Calibration, surveillance mode, interior and exterior lighting

Years 2023, 2025–27 Models 5 Factory citations 12

Also described as Calibration, surveillance mode interior and exterior lighting (SEO)Calibration, surveillance mode, exterior and interior lighting offCalibration, Surveillance Mode interior lighting (SEO)

Documented applications

Blazer EV (2024–2027)

2025–2027 Factory-verified internal

; only in: Police Package

GM factory document — 2025 chevrolet blazer ev police package fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet blazer ev police package fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet blazer ev police package fleet order guide rpo codes, p.1.

Bolt EV — first generation (2017–2023)

2023 Factory-verified internal

EUV: LT: included with and only available with 5W4; special equipment option

GM factory document — 2023 chevrolet 23 bolt ev body builder sm en us 2022aug26, p.8.
GM factory document — 2023 chevrolet 23 bolt euv body builder sm en us 2022aug29, p.8.
GM factory document — 2023 chevrolet bolt euv fleet order guide wayback, p.1.

Silverado 1500 — Fifth generation (2027)

2027 Factory-verified internal

GM factory document — 2027 chevrolet next generation silverado 1500 retail and fleet fleet order guide rpo codes, p.1.

Silverado — T1XX (2019–2026)

2025–2026 Factory-verified internal

GM factory document — 2025 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.

Tahoe — T1XX (2021–2027)

2025–2027 Factory-verified internal

2027: police guides: S on both columns

GM factory document — 2025 chevrolet new tahoe police package and special service fleet order guide, p.2.
GM factory document — 2026 chevrolet tahoe police package and special service fleet order guide, p.2.
GM factory document — 2027 chevrolet tahoe police package and special service fleet order guide, p.2.

This page aggregates every documented appearance of 5J3 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.