WenmarOpen by Wenmar Pro

Over-the-air update 654.20

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeOver-the-air update
NHTSA id11029899
Published by NHTSA2026-03-07
Manufacturer's number654.20
Manufacturer's date2026-02-26
Campaign id or software version654.20
NHTSA componentUNKNOWN OR OTHER
Manufacturer's systemCSM: CSM (Center Stack Module)

NHTSA's summary

• Improvements to audio system performance. • Fixes to help ensure proper functionality for the center display.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Vehicles listed
CADILLAC ESCALADE2023, 2024
CADILLAC ESCALADE ESV2023, 2024
CHEVROLET SUBURBAN2023, 2024
CHEVROLET TAHOE2023, 2024
GMC YUKON2023, 2024
GMC YUKON XL2023, 2024

Listing a model year does not mean every vehicle of it is concerned: the document says which.