Service bulletin PIT6404
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 | 11019983 |
| Published by NHTSA | 2025-07-01 |
| Manufacturer's number | PIT6404 |
| Manufacturer's date | 2025-06-30 |
| NHTSA component | UNKNOWN OR OTHER |
NHTSA's summary
This Preliminary Information communicates the DTC's setting in the SDGM are false, steps to resolve and not to replace the module.
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.
| BRIGHTDROP ZEVO 400 | 2024 (the catalog's model; the bulletin names a series or trim of it) |
|---|---|
| BRIGHTDROP ZEVO 600 | 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| BUICK ENVISION | 2024, 2025 |
| CADILLAC CELESTIQ | 2025 |
| CADILLAC ESCALADE | 2025 |
| CADILLAC ESCALADE ESV | 2025 |
| CADILLAC ESCALADE IQ | 2025 |
| CADILLAC LYRIQ | 2024, 2025 |
| CADILLAC OPTIQ | 2025 |
| CADILLAC VISTIQ | 2026 |
| CADILLAC XT4 | 2024, 2025 |
| CADILLAC XT5 | 2024, 2025 |
| CHEVROLET BLAZER EV | 2025 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET BRIGHTDROP 600 | 2025 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET COLORADO | 2023, 2024, 2025 |
| CHEVROLET CORVETTE | 2024 |
| CHEVROLET EQUINOX | 2025, 2026 |
| CHEVROLET EQUINOX EV | 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO EV | 2024, 2025, 2026 (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 CANYON | 2023, 2024, 2025 |
| GMC HUMMER EV PICKUP | 2022 |
| GMC SIERRA EV | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| GMC TERRAIN | 2025, 2026 |
| GMC YUKON | 2025 |
| GMC YUKON XL | 2025 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.