Yes. If you specialize in German cars, specifically Porsche, you cannot compete without the Piwis Tester 4 . When a customer brings in a 2023 Taycan with a "Electrical System Error," generic tools go blind. The Piwis diagnoses the high-voltage battery contactor failure instantly.

, which require specific diagnostic protocols for high-voltage systems and advanced battery management. SFD Diagnostic Protection

The customer was thrilled to have their car back in working condition, and John was impressed with the capabilities of the Piwis Tester 4. He was able to diagnose and repair the issue efficiently, thanks to the tool's advanced features and comprehensive database.

Using the PIWIS Tester 4 is relatively straightforward, but it does require some technical knowledge and expertise. Here are the general steps to follow: