# Over\-the\-air update 653.20

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: 11024654
- Published by NHTSA: 2025\-10\-31
- Manufacturer's number: 653.20
- Manufacturer's date: 2025\-10\-13
- Campaign id or software version: 653.20
- NHTSA component: UNKNOWN OR OTHER
- Manufacturer's system: VICM: VICM \(Vehicle Integration Control Module\)

## NHTSA's summary

•Improvements to battery health diagnostics. •Fixes for efficiency when using fast charging stations. •Improvements to reliability for climate control and charging. •Improvements to the accuracy of efficiency values. •Improvements to shifting. •Fixes to protect battery health and adjust charge limits. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11024654-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11024654-9999.pdf)

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

## Vehicles listed

- 2024 CHEVROLET EQUINOX EV

JSON: [/v1/bulletins/11024654](/v1/bulletins/11024654)

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