Skip to content

Piwis Tester 4 -

: Perform automatic/manual coding, ECU reprogramming, and adaptations for replacement parts.

To help you decide on the right diagnostic setup for your workshop, could you share a bit more about ? Let me know:

Optimized for viewing complex electrical wiring diagrams and multi-channel live data graphs simultaneously. PIWIS 3 vs. PIWIS 4: What Has Changed?

Because the PIWIS software environment is resource-heavy, standard consumer laptops often suffer from performance bottlenecks. Ideal platforms include the due to their durability in workshop environments. Processor: Intel Core i5 or i7 (8th Gen or newer) Memory: Minimum 8GB RAM (16GB recommended) piwis tester 4

ECU reprogramming, component replacement, and system enhancements.

Forces the cleaning cycles for diesel and gasoline particulate filters.

PIWIS Tester 4 is Porsche’s state-of-the-art diagnostic and programming solution, designed to support modern vehicle complexity with manufacturer-level access. For dealers and certified repair shops, it’s an essential investment to ensure accurate diagnostics, safe repairs, and compliant programming. PIWIS 3 vs

Another benefit is speed. A full vehicle scan that took 8 minutes on PIWIS 3 now takes 90 seconds on PIWIS 4, thanks to parallelized communication across multiple vehicle buses.

Porsche PIWIS 4 (Porsche Integrated Workshop Information System) represents the fourth generation of the brand's proprietary diagnostic ecosystem. It is the tool that bridges the gap between mechanical engineering and digital sophistication for every modern Porsche. The Evolution of the "Tester"

A critical feature of the Piwis IV is its reliance on high-speed internet connectivity. Ideal platforms include the due to their durability

The PIWIS Tester 4 is the proprietary, factory-approved diagnostic workstation used by authorized Porsche dealerships and specialized independent workshops worldwide. It combines advanced vehicle communication interfaces (VCI) with robust software. This system gives technicians complete access to the electronic control units (ECUs) of every Porsche model. The coverage spans from classic air-cooled cars to the latest electric vehicles (EVs).

The PIWIS 4 includes SFD (Secure Function Discovery) diagnostic protection technology, which enhances security during diagnostic procedures and ensures that the tool can securely access and communicate with vehicle control units.

For decades, the name "PIWIS" (Porsche Integrated Workshop Information System) has been synonymous with deep-level, dealer-grade diagnostics for one of the world’s most sophisticated automotive brands. Now, Porsche has officially rolled out its latest generation: PIWIS Tester 4 .

However, Porsche has launched an official program. For a yearly license fee (approx. €3,500–€5,000 depending on region), independent specialists can lease the hardware and software legally. This grants access to the same diagnostic depth as a franchised dealer, including immobilizer programming and odometer correction (within legal bounds).