Y5D Factory-verified

GMC · Regular Production Option

Sales package, value option for crew cabs

Years 2009, 2023–24, 2026 Models 2 Factory citations 4
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Also described as Sales package, driver awareness 3

Also documented for Chevrolet

Documented applications

This page aggregates every documented appearance of Y5D in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.