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.
By type
By component
By trouble code
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Only bulletins with component: Lighting are shown. Show all
| A9424792063739_2 | 2024-05-07. Service bulletin. EXTERIOR LIGHTING. This bulletin provides information when the headlights do not turn off during daylight hours. |
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| A941897 2050363_ | 2018-04-16. Service bulletin. EXTERIOR LIGHTING. This bulletin contains repair information for when the ambient light in the outer door handle does not work and/or water ingress into light housing. |
| A941791 2012749- | 2018-02-05. Service bulletin. EXTERIOR LIGHTING. This informational bulletin contains technical information for when there is condensation visible on the inside of the headlight, taillight, fog light, side marker light, front turn signal, daytime running lights, and/or third brake light lens. |
| A94168220175666 | 2017-03-15. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:SWITCH. THE BULLETIN STATES A NORMAL FUNCTION OF THE HEADLIGHT SWITCH AND HOW TO FIX BUT NOT REPLACE. DEALER IS TO ADVISE CUSTOMER ON WHY THE HEADLIGHT SWITCH PRESSES IN. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.