Service bulletins for the 2021 Audi R8
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.
526 on file from NHTSA, as of 2026-10-19.
About P2540 on the 2021 Audi R8: what the code means, and the bulletins and recalls about the same components.
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By component
By trouble code
Only bulletins with trouble code: P2540 are shown. Show all
| A0122202059187_3 | 2022-05-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for when DTC P254000 is stored with either the MIL on or "Drive malfunction" is displayed in the instrument cluster. |
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| A0120562059187_1 | 2020-05-07. Service bulletin. EQUIPMENT. This bulletin contains instructions for DTC P254000. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.