ACH Factory-verified

GMC · Regular Production Option

Restraint provisions, retractor, automatic locking

Years 2023–24, 2026 Models 1 Factory citations 3
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Also documented for CadillacChevrolet

Documented applications

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