- 2002–2006 Factory-verified
U34 Factory-verified
Also documented for ChevroletGMCHummer
Documented applications
- 2007–2009 Factory-verified
- 2002–2006 Factory-verified
- 2007–2009 Factory-verified
This page aggregates every documented appearance of U34 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.