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Porsche TSB #122-E9N4X-01
2017 Porsche Cayenne
TSB Document:
Affected Component: ELECTRICAL SYSTEM:SOFTWARE
- 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
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