# Service bulletin TSTR2501ac

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: 11020497
- Published by NHTSA: 2025\-07\-09
- Manufacturer's number: TSTR2501ac
- Manufacturer's date: 2025\-06\-17
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

Information on PIWIS tester update 43.400.060. PIWIS tester updates applies to all Porsche models that have an OBD2 port.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020497-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020497-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Vehicles listed

- PORSCHE PIWIS TESTER III

JSON: [/v1/bulletins/11020497](/v1/bulletins/11020497)

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