Service bulletins for the 2018 Audi A4 allroad
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.
567 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Body and frame are shown. Show all
| A551844 2051804- | 2019-02-19. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY:TRUNK LID. This bulletin contains repair instructions for when the gesture controlled rear lid does not work with DTC U11520. |
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| A911807 2052251- | 2018-12-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; STRUCTURE:BODY:DOOR. This bulletin contains software update instructions for when the audio is distorted from door speakers or subwoofer. |
| A551843 2051804- | 2018-10-15. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY:HATCHBACK/LIFTGATE. This bulletin contains repair instructions for when the gesture controlled rear lid does not work with DTC U11520. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.