Service bulletins for the 2023 Audi A6
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
997 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with type: Service campaign are shown. Show all
| Dealer 27BQ_REV10 | 2025-02-05. Service campaign. UNKNOWN OR OTHER. Under this service action, Audi dealers will replace the starter-alternator in affected vehicles at no cost to owners. A defective starter-alternator may inhibit start/stop functionality which could increase CO2 and other emissions while the vehicle is stopped. Emissions still remain within certification standards. Updated affected vehicle chart, owner notification letters, parts and claiming sections to reflect the addition of the final wave of vehicles. Updated note in Section C work instructions. |
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| Circular 27BQ_REV10 | 2025-02-05. Service campaign. UNKNOWN OR OTHER. Under this service action, Audi dealers will replace the starter-alternator in affected vehicles at no cost to owners. A defective starter-alternator may inhibit start/stop functionality which could increase CO2 and other emissions while the vehicle is stopped. Emissions still remain within certification standards. Updated affected vehicle chart, owner notification letters, parts and claiming sections to reflect the addition of the final wave of vehicles. Updated note in Section C work instructions. |
| Dealer 27BQ_REV9 | 2025-01-07. Service campaign. UNKNOWN OR OTHER. Under this service action, Audi dealers will replace the starter-alternator in affected vehicles at no cost to owners. A defective starter-alternator may inhibit start/stop functionality which could increase CO2 and other emissions while the vehicle is stopped. Emissions still remain within certification standards. Updated affected vehicle chart, owner notification letters, parts and claiming sections to reflect the addition of the final wave of vehicles. Updated criteria in parts section. |
| Dealer 27BQ_REV8 | 2025-01-07. Service campaign. UNKNOWN OR OTHER. Under this service action, Audi dealers will replace the starter-alternator in affected vehicles at no cost to owners. A defective starter-alternator may inhibit start/stop functionality which could increase CO2 and other emissions while the vehicle is stopped. Emissions still remain within certification standards. Updated affected vehicle chart, owner notification letters, parts and claiming sections to reflect the addition of the final wave of vehicles. Updated work instructions (battery charger must be connected before checking starter/generator software version). |
| Circular 27BQ_REV9 | 2025-01-07. Service campaign. UNKNOWN OR OTHER. Under this service action, Audi dealers will replace the starter-alternator in affected vehicles at no cost to owners. A defective starter-alternator may inhibit start/stop functionality which could increase CO2 and other emissions while the vehicle is stopped. Emissions still remain within certification standards. Updated affected vehicle chart, owner notification letters, parts and claiming sections to reflect the addition of the final wave of vehicles. Updated criteria in parts section. |
| Circular 27BQ_REV8 | 2025-01-07. Service campaign. UNKNOWN OR OTHER. Under this service action, Audi dealers will replace the starter-alternator in affected vehicles at no cost to owners. A defective starter-alternator may inhibit start/stop functionality which could increase CO2 and other emissions while the vehicle is stopped. Emissions still remain within certification standards. Updated affected vehicle chart, owner notification letters, parts and claiming sections to reflect the addition of the final wave of vehicles. Updated work instructions (battery charger must be connected before checking starter/generator software version). |
| Dealer 90X4_REV1 | 2024-09-06. Service campaign. UNKNOWN OR OTHER. The gateway control module will be replaced at no cost to owners. Updated claiming information |
| Circular 90X4_REV1 | 2024-09-06. Service campaign. UNKNOWN OR OTHER. The gateway control module will be replaced at no cost to owners. Updated claiming information |
| Dealer 90X4_REV1 | 2024-09-06. Service campaign. UNKNOWN OR OTHER. The gateway control module will be replaced at no cost to owners. Updated claiming information |
| Circular 90X4_REV1 | 2024-09-06. Service campaign. UNKNOWN OR OTHER. The gateway control module will be replaced at no cost to owners. Updated claiming information |
| Circular 90X4 | 2024-06-25. Service campaign. UNKNOWN OR OTHER. The gateway control module will be replaced at no cost to owners. |
| Circular 90X4 | 2024-06-25. Service campaign. UNKNOWN OR OTHER. The gateway control module will be replaced at no cost to owners. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.