DTC B1620/21: Side Airbag Sensor RH Circuit Malfunction; DTC B1622/81: Lost communication with Side Airbag Sensor RH [07/2014 - ]: Description

The side collision sensor RH circuit (to determine deployment of the front seat side airbag assembly RH and curtain shield airbag assembly RH) is composed of the airbag sensor assembly, side airbag sensor assembly RH and rear airbag sensor RH. The side airbag sensor assembly RH detects impacts to the vehicle and sends signals to the airbag sensor assembly to determine if the airbag should be deployed. DTC B1620/21 or B1622/81 is stored when a malfunction is detected in the side collision sensor RH circuit.