2021-2022 Audi Models: Software Update for DTC B200049

Audi has issued a technical service bulletin (TSB) concerning a software-related electrical system issue affecting various 2021-2022 Audi models, including the Audi e-tron. This TSB specifically addresses Diagnostic Trouble Code (DTC) B200049, which is associated with Symptom Code 7353984.

Symptoms

While the specific observable symptoms for the Audi e-tron DTC B200049 are not detailed in the bulletin summary, the presence of this DTC indicates an underlying software fault within the vehicle's electrical system. Owners may notice various electrical anomalies or warning lights related to system malfunctions. The TSB aims to proactively correct this software issue before it leads to more pronounced symptoms.

Fault Codes / DTCs

This technical service bulletin is issued to address the following specific diagnostic trouble code and symptom code:

Diagnosis and Trigger Conditions

Diagnosis for this issue primarily involves scanning the vehicle's onboard diagnostic system for the presence of DTC B200049. This code points directly to a software malfunction within the electrical system. The TSB indicates that the issue is resolved through a software update, suggesting the fault is not hardware-related but rather a programming anomaly.

Repair Procedure Summary

The resolution for the Audi e-tron DTC B200049 involves performing a software update. This update will reprogram the affected control module(s) within the electrical system to correct the underlying fault. This procedure is typically performed by an authorized Audi dealership using specialized diagnostic equipment.

Owner Action

If you own a 2021-2022 Audi model and suspect you may be experiencing electrical system issues, or if your vehicle's diagnostic system indicates DTC B200049, it is recommended to contact your authorized Audi dealership. They can confirm if your vehicle is affected by this TSB and perform the necessary software update. Since this is a software update to correct a manufacturer-identified fault, it is typically covered under warranty.