EC6 ✓ Factory-verified

Cadillac · Regular Production Option

Battery pack, propulsion

Years 2023, 2025–27 Models 2 Factory citations 5

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Also documented for Chevrolet

Documented applications

Lyriq — BEV3 (2023–2027) →

• 2023, 2025–2027 ✓ Factory-verified

  the 2023 list reads Ultium rechargeable energy storage system, 100 kWh; all trims: S; Professional Vehicle (S)

  ⛭ GM factory document — 2023 cadillac all new electric lyriq fleet order guide wayback, p.3.

  ⛭ GM factory document — 2025 cadillac all electric lyriq fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2027 cadillac all electric lyriq professional vehicle fleet order guide rpo codes, p.1.

Vistiq — BEV3 (2026–2027) →

• 2026–2027 ✓ Factory-verified

  all trims: S

  ⛭ GM factory document — 2026 cadillac all electric vistiq fleet order guide, p.54.

  ⛭ GM factory document — 2027 cadillac all electric vistiq fleet order guide, p.54.

Related codes · mentioned in these notes

S

This page aggregates every documented appearance of EC6 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.