- 1991 Factory-verified
only in: Caprice sedan; the 1994 guide prints the code illegibly
GM Heritage factory kit — 1991 Chevrolet Caprice, p.4.
BLA2 Factory-verified
Documented applications
This page aggregates every documented appearance of BLA2 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.