4JJ Factory-verified

GMC · Regular Production Option

Interior trim, Gideon / Very Dark Atmosphere

Years 2019–20, 2022–26 Models 3 Factory citations 12
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Also described as Interior trim, Gideon/Very Dark Atmosphere

Also documented for Chevrolet

Documented applications

This page aggregates every documented appearance of 4JJ in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.