I need help I want to change the injection map on my rx3 I need to download a bin file. Which i want to send to
https://oldskulltuning.com/ they will modify the file they will send me and i will have to upload it it involves a big plan because i want to put big bore kit 84 unfortunately when i try to download the file using elm 327 USB interface V1.5 in HUD ECU HACKER v3.7 i get an error,Is there a step by step procedure on how to do this in hud ecu hacker generally the interface connects and shows parameters, but when trying to download the file an error pops up. can anyone help me.