# Service bulletin A\_230339\_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: 10233974
- Published by NHTSA: 2023\-04\-07
- Manufacturer's number: A\_230339\_TC\_EN
- Manufacturer's date: 2023\-03\-20
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Dear Dealer / Service Centre / Authorised Workshop, We wish to inform that a software update relating to the calibration of the engine of the model in question is available. We remind you that the P.A.D.S. must be updated to the latest release available, which happens automatically every 2 hours if connected to a data network. The operation referred to above is to be included in the normal maintenance activities to be carried out at the same time as the pre\-delivery, during the activities scheduled for services, or on the first convenient passage in the Workshop for vehicles in circulation. The main content of the available update is • Improvements in vehicle rideability at various engine speeds; • Improvement of diagnoses and safety intervention; • Troubleshooting including pressure sensor error in borderline environmental operating conditions.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10233974-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10233974-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2021 to 2022 APRILIA RS 660

JSON: [/v1/bulletins/10233974](/v1/bulletins/10233974)

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