# 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: 11035294
- Published by NHTSA: 2026\-07\-29
- Manufacturer's number: 662.30
- Manufacturer's date: 2026\-07\-16
- Campaign id or software version: 662.30
- NHTSA component: UNKNOWN OR OTHER
- Manufacturer's system: DCM: eLSDDCM \(Differential Control Module\)

## NHTSA's summary

• Updates to reduce unnecessary service messages in the driver display

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11035294-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11035294-9999.pdf)

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

## Vehicles listed

- 2025 CADILLAC ESCALADE
- 2025 CADILLAC ESCALADE ESV
- 2025 CHEVROLET SUBURBAN 1500
- 2025 CHEVROLET TAHOE
- 2025 GMC YUKON
- 2025 GMC YUKON XL

JSON: [/v1/bulletins/11035294](/v1/bulletins/11035294)

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