KC6 ✓ Factory-verified

GMC · Regular Production Option

Provisions, accessory device

Years 2000 Models 2 Factory citations 2

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Also documented for Chevrolet

Documented applications

Sierra — GMT800 (1999–2007) →

• 2000 ✓ Factory-verified
  ⛭ GM factory document — 2000 gmc gmc c sierra 2wd rpo code list, p.1.

Yukon — GMT800 (2000–2006) →

• 2000 ✓ Factory-verified
  ⛭ GM factory document — 2000 gmc yukon 2wd rpo code list, p.1.

This page aggregates every documented appearance of KC6 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.