Oxide) sensor ‘B’. This sensor is responsible for monitoring the levels of nitrogen oxide in the exhaust gases to ensure compliance with emissions regulations.

BMW DTC U059F symptoms

Symptoms of DTC U059F on a BMW may include:

• Check Engine Light (MIL) illuminated
• Reduced engine performance
• Increased fuel consumption
• Possible emission of higher levels of nitrogen oxide

BMW DTC U059F causes

The possible causes of DTC U059F on a BMW include:

• Faulty NOx sensor ‘B’
• Wiring or connector issues in the sensor circuit
• Software or programming issues in the ECM
• Exhaust system leaks or damage

BMW DTC U059F seriousness

DTC U059F should not be ignored as it can lead to increased emissions and potential non-compliance with environmental regulations. Additionally, prolonged exposure to high levels of nitrogen oxide can be harmful to the environment and human health.

How to diagnose DTC U059F on BMW

To diagnose DTC U059F on a BMW, a mechanic may perform the following steps:

1. Use a diagnostic scanner to retrieve the fault codes
2. Inspect the NOx sensor ‘B’ and its wiring for any visible damage
3. Check the sensor’s output using a multimeter
4. Perform a software update on the ECM if necessary

How to fix DTC U059F on BMW

To fix DTC U059F on a BMW, the following steps may be taken:

1. Replace the faulty NOx sensor ‘B’
2. Repair any damaged wiring or connectors in the sensor circuit
3. Update the ECM software to the latest version
4. Ensure the exhaust system is free from leaks or damage

How to erase DTC U059F on BMW

To erase DTC U059F on a BMW, follow these steps:

1. Use a diagnostic scanner to clear the fault codes
2. After making any necessary repairs, drive the vehicle to allow the ECM to re-run its diagnostics
3. Check for the return of the fault code, indicating whether the issue has been resolved

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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