- 1998–1999 Factory-verified
GM prints "(C) (94)"
30C Factory-verified
Also documented for ChevroletOldsmobilePontiac
Documented applications
- 1998–1999 Factory-verified
GM prints "(C) (94)"
- 1998 Factory-verified
GM prints "(C)(96)".
This page aggregates every documented appearance of 30C in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.