Service bulletins for the 2021 Audi A8 L e
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.
872 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Engine control module are shown. Show all
| A2723572058831_9 | 2023-07-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ELECTRICAL SYSTEM. This bulletin provides information for when there is a 48V electrical system warning; DTC P0CA700, U046900 is stored in the starter/generator control module/ECM. |
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| A2023522065287_6 | 2023-02-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). This bulletin provides instructions for when the MIL is on and DTC P044200 and/or P045600 is stored in the ECM. |
| A2722412058831_4 | 2022-04-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). This bulletin contains a software update for DTC P0CA700 or U046900. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.