- 2003 Factory-verified
AC6 Factory-verified
Also described as Window, tinted deep, rear, S/D
Also documented for CadillacChevrolet
Documented applications
- 2003 Factory-verified
- 2003–2006 Factory-verified
- 2007–2008 Factory-verified
This page aggregates every documented appearance of AC6 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.