Service bulletin TSTR2501ah
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 | 11021350 |
| Published by NHTSA | 2025-08-04 |
| Manufacturer's number | TSTR2501ah |
| Manufacturer's date | 2025-07-07 |
| NHTSA component | UNKNOWN OR OTHER |
NHTSA's summary
Information on PIWIS tester update 43.500.020 & .021. PIWIS tester updates 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.