91FN Dealer Communication
Audi technical service bulletin Circ_91FN_20260522 for 2022-2023 Audi Q4 E-Tron and 2022-2023 Audi Q4 Sportback E-Tron.
- Bulletin number
- Circ_91FN_20260522 (91FN)
- Component
- Unknown or other
- Summary
- 91FN Dealer Communication - Revision. 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. Updated labor operations.
Vehicles covered
- Audi Q4 E-Tron 2022-2023 20222023
- Audi Q4 Sportback E-Tron 2022-2023 20222023
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