- 2000–2001 Factory-verified
Z5X Factory-verified
Also documented for BuickChevroletGMCHummerOldsmobilePontiacSaturn
Documented applications
- 2008–2009 Factory-verified
- 2003–2007 Factory-verified
- 2000–2005 Factory-verified
- 2006–2009 Factory-verified
- 2004–2006 Factory-verified
- 2007–2009 Factory-verified
- 1999–2000 Factory-verified
GM prints "Lanuage"
- 2004–2006 Factory-verified
- 2007–2009 Factory-verified
- 2003–2004 Factory-verified
- 2004–2009 Factory-verified
- 2005–2009 Factory-verified
- 2004–2009 Factory-verified
This page aggregates every documented appearance of Z5X in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.