Tutorial: How to unlock Continental PCR 2.1 from Audi using Scanmatik2 Pro, pcmflash and godiag GPT Boot ECU Adapter. You should first open it because need the password. Here is the wiring diagram (for pcmflash only). You must solder two … Continue reading How to Unlock PCR2.1 with SM2 Pro and Godiag ECU Adapter?