- 1987–1988 Single-source
years from the OSG; not with D80 (conceptcarz, 1987); the GM-wide lists read V56 as the painted carrier
V56 Single-source
Also documented for BuickChevrolet
Documented applications
This page aggregates every documented appearance of V56 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.