2024-2025 Audi A3, S3, RS 3 Mileage Cannot Be Written TSB

Owners of 2024-2025 Audi A3, S3, and RS 3 vehicles may encounter a specific issue after the onboard supply control unit J519 (Diagnostic address 0009) has been replaced. This replacement typically occurs following Guided Fault Finding, a fault analysis, or another repair measure outlined in a TSB. The problem manifests as an inability to correctly activate the new control unit, with the workshop tester failing to activate it or the vehicle's mileage not being able to be written.

This specific concern, where the 2024 Audi S3 mileage cannot be written, is detailed in Audi Technical Service Bulletin 2075086/1. The TSB explains that there is a system-related issue concerning data writing during the activation process of the new control unit.

Symptoms

If the onboard supply control unit J519 is replaced in your 2024-2025 Audi A3, S3, or RS 3, you might experience the following:

• The new control unit cannot be activated correctly.
• The workshop tester fails during the control unit activation process.
• The vehicle's mileage cannot be written to the new control unit.

Diagnosis / Trigger Conditions

This issue specifically arises after the onboard supply control unit J519 (Diagnostic address 0009) has been replaced. The problem is a system-related issue during the data writing process, preventing the correct activation and mileage recording for the new unit. This means that if you've recently had this control unit replaced, and you notice the 2024 Audi S3 mileage cannot be written, this TSB applies.

Important Warnings for Technicians and Owners

Audi's Technical Service Bulletin 2075086/1 includes critical instructions to ensure proper repair and safety:

• "You must not return the vehicle to the customer!"
• "You must not perform a road test!"

These warnings emphasize that the vehicle should not be released or driven until the token has been successfully written and the new control unit is fully activated and functional.

Repair Procedure Summary

The repair procedure outlined in TSB 2075086/1 involves a specific sequence of steps using updated diagnostic software to ensure the mileage can be written to the new onboard supply control unit J519. This process addresses the problem where the 2024 Audi S3 mileage cannot be written.

1. Record Mileage: Before replacing the control unit, the current mileage of the vehicle must be accurately noted.
2. Software Requirements: The diagnostic system must be running specific software versions:
   • ODIS-S version: 24.1.1 or higher.
   • Audi brand software version: 2024.08.00 / 2.34.8 or higher.
   • Main feature: 240101.201.60.
3. Control Unit Replacement: The onboard supply control unit J519 is replaced following the guided test plan titled "0009 - Replace control module."
4. Token Generation: During the replacement test plan, a unique token from the new onboard supply control unit will be displayed on the vehicle diagnostic tester.
5. Token Submission: This token must be copied and submitted to the manufacturer. This is done via the "Help - Support - Support request" button, along with the previously noted mileage and the diagnostic log.
6. Support Ticket: An ODIS Service support ticket needs to be created, categorized as "Software error" and "Limited order editing functions possible," with the current diagnostic session attached.
7. Token Application: Once the manufacturer provides the new token, it is copied and pasted into the subsequent step of the test plan.
8. Verification: After the test program successfully completes, the mileage must be checked in the instrument cluster to confirm it has been correctly written.

Warranty Information

For vehicles outside of warranty, this Technical Service Bulletin 2075086/1 is informational only, meaning the repair may not be covered. Warranty claims are processed according to the Audi Warranty Policies and Procedures Manual. The service number for this procedure is 9710, with a damage code of 0039. Labor operations include GFF / Guided Functions with codes 0150 0010 and 0150 0060.

What Owners Should Know

If your 2024-2025 Audi A3, S3, or RS 3 has had its onboard supply control unit J519 replaced and is now experiencing issues where the 2024 Audi S3 mileage cannot be written, it's crucial to inform your Audi service center about this Technical Service Bulletin 2075086/1. This TSB provides the specific steps and software requirements needed to resolve the problem correctly. Ensure your vehicle is not returned to you or driven until the repair is fully completed and verified by the dealership.

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Source: NHTSA ID: 11009407