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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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By component

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Only bulletins with component: Body and frame are shown. Show all

Bulletins, newest first
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.
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.