- 1983 Factory-verified
Standard; shared G-body platform code; cited from the joint El Camino/Caballero pages of the Chevrolet El Camino kits
GM Heritage factory kit — 1983 Chevrolet El Camino, p.5.
QXX Factory-verified
Also documented for Chevrolet
Documented applications
This page aggregates every documented appearance of QXX in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.