- 1999–2005 Factory-verified
the 1999 list reads domestic
TT5 Factory-verified
Also documented for BuickChevroletGMCOldsmobileSaturn
Documented applications
- 2005–2006 Factory-verified
This page aggregates every documented appearance of TT5 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.