LPO, Elevation Signature Package

Years 2015, 2017–19, 2025–27 Models 6 Factory citations 14

Also described as Technology PackageLPO, off-road readiness packageHotel shuttle packageDuramax plus packageLPO, Trailering Package

Also documented for Buick Cadillac Chevrolet Pontiac

Documented applications

Acadia — Second generation (C1XX) (2017–2023)

2017–2019 Factory-verified

2019 guide: Denali: O; includes Surround Vision (UVH), adaptive cruise control (KSG) and Forward Automatic Braking (UGN; Automatic Collision Preparation in 2017)

GM factory document — 2017 gmc acadia order guide copy gm authority, p.11, p.21.
GM factory document — 2018 gmc acadia order guide copy gm authority, p.14, p.27.
GM factory document — 2019 gmc acadia order guide copy gm authority, p.14, p.29.

Hummer EV Pickup (2022–2027)

2025–2026 Factory-verified

GM factory document — 2025 gmc hummer ev pickup fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc hummer ev pickup fleet order guide rpo codes, p.1.

Savana — GMT610 (2003–2027)

2025–2027 Factory-verified

only in: Cargo; O on all trims

GM factory document — 2025 gmc savana cargo fleet order guide, p.25.
GM factory document — 2026 gmc savana cargo fleet order guide, p.27.
GM factory document — 2027 gmc savana cargo fleet order guide, p.24.

Sierra HD — K2XX (2015–2019)

2015, 2018–2019 Factory-verified

Duramax diesel (LML in 2015, L5P in 2018 and 2019), Allison 6 speed (MW7), Bose audio (UQA), front and rear park assist (UD5) and 8 inch navigation radio (IO6); not with the pickup box delete (ZW9) or rear bumper delete (9J4); 2015 marks: Sierra, SLE: not offered; SLT: O; 2018: GM's 2018 Sierra 2500HD order guide; 2019: named in the 2019 interior page's package contents or footnotes

GM factory document — 2015 gmc sierra 2500hd fleet order guide wayback, p.4.
GM factory document — 2019 gmc sierra 2500hd fleet order guide wayback, p.1.
GM factory document — 2018 gmc sierra 2500hd order guide copy gm authority, p.24.

Sierra — T1XX (2019–2026)

2026 Factory-verified

GM factory document — 2026 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

Terrain — Third generation (2025–2027)

2026–2027 Factory-verified

O: Elevation; not offered: AT4, Denali; includes 5KE and SDE; the 2027 guide says it is no longer available to order

GM factory document — 2026 gmc next generation terrain fleet order guide, p.13.
GM factory document — 2027 gmc terrain fleet order guide, p.14.

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