- 1998 Factory-verified
U74 Factory-verified
Also documented for BuickChevroletGMCOldsmobile
Documented applications
- 1998, 2005 Factory-verified
The 2005 list reads "Antenna".
This page aggregates every documented appearance of U74 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.