DTC B1620/21: Side Airbag Sensor RH Circuit Malfunction: Description

The side collision sensor RH circuit (to determine deployment of the front seat airbag assembly RH and curtain shield airbag assembly RH) is composed of the airbag ECU assembly, side airbag sensor assembly RH and side No. 2 airbag sensor assembly RH.

The side airbag sensor assembly RH detects impacts to the vehicle and sends signals to the airbag ECU assembly to determine if the airbag should be deployed.

DTC B1620/21 is stored when a malfunction is detected in the side airbag sensor assembly RH.