| Feature | PIWIS 2 | PIWIS 3 | | | :--- | :--- | :--- | :--- | | Vehicle Model Coverage | Up to ~2017 | Up to ~2020 | Up to 2025+ models (EV & Hybrid) | | Electric Vehicle (EV) Support | ❌ | ⚠️ Limited | ✅ Full diagnostic support | | Diagnostic Security | Basic Protocols | Standard Security | ✅ Advanced SFD Protection | | User Interface | Basic, Functional | Improved UI | ✅ High-speed, Intuitive UI | | Core Function | Foundational Diagnostics | System Integration | ✅ Advanced Engineering & Programming |
Calibrates, fills, or vents the air suspension system on the Cayenne, Panamera, and Taycan.
: It covers all Porsche models, including the latest 2024–2025 releases and new electric/hybrid vehicles. Advanced Functions
The most visible change is the hardware. The PIWIS Tester 3 was a durable, yet heavy, Panasonic Toughbook-style device. The new PIWIS Tester 4 is a . piwis tester 4
: Includes "Schutz Fahrzeug Diagnose" (SFD) support to bypass the diagnostic protection found in modern vehicle security architectures.
Whether you are a shop owner looking to invest in the future of your business or a Porsche enthusiast tracking the evolution of factory service tools, the PIWIS 4 represents the pinnacle of specialized automotive diagnostic technology.
Many clone systems use modified PIWIS 3 hardware (PT3G) disguised with PIWIS 4 software wrappers. True CAN-FD and DoIP functions required for newer 2024–2026 models may not work reliably on cheap clone hardware. | Feature | PIWIS 2 | PIWIS 3
: Improved handling of secure vehicle gateways and encrypted data streams. Typical Toolset Components A complete PIWIS 4 kit generally consists of:
PIWIS Tester 4 (Porsche Integrated Workshop Information System) represents the cutting edge of automotive diagnostic technology, specifically engineered for the high-performance ecosystem of modern Porsche vehicles. As the successor to the PIWIS 3, this fourth-generation tool is not merely a scanner; it is a bridge between complex German engineering and the digital interface required to maintain it. Technical Evolution
If you are interested in learning more about the PIWIS Tester 4 or would like to purchase one, here are some additional resources: The PIWIS Tester 3 was a durable, yet
Monitor parameters in real-time, such as fuel trims, sensor data, and battery voltages.
If you want to look deeper into adding this tool to your workshop, tell me: