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

  1. #1
    Potential Tuner
    Join Date
    Jul 2023
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    2

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

    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+

  2. #2
    Tuner in Training
    Join Date
    Mar 2023
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    10
    Have you completed the Advanced Parameter training course on HPT website?

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

  3. #3
    Potential Tuner
    Join Date
    Jul 2023
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    Yea I completed the course but I still get the cel it’s a permanent code for p0420 and p0430

  4. #4
    Tuner in Training
    Join Date
    Mar 2023
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    10
    So you have parameter access via your registered device code? Then unchecked the “MIL” and disabled respective OBD2 code via “Diagnostic” tab?….