Service bulletins for the 2020 Audi TT
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.
675 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Automatic transmission are shown. Show all
| A3523442070217_1 | 2023-10-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This bulletin provides information for when the Gearbox warning comes on, and various DTC memory entries are stored in the TCM. |
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| A3020292060560_1 | 2020-09-03. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:CLUTCHES/BANDS. This bulletin contains instructions for when the clutch is slipping, there is a gearbox malfunction message, and the vehicle shudders on odd number digits (several DTCs could be stored as well). |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.