B0020
Left Side Airbag Deployment Control
OBD-II
Airbags / seat belts
What it means
Left side airbag deployment circuit fault — often a connector under the seat.
Seeing B0020?
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Check your car freeRelated codes
B0001
Driver Frontal Stage 1 Deployment Control
Airbags / seat beltsHigh
B0010
Passenger Frontal Stage 1 Deployment Control
Airbags / seat beltsHigh
B0022
Left Side Curtain Airbag Deployment Control
Airbags / seat beltsHigh
B0081
Driver Seat Belt Pretensioner Deployment Control
Airbags / seat beltsHigh
General reference only — what a code means can vary by make and model. Confirm with a qualified technician.