2016 Mercedes amg Gts m177 m178 cat code cel delete help?!

[roberto_borboa]

I?ve been trying to figure out why I can?t turn off the cel on my car and it keeps turning back on I?ve tried disabling the O2 but no luck, also what?s type 1-6 what?s that?s about is type 6 to
Turn it off completely, car has catless down pipes only and I?m using mpvi2+

[Manny_fresh63]

Have you completed the Advanced Parameter training course on HPT website?

https://www.hptuners.com/emissions/

[roberto_borboa]

Yea I completed the course but I still get the cel it’s a permanent code for p0420 and p0430

[Manny_fresh63]

So you have parameter access via your registered device code? Then unchecked the “MIL” and disabled respective OBD2 code via “Diagnostic” tab?….