TL1 Factory-verified

Hummer · Regular Production Option

Grille, special

Years 2006 Models 1 Factory citations 1
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Also documented for BuickCadillacChevroletGMC

Documented applications

This page aggregates every documented appearance of TL1 in the Hummer reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.