# 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: 11033772
- Published by NHTSA: 2026\-06\-09
- Manufacturer's number: 661.10
- Manufacturer's date: 2026\-06\-09
- Campaign id or software version: 661.10
- NHTSA component: UNKNOWN OR OTHER
- Manufacturer's system: ARB, BCM, ECM: ARB \(Articulated Running Boards\), BCM \(Body Control Module\), ECM \(Engine Control Module\)

## NHTSA's summary

• Improvements to help reduce check engine light activation and emissions system messages • Improvements to reliability when extending the running boards on your vehicle • 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 • Fixes for speed threshold for pedestrian alerts • Improvements to active cabin ventilation • Additional protection for the health of your battery • Improvements to the software update system

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11033772-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11033772-9999.pdf)

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

## Vehicles listed

- 2024 CHEVROLET SILVERADO 2500
- 2024 GMC SIERRA 2500

JSON: [/v1/bulletins/11033772](/v1/bulletins/11033772)

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