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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 B1630: Curtain Shield Airbag Sensor (RH); DTC B1632: Curtain Shield Airbag Sensor Lost Communication (RH) [12/2019 - 11/2023] >> Description

DTC B1630: Curtain Shield Airbag Sensor (RH); DTC B1632: Curtain Shield Airbag Sensor Lost Communication (RH) [12/2019 - 11/2023]: Description

The side collision sensor RH circuit (bus 1) consists of the airbag sensor assembly, side airbag sensor assembly RH and rear airbag sensor RH.

The side airbag sensor assembly RH and rear airbag sensor RH detect impacts to the vehicle and send signals to the airbag sensor assembly to determine if the airbags, pretensioners and selectable force limiter should be deployed.

These DTCs are stored when a malfunction is detected in the rear airbag sensor RH.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode
B1630 Curtain Shield Airbag Sensor (RH)
  • Rear airbag sensor RH malfunction
  • Airbag sensor assembly malfunction
  • Rear airbag sensor RH
  • Airbag sensor assembly
Comes on Does not apply to test/check mode
B1632 Curtain Shield Airbag Sensor Lost Communication (RH)
  • Rear airbag sensor RH malfunction
  • Airbag sensor assembly malfunction
  • Rear airbag sensor RH
  • Airbag sensor assembly
Comes on Does not apply to test/check mode