- 2005, 2006 Factory-verified
only in: EXT; the service lists do not print it
GM Heritage factory kit — 2005 Chevrolet Trailblazer, p.152.GM Heritage factory kit — 2006 Chevrolet Trailblazer, p.164.
A34 Factory-verified
Documented applications
This page aggregates every documented appearance of A34 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.