This worked fine on my 2017 RC390 with CAN. It has pinouts for K-Line and CAN, so no guessing. Used with ELM327 and Torque App. If the pinout is as shown, it should work with your US CAN 2017+. Models <=2016 use the K line. If there are 3 pins in one row and 1 pin in the other, it's CAN. If there are 2 contacts + 1 contact, it is the K line. If you have a 2017 US model and the CAN cable described, that's a different issue. It looks like he has both types of contacts. The only pins that the two pins share are pin 1 (+12V) and pin 6 (ground). CAN uses pin 2+3 for the H/L bank, with the K line using pin 4 for the K line.
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