- 1998–2001 Factory-verified
TB4 Factory-verified
Also described as Body equipment, liftgate
Also documented for BuickChevroletGMCSaturn
Documented applications
- 2002–2004 Factory-verified
This page aggregates every documented appearance of TB4 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.