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December 17, 2025 Service bulletin

Engine Control Module Software Update (WARR EXT – U82)

Audi technical service bulletin Bulletin 53ZC for 2022-2025 Audi A6, 2022-2025 Audi Q7 and 2022-2024 Audi S4 and others.

Bulletin number
Bulletin 53ZC (53ZC)
Component
Unknown or other
Summary
Engine Control Module Software Update (WARR EXT – U82)

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