Locks, separate keys for side and rear cargo doors

Years 1984, 1986, 1988 Models 1 Factory citations 3

Also documented for Chevrolet

Documented applications

Vandura and Rally — Second generation G-series (1983–1996)

1984, 1986, 1988 Factory-verified

key unit; shared G-van platform code; cited from the Chevrolet G-Van kit

GM Heritage factory kit — 1984 Chevrolet G Van, p.18.
GM Heritage factory kit — 1986 Chevrolet G Van, p.25.
GM Heritage factory kit — 1988 Chevrolet Vandura, p.23.

This page aggregates every documented appearance of AU2 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.