- 2001–2002 Factory-verified
UD4 Factory-verified
Also described as Alarm, vehicle speed, 120 km/h
Also documented for BuickCadillacChevroletGMCHummerOldsmobileSaturn
Documented applications
- 2000–2005 Factory-verified
- 2005–2006 Factory-verified
- 1999–2005 Factory-verified
This page aggregates every documented appearance of UD4 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.