- 1995 Factory-verified
the 1995 chart prints no rear (YCM) code.
GM Heritage factory kit — 1995 Chevrolet G Van, p.6.
ZCM Factory-verified
Documented applications
This page aggregates every documented appearance of ZCM in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.