- 2000–2001 Factory-verified
UD4 Factory-verified
Also described as Alarm, vehicle speed, 120 km/h
Also documented for BuickCadillacChevroletGMCHummerPontiacSaturn
Documented applications
- 2003–2004 Factory-verified
- 1999 Factory-verified
- 2000–2004 Factory-verified
This page aggregates every documented appearance of UD4 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.