- 1988, 1990 Factory-verified
requires F41
GM Heritage factory kit — 1988 Chevrolet Caprice, p.16.GM Heritage factory kit — 1990 Chevrolet Caprice, p.9.
QHJ Factory-verified
Also documented for Hummer
Documented applications
This page aggregates every documented appearance of QHJ in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.