- 1986, 1987, 1990 Factory-verified
1986 from the 1986 pages in the kit file named for the prior model year; shared M-body code; cited from the joint Astro/Safari pages of the Astro kits.
GM Heritage factory kit — 1985 Chevrolet Astro Van, p.6.GM Heritage factory kit — 1987 Chevrolet Astro Van, p.26.GM Heritage factory kit — 1990 Chevrolet Astro Van, p.8.
QCG Factory-verified
Also documented for Chevrolet
Documented applications
This page aggregates every documented appearance of QCG in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.