ZM1 ✓ Factory-verified

Cadillac · Regular Production Option

Heavy-Duty Trailering Package

Years 2023–24 Models 1 Factory citations 1

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Also documented for ChevroletGMC

Documented applications

Escalade — T1XX, 5th gen (2021–2027) →

• 2023–2024 ✓ Factory-verified

  the 2023 body-builder list calls it an enhanced trailer view package; the 2026 body-builder list also prints ZM1, the 2025–2027 order guides do not; GM Authority for 2024

  ⛭ GM factory document — 2023 cadillac 23 escalade escalade esv electrical body builder sm en us 2022oct25, p.14.

This page aggregates every documented appearance of ZM1 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.