2013 Duramax LML DTC P0420

[FireCapt651]

'Scuse my likely ignorance on the subject, but what's the emissions warranty?

For my 2013 Silverado with the LML Duramax, the emissions warranty is as follows:

3 year/36k mile bumper-to-bumper (the standard warranty)
7 year/70k miles (federally mandated but only on a very short, specific list of parts)
10 year 120k miles special extended warranty for the indirect injector and certain parts on the DEF injection system