Tailgate, locking

Years 2015–19, 2021–22, 2025–27 Models 2 Factory citations 11

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Also documented for GMC

Documented applications

Colorado — Second generation (GMT31XX) (2015–2022)

2015–2019, 2021–2022 Factory-verified

2015: S on all trims; 2017: S on all trims; 2018 from GM's 2018 Colorado order guide (PDF); 2021 from the upfitter list GM files for 2021 and 2022

GM factory document — 2015 chevrolet colorado fleet order guide wayback, p.3.
GM factory document — 2016 chevrolet canyon colorado electrical body builders manual service manual 2016 en us, p.8.
GM factory document — 2017 chevrolet colorado fleet order guide wayback, p.2.
GM factory document — 2019 chevrolet 19 coloradocanyon body builder sm u 2018aug01 1, p.10.
GM factory document — 2022 chevrolet 22 canyon colorado electrical body builder sm en us 2021oct15, p.10.
GM factory document — 2018 chevrolet colorado order guide copy gm authority, p.9.

Silverado EV — BT1 (2024–2027)

2025–2027 Factory-verified

GM factory document — 2025 chevrolet silverado ev fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet silverado ev fleet order guide rpo codes, p.1.
GM factory document — 2025 chevrolet silverado ev fleet order guide, p.9.
GM factory document — 2026 chevrolet silverado ev fleet order guide, p.12.
GM factory document — 2027 chevrolet silverado ev fleet order guide, p.11.

This page aggregates every documented appearance of EN5 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.