TSB ✓ Factory-verified

Chevrolet · Regular Production Option

Ship thru, Argyle, TX for shipping to final destination

Years 2025–27 Models 1 Factory citations 3

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Documented applications

Tahoe — T1XX (2021–2027) →

• 2025–2027 ✓ Factory-verified internal

  2027: police guides: O on both columns

  ⛭ GM factory document — 2025 chevrolet new tahoe police package and special service fleet order guide, p.30.

  ⛭ GM factory document — 2026 chevrolet tahoe police package and special service fleet order guide, p.30.

  ⛭ GM factory document — 2027 chevrolet tahoe police package and special service fleet order guide, p.30.

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