2022 Audi e-tron Traffic Sign Setting Not Saved TSB

Symptoms

Owners of certain 2022 Audi models, including the Audi e-tron, may notice that their "traffic sign-based speed limit threshold setting is not permanently stored in the vehicle." This means that any custom settings for the traffic sign warning system are lost. The system will reset to its default value after the vehicle enters a "bus sleep" state, which typically occurs after the ignition is turned off for a period.

This persistent resetting of the traffic sign-based speed limit threshold can be frustrating for drivers who prefer specific warning parameters. If you are experiencing this issue with your Audi e-tron traffic sign warning, a technical service bulletin has been issued to address it.

Technical Background

Audi has identified that the root cause of the traffic sign-based speed limit threshold setting not being permanently stored is a software-related issue. This problem specifically affects the driver assist systems control unit, identified as -J1121-. A glitch within the software of this control unit prevents it from retaining the user's preferred settings for the traffic sign warning system across ignition cycles.

Repair Procedure Summary

To resolve the issue where the traffic sign-based speed limit threshold setting is not permanently stored, Audi has released Technical Service Bulletin (TSB) 90 24 91 2073988/1, dated May 21, 2024. This TSB directs technicians to perform the necessary repair as outlined in a separate, referenced TSB, number 2069244. The specific, detailed steps for diagnosing and fixing the software issue, including any required software updates or component replacements for the -J1121- control unit, are contained within TSB 2069244.

For vehicles currently in production, a software solution identified as SW0365 has been implemented for the driver assist systems control unit -J1121- to prevent this issue from occurring on new vehicles. This ensures that newer models rolling off the production line will not exhibit the same problem with the Audi e-tron traffic sign warning settings.

Warranty Information

For all warranty claims related to the repair of the "traffic sign-based speed limit threshold setting is not permanently stored in the vehicle" issue, technicians and service centers should refer to TSB 2069244. This separate bulletin provides comprehensive details regarding warranty procedures, including applicable claim types, damage codes, labor operations, and time units for the repair. Owners should consult their authorized Audi dealership for specific warranty coverage details pertaining to their vehicle.

Owner Action

If you own a 2022 Audi e-tron or another affected 2022 Audi model and are experiencing the traffic sign warning settings resetting, you should contact your authorized Audi dealership. Inform them about the issue with your "traffic sign-based speed limit threshold setting is not permanently stored in the vehicle" and reference Technical Service Bulletin 2073988/1. The dealership will be able to diagnose the problem and perform the necessary software update or repair as per the specified TSB 2069244.

Source: NHTSA ID: 11002253