Piwis Tester 4 [2021] -

The PIWIS 4 represents a significant leap forward in automotive diagnostics, focusing on the increased complexity of modern vehicle architectures.

Reads, interprets, and clears manufacturer-specific Diagnostic Trouble Codes (DTCs) across all systems, including DME, PASM, PDK, ABS, and Taycan high-voltage battery modules.

| 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 |

If you are a shop owner currently using a Piwis 3 (the rugged Panasonic laptop), is the jump to the Tester 4 worth it?

The PIWIS Tester 4 offers a comprehensive suite of diagnostic and programming capabilities. 1. Advanced Diagnostics piwis tester 4

Covers the entire spectrum from basic error code reading to deep system integration.

Codes new transponder keys and manages immobilizer systems.

Often a ruggedized or high-performance unit pre-configured with the proprietary PIWIS 4 software.

Have you used the Piwis Tester 4 in your shop? Share your experience with programming and coding below. The PIWIS 4 represents a significant leap forward

The is the official, authorized diagnostic and programming tool used by Porsche technicians worldwide. It acts as the bridge between the technician and the car’s complex network of Electronic Control Units (ECUs).

: Supports both Wi-Fi and LAN connections for flexible workshop use. Comparison with PIWIS 3

The Ultimate Guide to the PIWIS Tester 4: Porsche’s Next-Generation Diagnostic Powerhouse

: Reading, decoding, and clearing diagnostic trouble codes (DTCs) , viewing real-time sensor data streams, and running functional system checks. The PIWIS Tester 4 offers a comprehensive suite

The is more than a diagnostic tool; it is the gateway to the soul of a modern Porsche. While the price point is prohibitive for casual users, for the professional technician, it pays for itself on the first complex PDK programming job or airbag module replacement.

: Offline access to full electrical wiring diagrams and detailed workshop manuals. Hardware & Software Specifications

ECU reprogramming, component replacement, and system enhancements.