# Service bulletin A\_250657\_TC\_EN

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.

- Type: Service bulletin
- NHTSA id: 11022882
- Published by NHTSA: 2025\-09\-06
- Manufacturer's number: A\_250657\_TC\_EN
- Manufacturer's date: 2025\-08\-04
- Campaign id or software version: A\_250657\_TC\_EN
- NHTSA component: ELECTRICAL SYSTEM
- Manufacturer's system: Engine

## NHTSA's summary

\[A\_250657\_TC\_EN\] Tuono V4 1100 E5\+ MY25, RSV4 1100 E5\+ MY26: Instrument cluster calibration update. Dear Dealer / Service Centre / Authorized Workshop, As part of the ongoing research, monitoring and improvement process of the technical solutions used by the models in question, we hereby announce the availability of a new update of the instrument cluster calibration that introduces a new discharge valve control strategy that avoids the possibility of false diagnoses...

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11022882-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11022882-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Vehicles listed

- 2026 APRILIA RSV4 1100 E5\+
- 2026 APRILIA RSV4 1100 E5\+ FACTORY
- 2026 APRILIA TUONO 1100 E5\+
- 2026 APRILIA TUONO 1100 E5\+ F

JSON: [/v1/bulletins/11022882](/v1/bulletins/11022882)

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