How to repair PORSCHE PCM 3.1 Reboot No Navigation Map lost defective – repair Tips Allen Parker December 5, 2021 ECM Repair Case The Content is visible to registered Member, please register or login to view, thank you! Tagged CAYENNE Repair, PANAMERA repair, PCM 3.1 repair, PORSCHE Repair Post navigation Previous Previous post: How to repair BMW N55 Engine BOSCH MEVD17xx Series DME Cylinder misfire failure – Repair Tips repair caseNext Next post: How to repair Ford Volkswagen ESP ABS Pump control unit internal fault No communication failure