Service bulletin PIC6617
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 | 11022776 |
| Published by NHTSA | 2025-09-05 |
| Manufacturer's number | PIC6617 |
| Manufacturer's date | 2025-08-30 |
| NHTSA component | UNKNOWN OR OTHER |
NHTSA's summary
PI is created to advise dealer of an issue that may have been induced by OTA programming
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 CELESTIQ | 2025 |
|---|---|
| CADILLAC ESCALADE | 2025 |
| CADILLAC ESCALADE ESV | 2025 |
| CADILLAC ESCALADE IQ | 2025 |
| CADILLAC LYRIQ | 2023, 2024, 2025 |
| CADILLAC OPTIQ | 2025 |
| CHEVROLET SILVERADO EV | 2025 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SUBURBAN 1500 | 2025 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET TAHOE | 2025 |
| GMC SIERRA EV | 2025 (the catalog's model; the bulletin names a series or trim of it) |
| GMC YUKON | 2025 |
| GMC YUKON XL | 2025 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.