The PIWIS Tester 4 (PST4) is Porsche's latest professional diagnostic system, succeeding PIWIS 3 to support newer vehicle architectures. It is specifically designed to handle 2024–2025+ models and introduces critical support for electric vehicles (EVs) and SFD (Schutz Fahrzeug Diagnose) security protocols. Core Capabilities
Guided Troubleshooting: Step-by-step instructions to resolve complex electrical issues. piwis tester 4
Engineering Mode: Allows for manual coding of new elements, ECU flashing, and unlocking hidden vehicle features or retrofitting components. The PIWIS Tester 4 (PST4) is Porsche's latest
Comprehensive Diagnostics: Reading, decoding, and clearing diagnostic trouble codes (DTCs), viewing real-time sensor data streams, and running functional system checks. Engineering Mode : Allows for manual coding of
The Piwis 4 (Porsche Integrated Workshop Information System) is the successor to the Piwis 3 and represents the current state-of-the-art in factory-level diagnostics for Porsche vehicles. Designed for Porsche dealerships, specialized independent shops, and serious high-end collectors, this tool moves away from the bulky laptop-based cart system of its predecessors to a sleek, ruggedized all-in-one tablet solution.
For shops: The workflow is smooth. Connect VCI → Start Piwis → Read VIN → Auto-scan. The tablet syncs wirelessly with the VCI via a dedicated 5GHz band, so you can walk around the car while the tablet stays on your cart.