SD4 ✓ Factory-verified

Cadillac · Regular Production Option

LPO, Tire inflator

Years 2017 Models 1 Factory citations 1

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Also documented for Chevrolet

Documented applications

CT6 — Omega (2016–2020) →

• 2017 ✓ Factory-verified

  all trims: dealer-installed

  ⛭ GM factory document — 2017 cadillac ct6 fleet order guide wayback, p.3.

This page aggregates every documented appearance of SD4 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.