LPO, dark essentials package

Years 2014, 2016, 2018–19, 2023, 2025–27 Models 7 Factory citations 18

Also described as LPO, Black Accent PackageSLT premium packageSLT Premium packageSLT Premium PackageLPO, Dark Accent package

Also documented for Buick Cadillac Chevrolet

Documented applications

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

2018–2019, 2023 Factory-verified

2019 guide: SLE-1, SLE-2, SLT-1, SLT-2: O; not with the All Terrain (GAT); 2018–2019 contents: dark rear license plate trim (RXX), dark tail lamps (SCY) and Black grille (SJ9); 2023: SLE and SLT, then withdrawn from ordering (GM Authority); 2023: GM Authority 2023 Black Accent Package article

GM factory document — 2018 gmc acadia order guide copy gm authority, p.15, p.29.
GM factory document — 2019 gmc acadia order guide copy gm authority, p.15, p.31.

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.

Hummer EV SUV — BT1 (2024–2027)

2025–2026 Factory-verified

includes Black emblems (RIK) and the Black rear D-ring recovery hook (SDA); the guides add that the 1SG trim also includes the Gloss Black 22 inch wheels (PHY) and spare (QNF); not available with the Sport Package (PCP). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL.

GM factory document — 2025 gmc hummer ev suv fleet order guide, p.19.
GM factory document — 2026 gmc hummer ev suv fleet order guide, p.23.

Sierra HD — T1XX (2020–2027)

2025–2027 Factory-verified

only in: 2500 HD and 3500 HD pickup; includes PCY, PDY, PED, 6 inch chrome assist steps (BVQ) and spray-on bedliner (CGN); SLT: O; Pro, SLE, AT4, AT4X, Denali, Denali Ultimate: not offered

GM factory document — 2025 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2025 gmc sierra 2500 hd retail and fleet fleet order guide, p.24.
GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide, p.21.
GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide, p.22.

Sierra — K2XX (2014–2019)

2014, 2016, 2018 Factory-verified

the 2014 guide names it SLT Crew Cab Value Package; the 2016 guide offers it on Crew Cab and Double Cab.

GM factory document — 2014 gmc sierra 1500 fleet order guide wayback, p.3.
GM factory document — 2016 gmc sierra 1500 fleet order guide wayback, p.3.
GM factory document — 2018 gmc sierra 1500 order guide copy gm authority, p.89.

Sierra — T1XX (2019–2026)

2025–2026 Factory-verified

GM factory document — 2025 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

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

2019 Factory-verified

SLT, SLT Diesel: O; new for 2019; includes SJ9, S4X, RXX and RYQ

GM factory document — 2019 gmc terrain order guide copy gm authority, p.39.

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