Service bulletins for the 2018 Audi TT RS
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.
491 on file from NHTSA, as of 2026-10-19.
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By component
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Only bulletins with component: Engine are shown. Show all
| A3720992060148_1 | 2020-08-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION: OIL COOLER; POWER TRAIN:MANUAL TRANSMISSION:INTERNAL:GEARS. This informational bulletin states to not replace parts for the beveling groove as it is normal. |
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| A1920042025303_1 | 2020-07-07. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for identifying and mixing factory fill coolants. |
| A0120612059435_1 | 2020-06-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. This bulletin contains a software update for DTC P014100 (Active/intermittent). |
| A0120602059429_1 | 2020-06-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE; FUEL SYSTEM, GASOLINE. This bulletin contains a software update for one or more of the following DTCs P008700, P21F500, P21F400, P218700, P21F800, and P217700. |
| A0020372059437_1 | 2020-06-04. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE:DELIVERY. The informational bulletin explains why during COVID-19 there is winter-blend fuel during a warmer season and causing some issues. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.