Affected Component: ELECTRICAL SYSTEM:SOFTWARE

Date Published
DEC 12, 2017
NHTSA TSB #
10127491
TSB Document
Summary
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