# Over\-the\-air update 661.10

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: 11031770
- Published by NHTSA: 2026\-04\-30
- Manufacturer's number: 661.10
- Manufacturer's date: 2026\-04\-22
- Campaign id or software version: 661.10
- NHTSA component: UNKNOWN OR OTHER
- Manufacturer's system: BCM,EBCM, TPIM, SRR, LRR, SBZA: BCM \(Body Control Module\), EBCM \(Electronic Brake Control Module\), TPIM \(Traction Power Inverter Module\), SRR \(Short Range Radar\), LRR \(Long Range Radar\), SBZA \(Side Blind Zone Alert\)

## NHTSA's summary

• Fixes to help ensure proper functionality for heating and cooling features. • Improvements to night mode lights for shifting gears. • Fixes for Daytime Running Lamps turning on when set to Off. • Fixes to help prevent erroneous missing key messages on driver display. • Fixes for accuracy of low tire pressure alert. • Improvements to the performance of Automatic Emergency Braking and Adaptive Cruise Control braking. • Fixes to help ensure proper functionality of Forward Collision Alert and availability of driver assistance features. • Fixes to help ensure accurate driver display messages and alerts. • Improvements to the performance of One\-Pedal Driving • Improvements to propulsion and acceleration. • Improves the performance of assisted braking features.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031770-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031770-9999.pdf)

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

## Vehicles listed

- 2025 CHEVROLET BLAZER EV

JSON: [/v1/bulletins/11031770](/v1/bulletins/11031770)

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