Service bulletin PIT6546
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 | 11037257 |
| Published by NHTSA | 2026-09-10 |
| Manufacturer's number | PIT6546 |
| Manufacturer's date | 2026-09-02 |
| NHTSA component | UNKNOWN OR OTHER |
NHTSA's summary
This Preliminary information describes a condition where engineering is working on a solution to a P0494 DTC stored in the ECM.
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.
Trouble codes named
P0494
| BUICK ENVISION | 2026 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.