Service bulletin PIT6502B
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 | 11031903 |
| Published by NHTSA | 2026-05-01 |
| Manufacturer's number | PIT6502B |
| Manufacturer's date | 2026-04-23 |
| NHTSA component | UNKNOWN OR OTHER |
NHTSA's summary
A vehicle may have a service all wheel drive message. Tech is given direction to either reset the module or order a new module with instructions for a part restriction.
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 |
|---|---|
| BUICK ENVISION | 2024, 2025, 2026 |
| CADILLAC XT4 | 2024, 2025 |
| CHEVROLET TRAVERSE | 2024, 2025, 2026 |
| GMC ACADIA | 2024, 2025, 2026 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.