TB4 Factory-verified

GMC · Regular Production Option

Liftgate, rear, manual

Years 1998–09, 2014–19, 2022–23, 2025–27 Models 10 Factory citations 31
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Also described as Body equipment, lift gate, manualBody equipment, liftgate (manual)Body equipment, liftgateLiftgate, rear, manual, fixed glassLiftgate, manual

Also documented for BuickChevroletOldsmobileSaturn

Documented applications

This page aggregates every documented appearance of TB4 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.