Service bulletin PIT6044N
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 | 11014633 |
| Published by NHTSA | 2025-03-02 |
| Manufacturer's number | PIT6044N |
| Manufacturer's date | 2025-02-27 |
| NHTSA component | UNKNOWN OR OTHER |
NHTSA's summary
This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.
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 600 ELCV | 2023 to 2024 |
|---|---|
| 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) |
| CADILLAC ESCALADE IQ | 2025 |
| CADILLAC LYRIQ | 2023, 2024, 2025 |
| CADILLAC OPTIQ | 2025 |
| CHEVROLET BLAZER EV | 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO EV | 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| GMC HUMMER EV PICKUP | 2022, 2023, 2024, 2025 |
| GMC SIERRA EV | 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
Listing a model year does not mean every vehicle of it is concerned: the document says which.