- 2009 Factory-verified
QD5 Factory-verified
Also documented for CadillacChevroletGMCOldsmobilePontiacSaturn
Documented applications
- 1999 Factory-verified
- 2004–2005 Factory-verified
- 2006, 2009 Factory-verified
- 2000–2005 Factory-verified
This page aggregates every documented appearance of QD5 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.