- 1989, 1991–1992, 1994 Factory-verified
1989: VL coupe; 1991–1994: VL coupe and sedan; the 1991 heading prints JPAT, the code is legible in the page's radio and tinted glass lines
GM Heritage factory kit — 1989 Chevrolet Cavalier, p.24.GM Heritage factory kit — 1991 Chevrolet Cavalier, p.19.GM Heritage factory kit — 1992 Chevrolet Cavalier, p.19.GM Heritage factory kit — 1994 Chevrolet Cavalier, p.10.
JPA1 Factory-verified
Documented applications
This page aggregates every documented appearance of JPA1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.