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September 26, 2025 Service bulletin

This bulletin provides informaton when there is a software error; DTC U178500 passive/sporadic.

Audi technical service bulletin TSB_2073131_4 for 2022-2025 Audi A3, 2022-2023, 2025 Audi Q3 and 2022-2025 Audi S3 and others.

Bulletin number
TSB_2073131_4
Component
Electrical system
Summary
This bulletin provides informaton when there is a software error; DTC U178500 passive/sporadic.

Owners of these vehicles have filed 26 complaints in the electrical category.

Vehicles covered

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