P047E – BMW DTC

BMW DTC P047E – Exhaust Pressure Sensor ‘B’ Circuit Intermittent/Erratic

DTC P047E meaning on BMW

The Diagnostic Trouble Code (DTC) P047E for BMW refers to an Exhaust Pressure Sensor ‘B’ Circuit Intermittent/Erratic issue. This code indicates that there is a problem with the exhaust pressure sensor circuit, specifically sensor ‘B’, which is causing intermittent or erratic readings.

BMW DTC P047E symptoms

Symptoms of the DTC P047E on a BMW may include:

• Check Engine Light (CEL) illuminated on the dashboard
• Reduced engine performance
• Increased fuel consumption
• Engine stalling or rough idling

BMW DTC P047E causes

Common causes of the DTC P047E on a BMW include:

• Faulty exhaust pressure sensor ‘B’
• Wiring or connector issues in the sensor circuit
• Exhaust system leaks or blockages
• Software or calibration issues

BMW DTC P047E seriousness

The DTC P047E should not be ignored as it can lead to poor engine performance and potential damage if left unresolved. It is recommended to address this issue promptly to prevent further complications.

How to diagnose DTC P047E on BMW

To diagnose the DTC P047E on a BMW, you can follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes and freeze frame data
2. Inspect the exhaust pressure sensor ‘B’ and its wiring for any visible damage or corrosion
3. Check for exhaust leaks or blockages in the system
4. Perform a sensor test using a multimeter to check for proper voltage and resistance

How to fix DTC P047E on BMW

To fix the DTC P047E on a BMW, you can try the following solutions:

1. Replace the faulty exhaust pressure sensor ‘B’
2. Repair or replace any damaged wiring or connectors in the sensor circuit
3. Address any exhaust system leaks or blockages
4. Update the software or calibration of the engine control module if necessary

How to erase DTC P047E on BMW

To erase the DTC P047E on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the engine control module. After addressing the underlying issue and making the necessary repairs, you can reset the codes to turn off the Check Engine Light.

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.