# Service bulletin N23\-240574

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: 10239648
- Published by NHTSA: 2023\-07\-25
- Manufacturer's number: N23\-240574
- Manufacturer's date: 2023\-07\-10
- NHTSA component: ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM

## NHTSA's summary

\(There may be future updates under this same release number.\) Your GMC Hummer EV keeps getting better. This software update includes the following if your vehicle is equipped: Refinements: Updates made to the overall vehicle software update process. Updates made to improve connectivity within Apple CarPlay, Bluetooth \& SiriusXM. Updates made to the long range radar functionality to enhance alignment during height changes. Updates made to the wireless charging functionality to provide a faster charging experience for iPhone 12 or newer. A variety of other minor software updates to make your driving and in\-vehicle experience better. Better Never Stops™

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10239648-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10239648-9999.pdf)

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

## Components

Electrical system, Software

## Vehicles listed

- 2024 GMC HUMMER EV PICKUP

## Other bulletins for the same vehicles and component

- [20\-NA\-132](/bulletins/10252774.md), 2024-04-05, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

JSON: [/v1/bulletins/10239648](/v1/bulletins/10239648)

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