Service bulletins for the 2021 Aprilia Tuono
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.
10 on file from NHTSA, as of 2026-10-19.
About P1401 on the 2021 Aprilia Tuono: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P1401 are shown. Show all
| A_210573_TC_EN | 2021-06-08. Service bulletin. EQUIPMENT; ENGINE; ELECTRICAL SYSTEM. [A_210573_TC_EN] Aprilia RS - Tuono 660: Availability of engine ECU calibration update Dear Dealer / Service Center, Please note that a software update for the engine control unit map is now available once the PADS diagnostic tool is updated to the latest release available. The aforementioned operation is considered part of the normal maintenance required for the vehicle, and must be performed during the pre-delivery procedure, for new vehicles, or, for vehicles that have already been sold and are in use, at the same time as other scheduled maintenance operations or at the first available opportunity when the vehicle is brought to the service center . The new update introduces the following main features and improvements: Resolved issue causing spurious diagnosis of error P1401 at key-on; Software bug fix; |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.