U need 2 license to tune a 06 GTO?

[JS1965]

I had to use one for the PCM and one for the TCM to tune my car?
Is this correct?

[ScarabEpic22]

Nevermind, found Tordne's reply in the other thread. It used 1 VIN license yet asked you to license the ECM and TCM seperately, but only 1 license was used.

[JS1965]

Thanks to both of u for the answer :)