Service bulletin TSTR2653
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 | 11037871 |
| Published by NHTSA | 2026-10-02 |
| Manufacturer's number | TSTR2653 |
| Manufacturer's date | 2026-09-16 |
| NHTSA component | UNKNOWN OR OTHER |
NHTSA's summary
PT4G Diagnostic Technical Information - Porsche Tester Software Update Information Software Version: 44.400.011
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.
| PORSCHE PIWIS TESTER III |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.