Service bulletin PIT6433
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 | 11023148 |
| Published by NHTSA | 2025-09-16 |
| Manufacturer's number | PIT6433 |
| Manufacturer's date | 2025-09-09 |
| NHTSA component | UNKNOWN OR OTHER |
NHTSA's summary
This Preliminary information communicates to the field on a unwanted history DTC that is setting due to a software anomaly.
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.
| GMC HUMMER EV PICKUP | 2026 |
|---|---|
| GMC HUMMER EV SUV | 2026 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.