Piwis Tester 4 -

PIWIS Tester 4 (Porsche Integrated Workshop Information System) is the current official, proprietary diagnostic tool used by authorized Porsche centers and high-end independent specialists to perform advanced diagnostics, programming, and maintenance on Porsche vehicles. HOUSE Automotive Core Capabilities

Guided Troubleshooting: Step-by-step instructions to resolve complex electrical issues. piwis tester 4

PIWIS 4 (part number P90999) is an advanced diagnostic system comprising specialized software and hardware designed specifically for Porsche vehicles. Unlike generic OBDII scanners, PIWIS 4 communicates with every control module in a Porsche, allowing for deep-level diagnostics, coding, and programming that are otherwise impossible. Unlike generic OBDII scanners, PIWIS 4 communicates with

Released as a successor to the Piwis Tester 3 (which used a Toughbook CF-19 laptop), the Tester 4 marks a radical shift toward modern tablet computing, wireless diagnostics, and cloud-based integration. : While PIWIS 3 covers most older and

: Receives quarterly updates directly from Porsche AG to maintain support for the latest vehicle models and software releases (e.g., release version 43.000.055 or higher).

: While PIWIS 3 covers most older and recent models, PIWIS 4 is specifically required for the newest automotive technologies found in 2025 models. KKS Supercar Critical Usage Requirements