- 2001 Factory-verified
T9H Factory-verified
Also described as Provisions, lamp, front fog
Also documented for CadillacChevrolet
Documented applications
- 2001 Factory-verified
- 2001, 2004–2006 Factory-verified
This page aggregates every documented appearance of T9H in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.