DLU Factory-verified

GMC · Regular Production Option

Visors, driver and front passenger, passenger vanity mirror

Years 2015–17, 2019, 2021–22 Models 1 Factory citations 6
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Also documented for Chevrolet

Documented applications

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