31C ✓ Factory-verified

GMC · Regular Production Option

Trim combination, cloth, Ebony/Light Cashmere

Years 2008–09 Models 2 Factory citations 3

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Also described as Trim combination, cloth, Light Cashmere

Also documented for BuickChevroletSaturn

Documented applications

Acadia — first generation, Lambda (2007–2017) →

• 2008–2009 ✓ Factory-verified

  GM prints "(C) (07)".

  ⛭ GM factory document — 2008 gmc acadia 2wd rpo code list, p.1.

  ⛭ GM factory document — 2009 gmc acadia 2wd rpo code list, p.1.

Sierra — GMT900 (2007–2013) →

• 2009 ✓ Factory-verified

  The list marks it (C) (05).

  ⛭ GM factory document — 2009 gmc sierra 2wd rpo code list, p.1.

This page aggregates every documented appearance of 31C in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.