# Over\-the\-air update 662.30

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: 11034071
- Published by NHTSA: 2026\-06\-26
- Manufacturer's number: 662.30
- Manufacturer's date: 2026\-06\-24
- Campaign id or software version: 662.30
- NHTSA component: UNKNOWN OR OTHER
- Manufacturer's system: AOS, BCM, ELM, FCM, ICS, ICCM, PDR, TCM, TPIM, WCM: AOS \(Automatic Occupant Sensing Module\), BCM \(Body Control Module\), ELM \(Exterior Lighting Module\), FCM \(Front Camera Module\), ICS\_Info \(Integrated Center Stack\), ICCM \(Integrated Chassis Control Module\), PDR \(Performance Data Recorder\), TCM \(Transmission Control Module\), TPIM \(Traction Power Inverter Module\), WCM \(Wireless Charger Module\)

## NHTSA's summary

• Fixes to help ensure successful vehicle software updates. • The active cabin ventilation feature will operate more reliably. • Additional protection for the health of your battery and updates to help prevent excessive battery drain and overheating. • Improvements to provide more accurate speed limit detection on the driver’s display. • Improvements to the availability of driver assistance features and fewer notifications or warnings. • Fixes to help ensure driver assistance features remain functional when the windshield freezes. • Fixes to help prevent loss of Performance Data Recorder functionality and to protect battery health. • The Transmission Fluid Life gauge will reset properly and show a more accurate reading. • The eAWD indicator will activate less frequently during normal driving conditions. • Fixes a known iPhone 15 charging issue that affects some devices

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11034071-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11034071-9999.pdf)

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

## Vehicles listed

- 2025 CHEVROLET CORVETTE
- 2025 CHEVROLET CORVETTE E\-RAY

JSON: [/v1/bulletins/11034071](/v1/bulletins/11034071)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Over-the-air%20update%20662.30&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11034071&vehicle=Over-the-air%20update%20662.30)