PDB Factory-verified

Cadillac · Regular Production Option

LPO, Onyx package

Years 2018, 2024–27 Models 9 Factory citations 27

Query this via API →

Also described as LPO, Winter Protection PackageLPO, Onyx PackageOnyx Package (LPO)

Also documented for Buick Chevrolet GMC

Documented applications

ATS — Alpha (2013–2019)

2018 Factory-verified

vehicle cover (VRU, or RWJ on the ATS-V) with the Battery Protection Package 5WF

GM factory document — 2018 cadillac ats coupe fleet order guide wayback, p.3.
GM factory document — 2018 cadillac ats sedan fleet order guide wayback, p.3.
GM factory document — 2018 cadillac ats v fleet order guide wayback, p.3.

CT4 — Alpha 2 (2020–2026)

2025–2026 Factory-verified

GM factory document — 2025 cadillac ct4 fleet order guide rpo codes, p.1.
GM factory document — 2025 cadillac ct4 v ct4 v blackwing fleet order guide rpo codes, p.1.
GM factory document — 2026 cadillac ct4 fleet order guide rpo codes, p.1.
GM factory document — 2026 cadillac ct4 v ct4 v blackwing fleet order guide rpo codes, p.1.

CT5 — Alpha 2 (2020–2026)

2025–2026 Factory-verified

GM factory document — 2025 cadillac ct5 fleet order guide rpo codes, p.1.
GM factory document — 2025 cadillac ct5 v ct5 v blackwing fleet order guide rpo codes, p.1.
GM factory document — 2026 cadillac ct5 fleet order guide rpo codes, p.1.
GM factory document — 2026 cadillac ct5 v ct5 v blackwing fleet order guide rpo codes, p.1.

Escalade IQ — Ultium BEV (2025–2027)

2025–2027 Factory-verified

GM factory document — 2025 cadillac all electric escalade iq fleet order guide rpo codes, p.1.
GM factory document — 2027 cadillac all electric escalade iql fleet order guide rpo codes, p.1.

Escalade — T1XX, 5th gen (2021–2027)

2024–2027 Factory-verified

2027: Sport, Platinum Sport: O; GM Authority for 2024

GM factory document — 2025 cadillac new escalade escalade v fleet order guide, p.15.
GM factory document — 2027 cadillac escalade escalade v fleet order guide, p.18.

Lyriq — BEV3 (2023–2027)

2026–2027 Factory-verified

GM factory document — 2026 cadillac all electric lyriq lyriq v fleet order guide rpo codes, p.1.
GM factory document — 2027 cadillac all electric lyriq lyriq v fleet order guide rpo codes, p.1.

Optiq — BEV3 (2025–2027)

2025–2027 Factory-verified

2025: all trims O; 2026–2027: Sport, Premium Sport, V-Series: O; Luxury, Premium Luxury: not available

GM factory document — 2025 cadillac all electric optiq fleet order guide rpo codes, p.1.
GM factory document — 2027 cadillac all electric optiq optiq v fleet order guide rpo codes, p.1.
GM factory document — 2025 cadillac all electric optiq fleet order guide, p.9.
GM factory document — 2026 cadillac all electric optiq optiq v fleet order guide, p.14.
GM factory document — 2027 cadillac all electric optiq optiq v fleet order guide, p.15.

XT4 — E2 (2019–2025)

2025 Factory-verified

Premium Luxury: O; Sport: not available; includes RZ9 grille, 5JW wheels, 5ZC center cap, RIK nameplate and SFZ emblems; not with PDV, PDL, PDJ or PDK

GM factory document — 2025 cadillac xt4 fleet order guide, p.10.
GM factory document — 2025 cadillac xt4 fleet order guide rpo codes, p.1.

XT5 — C1XX (2017–2026)

2026 Factory-verified

GM Authority 2026 wheel article lists this code

GM factory document — 2026 cadillac xt5 fleet order guide rpo codes, p.1.
GM factory document — 2026 cadillac xt5 fleet order guide, p.15.
GM factory document — 2026 cadillac xt5 fleet order guide, p.30.

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