Re: Got the P21DD error code yesterday
My factory 5 yr 100K mile engine warranty covered the repair. They replaced the DEF tank and components.
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1942 Chevy 1/2 ton Rod, 1959 GMC 1/2 ton Fleet Stepside, 1967 Chevy SWB K10, 1985 Corvette Coupe 4+3, 2015 Chevy Duramax reg cab 4WD W/T
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