Keys, 6 additional (SEO)

Years 2016, 2018–19, 2025 Models 2 Factory citations 6

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Also described as Keys, 6 additional

Documented applications

Silverado Medium Duty (GM515, 2019–2026)

2025 Factory-verified

the 2025 fleet guide key page prints "Not available to order at this time"

GM factory document — 2025 chevrolet silverado 4500 hd 5500 hd and 6500 hd fleet order guide rpo codes, p.1.
GM factory document — 2025 chevrolet silverado 4500 hd 5500 hd and 6500 hd fleet order guide, p.123.

Tahoe — K2XX (2015–2020)

2016, 2018–2019 Factory-verified

2016: Police Vehicle, Special Service: A; programming at the customer's expense; 2018–2019 from GM's 2018 and 2019 Tahoe order guides (GM Authority copies)

GM factory document — 2016 chevrolet tahoe police vehicle fleet order guide wayback, p.2.
GM factory document — 2016 chevrolet tahoe special service vehicle fleet order guide wayback, p.2.
GM factory document — 2018 chevrolet tahoe order guide copy gm authority, p.67.
GM factory document — 2019 chevrolet tahoe order guide copy gm authority, p.71.

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