Service bulletin PIT6529B
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 | Service bulletin |
|---|---|
| NHTSA id | 11036704 |
| Published by NHTSA | 2026-09-02 |
| Manufacturer's number | PIT6529B |
| Manufacturer's date | 2026-08-27 |
| NHTSA component | UNKNOWN OR OTHER |
NHTSA's summary
This PI was created to address an Intermittent Loss of Connectivity, GPS, or Wi-Fi Due to OnStar Module concern.
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.
| CADILLAC ESCALADE | 2023, 2024 |
|---|---|
| CADILLAC ESCALADE ESV | 2023, 2024 |
| CHEVROLET SILVERADO 1500 | 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SUBURBAN | 2023, 2024 |
| CHEVROLET TAHOE | 2023, 2024 |
| GMC SIERRA 1500 | 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| GMC YUKON | 2023, 2024 |
| GMC YUKON XL | 2023, 2024 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.