Service bulletin TSTR2644
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 | 11037080 |
| Published by NHTSA | 2026-09-04 |
| Manufacturer's number | TSTR2644 |
| Manufacturer's date | 2026-07-27 |
| NHTSA component | UNKNOWN OR OTHER |
NHTSA's summary
Information on PIWIS Tester update 44.300.011. PIWIS Tester update applies to all Porsche models that have an OBD2 port.
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.