Refer to the appropriate pinout diagram for. ULINK2 Adapter Connectors (cover off) ULINK2 supports both JTAG and Serial Wire Mode interfaces. Start your search for original ECU files, ECU type, hardware and software numbers and available tuning services here.Das JTAG-Protokoll ermöglicht das Programmieren, Debuggen und Testen von ICs, Prozessoren und FPGAs direkt in der Schaltung. Joint Test Action Group, entwickelte den Standard IEEE 1149.1.pinout GPT cable It's for PCM bench flash it can read without opening ecu case but the GPT points were not listed properly and it uses the same points as Ktag, disport.