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; Elevation, AT4: O; AT4X, Denali: not offered
TCV Factory-verified
Also documented for Chevrolet
Documented applications
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; O: Cargo 1WT, Cutaway 1WT, Cutaway 2WT (2026), Passenger 1LS, Passenger 1LT
This page aggregates every documented appearance of TCV in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.