P20FE – BMW DTC

BMW DTC P20FE – Reductant Metering Unit Performance

DTC P20FE meaning on BMW

The DTC P20FE code on a BMW indicates a fault related to the Reductant Metering Unit’s performance. The Reductant Metering Unit is responsible for controlling the injection of the diesel exhaust fluid (DEF) into the exhaust system to reduce emissions.

BMW DTC P20FE symptoms

Symptoms of the DTC P20FE code on a BMW may include:

• Check Engine Light illuminated
• Reduced engine performance
• Increased fuel consumption
• Difficulty starting the vehicle

BMW DTC P20FE causes

Common causes of the DTC P20FE code on a BMW include:

• Defective Reductant Metering Unit
• Issues with the DEF system
• Wiring or connector problems
• Software issues

BMW DTC P20FE seriousness

The DTC P20FE code should not be ignored as it can lead to increased emissions and potential damage to the vehicle’s emission control system. It is recommended to address this issue promptly to ensure proper vehicle operation and compliance with emissions regulations.

How to diagnose DTC P20FE on BMW

To diagnose the DTC P20FE code on a BMW, a mechanic may perform the following steps:

1. Use a diagnostic scanner to retrieve the fault codes
2. Inspect the Reductant Metering Unit for any visible damage or leaks
3. Check the DEF system components for proper operation
4. Inspect wiring and connectors for any signs of damage
5. Perform a software update if necessary

How to fix DTC P20FE on BMW

To fix the DTC P20FE code on a BMW, the following steps may be taken:

1. Replace the Reductant Metering Unit if it is found to be faulty
2. Repair or replace any damaged wiring or connectors
3. Clean or replace the DEF system components as needed
4. Perform a software update to ensure proper operation

How to erase DTC P20FE on BMW

To erase the DTC P20FE code on a BMW, a diagnostic scanner can be used to clear the fault codes stored in the vehicle’s computer system. Once the repairs have been made and the issue resolved, the code can be cleared 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

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