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Over-the-air update AA31388

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeOver-the-air update
NHTSA id11036658
Published by NHTSA2026-09-02
Manufacturer's numberAA31388
Manufacturer's date2026-08-20
Campaign id or software version8A050-36W-AA21
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Over the Air System Updates - 2026 Prelude: Software Update for Audio System software version 8A050-36W-AA21.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
HONDA PRELUDE2026

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
AATS305662026-04-14. Other. Tech Line Summary - The vehicle's infotainment system displays previously viewed SMS messages upon each ignition cycle, when the customer's Android phone is connected via Bluetooth.