Optimized software for Porsche Communication Management (PCM) 4.0 has been used in
standard production in order to further improve the general performance of the system.
These optimizations must be implemented retrospectively even for vehicles manufactured before the
date of introduction.
Action
Required:
? Update PCM software using an SD card
? Re-code the PCM using PIWIS Tester test software version 34.800.030 (or higher
