Service bulletin PIT6478
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 | 11027936 |
| Published by NHTSA | 2026-02-01 |
| Manufacturer's number | PIT6478 |
| Manufacturer's date | 2026-01-28 |
| NHTSA component | UNKNOWN OR OTHER |
NHTSA's summary
This Preliminary information communicates to the field about a normal condition about a message that appears when using a NFC card to start the vehicle when a key fob or a digital key device is not present.
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.
| BUICK ENCLAVE | 2026 |
|---|---|
| CADILLAC CELESTIQ | 2026 |
| CADILLAC ESCALADE ESV IQ | 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CADILLAC ESCALADE ESV IQL | 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CADILLAC LYRIQ | 2025, 2026 |
| CADILLAC OPTIQ | 2026 |
| CADILLAC VISTIQ | 2026 |
| CHEVROLET SILVERADO EV | 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET TAHOE | 2026 |
| CHEVROLET TRAVERSE | 2026 |
| GMC ACADIA | 2026 |
| GMC SIERRA EV | 2026 (the catalog's model; the bulletin names a series or trim of it) |
| GMC YUKON | 2026 |
| GMC YUKON XL | 2026 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.