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.
About B11AF on the 2018 Audi A4 allroad: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: B11AF are shown. Show all
| A8719952055257_2 | 2019-09-09. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This bulletin contains repair instructions for when the HVAC system is having issues with air flow and temperature commands with DTCs B11AF07 and B109207. 2017-2019 A4, A4 allroad, and Q7 2018-2019 A5, A5 Sportback, A5 Cabriolet, and Q5 |
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| A8719902055257_1 | 2019-07-09. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This bulletin contains repair instructions for when the HVAC system is having issues with air flow and temperature commands with DTCs B11AF07 and B109207. Also includes 2017-2019 A5 Sportback. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.