: Certain updates, such as PCM (Porsche Communication Management), may require specific USB Type A+C storage media in conjunction with the tester. Environment Safety
The Piwis Tester IV is the official diagnostic tool developed by Porsche AG for the servicing and analysis of all Porsche vehicle models. Released to supersede the Piwis Tester III (and the earlier Piwis II), the PT4 is designed to handle the increasing complexity of modern Porsche architectures, specifically the (Premium Architecture Electric) found in the Taycan and the upcoming electric Macan, while maintaining backward compatibility with legacy models. piwis tester 4
Performing oil service, brake fluid, and other maintenance interval resets. Hardware and Setup Requirements A complete PIWIS 4 setup typically includes: : Certain updates, such as PCM (Porsche Communication