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January 30, 2024 Service bulletin

Affected vehicles will receive the latest software version via a software update

Audi technical service bulletin Circ 91FN_REV1 for 2022-2023 Audi Q4 E-Tron and 2022-2023 Audi Q4 E-Tron Sportback.

Bulletin number
Circ 91FN_REV1
Component
Electrical system
Summary
Affected vehicles will receive the latest software version via a software update. This software contains an optimized self-diagnosis function for the high-voltage battery. In addition to the software update, the high-voltage battery cells may experience an increased self-discharge. The high-voltage battery will be evaluated, and any affected high-voltage cell modules will be replaced.

Owners of these vehicles have filed 23 complaints in the electrical category.

Vehicles covered

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