- 1998 Factory-verified
GM prints "(98)" after the name.
77U Factory-verified
Also documented for ChevroletOldsmobilePontiac
Documented applications
- 1998 Factory-verified
GM prints "(95)".
This page aggregates every documented appearance of 77U in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.