- 2002–2009 Factory-verified
NP7 Factory-verified
Also documented for BuickCadillacChevroletHummerOldsmobilePontiac
Documented applications
- 2001 Factory-verified
- 2001 Factory-verified
- 2001–2002, 2004–2006 Factory-verified
- 2007–2009 Factory-verified
This page aggregates every documented appearance of NP7 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.