2023-2024 Audi e-tron GT Bluetooth Antenna DTC B1A9913

Important Warning for Owners

Audi has issued a critical warning regarding Diagnostic Trouble Code (DTC) B1A9913. The manufacturer explicitly states, "No repair is available at this time." Furthermore, technicians are advised, "Do not perform any repairs. Any repairs for this concern may be denied." This means owners should not seek service for this particular DTC, as it is not a functional issue.

Symptoms

Owners of 2023-2024 Audi e-tron GT and RS e-tron GT models will not experience any noticeable driving or functional symptoms related to this issue. The TSB confirms that the presence of DTC B1A9913 has "no effect on the vehicle's functionality." The only indication of this condition is the diagnostic trouble code itself, which may be found during a workshop scan of the emergency call and communications unit (J989).

Fault Codes / DTCs

This Technical Service Bulletin (TSB) specifically addresses the following diagnostic trouble code:

Code	Description	Module	Condition
B1A9913	Bluetooth antenna, low energy interruption	J989 (emergency call and communications unit)	Active/Static

This DTC B1A9913 is stored in address word 0075 of the J989 unit.

Technical Background

Audi has identified that DTC B1A9913, indicating a "Bluetooth antenna, low energy interruption," is an erroneous entry caused by a software-related malfunction. This is often referred to as a "ghost DTC" because it appears in the diagnostic system without representing an actual hardware failure or impacting the vehicle's performance. The TSB 2069361/1 confirms that this particular fault code does not affect the vehicle's functionality, ensuring that your 2023-2024 Audi e-tron GT operates as intended despite the diagnostic entry.

What Audi is Doing

Audi has recognized this software anomaly and has a production solution planned. This fix for the erroneous DTC B1A9913 is scheduled to be implemented in Model Year 2025 vehicles. This indicates that future production models will likely not exhibit this specific ghost DTC.

What Owners Should Do

If you own a 2023-2024 Audi e-tron GT or RS e-tron GT and a diagnostic scan reveals DTC B1A9913, there is no action required on your part. As per Audi TSB 2069361/1, no repair is currently available or necessary for this condition. Attempting to repair this specific fault will not resolve any functional issues, as none exist, and any such repairs may not be covered under warranty. This TSB is purely informational, designed to prevent unnecessary diagnostic work and parts replacement for a non-existent problem. Therefore, if you encounter the Audi e-tron GT Bluetooth antenna B1A9913 code, simply be aware that it is a known software bug with no impact on your vehicle.

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NHTSA ID: 10231573