Interior trim, Medium Ash Gray and Jet Black, perforated leather-appointed

Years 2019 Models 1 Factory citations 1

Also documented for Chevrolet

Documented applications

Terrain — Second generation (D2XX) (2018–2024)

2019 Factory-verified

SLT, SLT Diesel; front bucket seats (AR9)

GM factory document — 2019 gmc terrain order guide copy gm authority, p.47.

This page aggregates every documented appearance of H17 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.