- 2000–2001 Factory-verified
UD4 Factory-verified
Also described as Alarm, vehicle speed, 120 kilometers per hourAlarm, vehicle speed, universal
Also documented for BuickChevroletGMCHummerOldsmobilePontiacSaturn
Documented applications
- 2008 Factory-verified
- 2007 Factory-verified
- 2000–2005 Factory-verified
- 1998–1999 Factory-verified
- 2006–2009 Factory-verified
- 1998–1999 Factory-verified
- 2002, 2004–2006 Factory-verified
- 2007–2009 Factory-verified
- 1999–2000 Factory-verified
- 2002, 2004–2006 Factory-verified
- 2007–2009 Factory-verified
- 2007, 2009 Factory-verified
- 2007–2009 Factory-verified
- 2004–2009 Factory-verified
This page aggregates every documented appearance of UD4 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.