ZRG ✓ Factory-verified

Chevrolet · Regular Production Option

Package, Adaptive Cruise Control

Years 2025–26 Models 1 Factory citations 2

Query this via API →

Also documented for Cadillac

Documented applications

Trailblazer — First generation, VSS-F (2021–2027) →

• 2025–2026 ✓ Factory-verified

  LT: O; includes KSG; requires Y19; 2025 and 2026 only

  ⛭ GM factory document — 2025 chevrolet trailblazer fleet order guide, p.9.

  ⛭ GM factory document — 2026 chevrolet trailblazer fleet order guide, p.9.

Related codes · mentioned in these notes

KSGY19

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