LPO, Cargo box side assist step, retractable

Years 2014–19 Models 2 Factory citations 6

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Also described as LPO, Cargo box retractable side assist step

Also documented for Chevrolet

Documented applications

Sierra HD — K2XX (2015–2019)

2015, 2018–2019 Factory-verified

dealer-installed; 2015 marks: Sierra, SLE, SLT: O; 2018: GM's 2018 Sierra 2500HD order guide; 2019: GM's 2019 Sierra 3500HD order guide

GM factory document — 2015 gmc sierra 2500hd fleet order guide wayback, p.3.
GM factory document — 2018 gmc sierra 2500hd order guide copy gm authority, p.23.
GM factory document — 2019 gmc sierra 3500hd order guide copy gm authority, p.21.

Sierra — K2XX (2014–2019)

2014, 2016–2017 Factory-verified

the 2016 guide reads driver side only.

GM factory document — 2014 gmc sierra 1500 fleet order guide wayback, p.3.
GM factory document — 2016 gmc sierra 1500 fleet order guide wayback, p.3.
GM factory document — 2017 chevrolet sierra silverado electrical body builders manual service manual 2017 en us, p.30.

This page aggregates every documented appearance of S6V in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.