The hardware is impressive, but the software is where the earns its $8,000+ price tag (for a subscription-based license).
: Includes support for Schutz Fahrzeug Diagnose (SFD) , a security protocol that requires official authorization to unlock and modify certain vehicle control units. piwis tester 4
: Often includes an Engineering Mode (E-Mode) for advanced development-level modifications and a standard Aftersales Mode (V-Mode) for daily workshop tasks. Quick Setup Guide The hardware is impressive, but the software is
) is required to maintain system voltage during programming. PPN Connectivity : The user must be logged into the Porsche Partner Network (PPN) for authorized online updates and coding. External Media Quick Setup Guide ) is required to maintain
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.
: Reading and clearing Diagnostic Trouble Codes (DTCs), viewing live data stream/actual values, and performing functional system tests.
: Reading and deleting fault memories across all control units. Programming & Updates