B0127 By John SmithPosted on June 8, 2023August 14, 2023 ContentsDefinition of check engine code B0127:Toyota:GM:Definition of check engine code B0127:Toyota:Seat Belt Buckle Swith, LH malfunction / 27GM:Air flow position command #1 (main/front) circuit low Share this:Related posts:B0047B0006B0001