The wait is over. The PIWIS Tester 4 is now available for professional diagnostics. Complete coverage for all Porsche models, old and new—including the latest electric platforms. Faster hardware, deeper coding capabilities, and future-ready software. Upgrade your workshop’s capabilities today.
The software connects to the car via a specialized diagnostic multiplexer. While the older PIWIS 3 relied on the PT3G VCI, the PIWIS 4 utilizes upgraded interfaces optimized for dual-band Wi-Fi connectivity and stable DoIP channels.
PIWIS Tester 4 (Porsche Integrated Workshop Information System IV) is the newest generation of Porsche’s proprietary diagnostic solution, designed to support the latest vehicle technologies and models through 2025. It serves as a comprehensive tool for diagnostics, programming, and maintenance that standard OBD2 scanners cannot replicate. Key Features and Capabilities Broad Vehicle Support
Calibrates air suspension ride height parameters accurately. PIWIS 4 vs. PIWIS 3: What Has Changed? Feature / Capability PIWIS Tester 3 PIWIS Tester 4 Primary Focus Legacy models up to 992.1 / Taycan Gen 1 Next-gen architectures (992.2, Macan EV, E-Hybrid systems) VCI Protocols DoIP, CAN, K-Line Enhanced high-speed DoIP, CAN-FD, secure gateway bypass Software Speed Standard processing Optimized multi-threaded UI for fast vehicle scans Cybersecurity Basic secure coding adaptation Advanced SFD authentication handling
Like its predecessors, the PIWIS 4 handles the full spectrum of workshop tasks: HOUSE Automotive : Deep scanning for fault codes across all vehicle modules. Maintenance piwis tester 4
Opens and closes electronic parking brake calipers for brake pad changes.
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.
Allowing for the installation of used parts (where permissible). Key Functions of the PIWIS 4
The PIWIS 4 is optimized to communicate faster with modern, high-speed CAN-bus networks. The wait is over
The automotive diagnostic world changes fast, but few tools carry as much weight as Porsche's proprietary systems. For years, the PIWIS Tester III was the gold standard for independent Porsche specialists and official dealerships alike. However, as Porsche transitions its fleet toward advanced electric architectures, high-voltage systems, and continuous cloud connectivity, a more powerful tool has emerged: the .
While previous versions like the PIWIS 3 were robust, the PIWIS 4 is engineered to meet the demands of modern automotive architectures, such as the new PCM (Porsche Communication Management) systems, advanced driver assistance systems (ADAS), and electric vehicle (EV) battery management. 1. Broadest Vehicle Coverage (2024–2026+)
The PIWIS (Porsche Integrated Workshop Information System) series has seen a remarkable evolution, with each version bringing crucial enhancements:
The tool revealed that the problem was caused by a faulty oxygen sensor. John replaced the sensor and used the Piwis Tester 4 to reset the trouble codes and perform a series of tests to ensure the issue was resolved. While the older PIWIS 3 relied on the
The PIWIS Tester 4 is Porsche’s official diagnostic and programming system for modern Porsche vehicles. Developed to support dealer and authorized workshop operations, it replaces the previous PIWIS 3 platform and provides deeper vehicle access, faster diagnostics, and broader calibration and programming capabilities.
Using the PIWIS Tester 4 is a streamlined process when you follow these steps. This guide will walk you through a standard diagnostic session:
The system includes a Developer Mode (Mode E), granting technicians access to advanced configurations, ECU flashing, and customization options not available in standard diagnostic modes.
The (Porsche Integrated Workshop Information System IV) is the latest factory-grade diagnostic tool used by authorized Porsche dealerships and elite service centers. It is designed to provide comprehensive diagnostic, programming, and maintenance capabilities for all Porsche models, with specific optimizations for the latest automotive technologies. Key Features & Capabilities
This article explores the capabilities, features, and hardware of this advanced diagnostic system. What is the PIWIS Tester 4?