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January 13, 2026 Service bulletin

This bulletin provides basic information on damaged high-voltage batteries.

Audi technical service bulletin TSB_2079520_3 for 2019, 2021-2023 Audi E-Tron, 2020-2025 Audi Q5 E and 2022-2026 Audi Q4 E-Tron and others.

Bulletin number
TSB_2079520_3
Component
Electrical system
Summary
This bulletin provides basic information on damaged high-voltage batteries.

Owners of these vehicles have filed 205 complaints in the electrical category.

Vehicles covered

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