# Over\-the\-air update BB31392

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: Over\-the\-air update
- NHTSA id: 11036656
- Published by NHTSA: 2026\-09\-02
- Manufacturer's number: BB31392
- Manufacturer's date: 2026\-08\-20
- Campaign id or software version: 8A050\-3BH\-AA31
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Over the Air System Updates \- 2025–26 ADX: Software Update for Audio System software version 8A050\-3BH\-AA31.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036656-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036656-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2025 to 2026 ACURA ADX

## Other bulletins for the same vehicles and component

- [B26\-005](/bulletins/11037719.md), 2026-10-01, Service bulletin: ELECTRICAL SYSTEM. Service Bulletin \- Siri stops working when touching the display to interact with Wireless CarPlay. Siri can also freeze when reading a text message or when inputting a destination in Apple Maps.
- [BBTS30565](/bulletins/11031291.md), 2026-04-14, Other: ELECTRICAL SYSTEM. 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.
- [B25\-042](/bulletins/11026113.md), 2025-12-04, Service bulletin: ELECTRICAL SYSTEM. Service bulletin \- When updating the Telematics Control Unit \(TCU\) with the i\-HDS tool an Error message will appear.
- [BB29050](/bulletins/11021954.md), 2025-08-18, Other: ELECTRICAL SYSTEM. Tech Line \- Customers may experience error code S001 with their audio unit. The vehicle may also have DTC B2B05\-92 CAN Gateway error stored due to the dealership’s wi\-fi settings.

JSON: [/v1/bulletins/11036656](/v1/bulletins/11036656)

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