B1421 By John SmithPosted on June 14, 2023August 14, 2023 ContentsDefinition of check engine code B1421:Mercedes:Toyota:GM:Definition of check engine code B1421:Mercedes:Pulse module (N05)Toyota:Solar Sensor Circuit (Passenger Side) (Progr., RX3))GM:Device voltage range/performance Share this:Related posts:B0047B0006B0001
