Lock control, retail locking feature (SEO)

Years 2025–27 Models 1 Factory citations 4

Also documented for GMC

Documented applications

Tahoe — T1XX (2021–2027)

2025–2027 Factory-verified

2027: police guides: O on both columns; printed by the Tahoe police package and special service guides, not by the retail and fleet guides; the police guides read retail locking calibration for the front passenger power lock and unlock switches

GM factory document — 2025 chevrolet new tahoe police package and special service fleet order guide, p.9.
GM factory document — 2026 chevrolet tahoe police package and special service fleet order guide, p.9.
GM factory document — 2027 chevrolet tahoe police package and special service fleet order guide, p.10.
GM factory document — 2026 chevrolet suburban tahoe electrical body builder manual service manual 2026 en us, p.5.

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