5K2 Factory-verified

GMC · Regular Production Option

LPO, door decal package

Years 2016–17, 2019, 2021–22 Models 1 Factory citations 4
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Also documented for Chevrolet

Documented applications

This page aggregates every documented appearance of 5K2 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.