Service bulletin PIT6411
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 | 11020681 |
| Published by NHTSA | 2025-07-14 |
| Manufacturer's number | PIT6411 |
| Manufacturer's date | 2025-07-02 |
| NHTSA component | UNKNOWN OR OTHER |
NHTSA's summary
This information provides software update information for the K73 Telematics module to correct the symptoms described.
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 | 2025, 2026 |
|---|---|
| CADILLAC CT5 | 2025, 2026 |
| CADILLAC ESCALADE | 2025, 2026 |
| CADILLAC ESCALADE ESV | 2025, 2026 |
| CADILLAC ESCALADE IQ | 2025, 2026 |
| CHEVROLET BLAZER EV | 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EQUINOX | 2025, 2026 |
| CHEVROLET EQUINOX EV | 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SUBURBAN 1500 | 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET TAHOE | 2025, 2026 |
| GMC ACADIA | 2025, 2026 |
| GMC HUMMER EV PICKUP | 2025, 2026 |
| GMC HUMMER EV SUV | 2026 |
| GMC TERRAIN | 2025, 2026 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.