- 1998–1999 Factory-verified
Bonneville Club agrees.
U23 Factory-verified
Also described as Cluster, instrument, trip odometer
Also documented for BuickChevroletOldsmobile
Documented applications
- 1998 Factory-verified
- 1998 Factory-verified
This page aggregates every documented appearance of U23 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.