LPO, Trailering Package, trailer hitch and wiring harness

Years 2016–17, 2025–27 Models 3 Factory citations 6

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Also described as LPO, trailer hitch kitLPO, Trailer hitch

Also documented for Cadillac Chevrolet GMC

Documented applications

Enclave — VSS-S (2025–2027)

2025 Factory-verified

O on all trims

GM factory document — 2025 buick all new enclave fleet order guide, p.13.

Encore GX — VSS-F (2020–2027)

2025–2027 Factory-verified

GM factory document — 2025 buick encore gx fleet order guide, p.28.
GM factory document — 2026 buick encore gx fleet order guide, p.31.
GM factory document — 2027 buick encore gx fleet order guide, p.29.

Envision — D2XX, imported from China (2016–2020)

2016–2017 Factory-verified

2017: 1SD, 1SL, 1SN, 1SP: O, dealer-installed; includes the trailer hitch cover (VLG); the 2019 guide sells it only inside PCZ (p.24: included and only available with PCZ), so 2019 is left out

GM factory document — 2016 buick envision order guide copy gm authority, p.16.
GM factory document — 2017 buick envision order guide copy gm authority, p.21.

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