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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag System - Diagnostic Codes (6 Of 7) >> Airbag System >> DTC B163A: Side Airbag Sensor Assembly No. 2 (LH) [12/2019 - 11/2023] >> Description

DTC B163A: Side Airbag Sensor Assembly No. 2 (LH) [12/2019 - 11/2023]: Description

The side collision sensor LH circuit (bus 2) consists of the airbag sensor assembly and side No. 2 airbag sensor LH.

The side No. 2 airbag sensor LH detects impacts to the vehicle and sends signals to the airbag sensor assembly to determine if the airbags and pretensioners should be deployed.

DTC B163A is stored when a malfunction is detected in the side No. 2 airbag sensor LH.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode
B163A Side Airbag Sensor Assembly No. 2 (LH)
  • Side No. 2 airbag sensor LH malfunction
  • Airbag sensor assembly malfunction
  • Side No. 2 airbag sensor LH
  • Airbag sensor assembly
Comes on Does not apply to test/check mode