SEY ✓ Factory-verified

GMC · Regular Production Option

LPO, Wheels, 22 inch (55.9 cm) chrome, 6 spoke, multi-featured design

Years 2014, 2017 Models 1 Factory citations 2

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Also documented for Cadillac

Documented applications

Sierra — K2XX (2014–2019) →

• 2014, 2017 ✓ Factory-verified

  same wording as SEU and SEZ.

  ⛭ GM factory document — 2014 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.31.

Related codes · mentioned in these notes

SEUSEZ

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