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    Super Mario Diagnostics: Trouble codes are not part numbers - this is why

    Jan. 22, 2024
    In this video, Mario Rojas, also known as Super Mario Diagnostics, takes a look at a 2019 GMC Sierra with its check engine and emissions lights on and displaying a code P0498. 

    In this video, Mario Rojas, also known as Super Mario Diagnostics, takes a look at a 2019 GMC Sierra with its check engine and emissions lights on and displaying a code P0498. 

    Follow Super Mario Diagnostics on YouTube and Facebook.