BMW DTC P20DA – Exhaust Aftertreatment Fuel Supply Control Circuit High
DTC P20DA meaning on BMW
The Diagnostic Trouble Code (DTC) P20DA for BMW refers to an issue with the Exhaust Aftertreatment Fuel Supply Control Circuit being detected as high. This code indicates a problem with the fuel supply control circuit in the exhaust aftertreatment system of the vehicle.
BMW DTC P20DA symptoms
Symptoms of the BMW DTC P20DA may include:
- Check Engine Light illuminated on the dashboard
- Reduced engine performance
- Increased fuel consumption
- Possible exhaust system-related issues
BMW DTC P20DA causes
Common causes of the BMW DTC P20DA may include:
- Faulty Exhaust Aftertreatment Fuel Supply Control Module
- Wiring or connector issues in the fuel supply control circuit
- Problems with the fuel supply system
BMW DTC P20DA seriousness
The seriousness of the BMW DTC P20DA code depends on the underlying cause. Ignoring this code can lead to reduced engine performance, increased emissions, and potential damage to the exhaust aftertreatment system. It is recommended to address this issue promptly to prevent further complications.
How to diagnose DTC P20DA on BMW
To diagnose the DTC P20DA on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the Exhaust Aftertreatment Fuel Supply Control Module for any visible damage
- Check the wiring and connectors in the fuel supply control circuit for any issues
- Test the fuel supply system for proper operation
How to fix DTC P20DA on BMW
To fix the DTC P20DA on a BMW, the following steps may be taken:
- Replace the faulty Exhaust Aftertreatment Fuel Supply Control Module if necessary
- Repair or replace any damaged wiring or connectors in the fuel supply control circuit
- Address any issues with the fuel supply system
- Clear the fault codes and perform a test drive to ensure the issue has been resolved
How to erase DTC P20DA on BMW
To erase the DTC P20DA on a BMW, the fault codes can be cleared using a diagnostic scanner. After the necessary repairs have been made to address the underlying issue, the fault codes can be cleared to reset the Check Engine Light and ensure that the problem 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
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.