Why is check engine light on my '05 trailblazer?
on 2005 Chevrolet Trailblazer

After analyzing, diagnostic codes are b0055, b0040, b0201, and p0128, what are they?

Asked by for the 2005 Chevrolet Trailblazer
1 answer
try going to aamco for diag and est then post results u have multiple issues