LPO, utility wall trailer hitch holder

Years 2025–27 Models 4 Factory citations 8

Query this via API →

Also described as LPO, trailer hitch holder

Also documented for Chevrolet

Documented applications

Canyon — Third generation (VSS-T) (2023–2027)

2025–2027 Factory-verified

GM factory document — 2025 gmc canyon fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc canyon fleet order guide rpo codes, p.1.
GM factory document — 2027 gmc canyon fleet order guide rpo codes, p.1.

Sierra EV — BT1 (2024–2027)

2027 Factory-verified

requires PCX

GM factory document — 2027 gmc sierra ev fleet order guide rpo codes, p.1.
GM factory document — 2027 gmc sierra ev fleet order guide, p.19.

Sierra 1500 — Next-Generation (2027)

2027 Factory-verified

Pro, Elevation 3SB, AT4, AT4X, Denali, Denali Ultimate: O (ADI available); Elevation 3VL: not offered; dealer-installed

GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide, p.47.
GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

Sierra — T1XX (2019–2026)

2025 Factory-verified

the 2025 list prints "Trailor"

GM factory document — 2025 gmc my25 sierra 1500 electrical bbm, p.14.

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