With the Mpps you do not have to read it, if it is a 70cv in K-line the you can read with the wing nut for the reading puts us almost an hour, while if ? Can-Bus makes you the virtual read or identify the ecu and you get the original file, otherwise the open, and the laws in j-tag with the cock, if you have a bit of familiarity not ? difficult, I'm testing a rooster v53 and I tried it on two mjt-8xx