Service bulletins for the 2023 Audi A4
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.
868 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Alternator are shown. Show all
| A1324242061461_9 | 2024-04-04. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR:INTEGRATED STARTER(OTHER THAN PROPULSION). This bulletin provides information for when the starter/generator drive belt is noise or came off; DTC P2BA300 may be stored in the ECM. |
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| DC_Alternator | 2023-01-06. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. Support for Customers Affected by Alternator Back-order |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.