- 2001–2007 Factory-verified
VT4 Factory-verified
Also described as Bumper, front, color keyed
Also documented for CadillacChevrolet
Documented applications
- 2001, 2003–2006 Factory-verified
This page aggregates every documented appearance of VT4 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.