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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag System - Diagnostic Codes (7 Of 7) & Symptom Tests >> Airbag System >> DTC B1830: Short in Curtain Shield Airbag (RH) Squib Circuit; DTC B1831: Open in Curtain Shield Airbag (RH) Squib Circuit; DTC B1832: Short in Curtain Shield Airbag (RH) Squib Circuit (to Ground); DTC B1833: Short in Curtain Shield Airbag (RH) Squib Circuit (to +B) [12/2019 - 11/2023] >> Description

DTC B1830: Short in Curtain Shield Airbag (RH) Squib Circuit; DTC B1831: Open in Curtain Shield Airbag (RH) Squib Circuit; DTC B1832: Short in Curtain Shield Airbag (RH) Squib Circuit (to Ground); DTC B1833: Short in Curtain Shield Airbag (RH) Squib Circuit (to +B) [12/2019 - 11/2023]: Description

The curtain shield squib RH circuit consists of the airbag sensor assembly and curtain shield airbag assembly RH.

The airbag sensor assembly uses this circuit to deploy the airbag when deployment conditions are met.

These DTCs are stored when a malfunction is detected in the curtain shield squib RH circuit.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode
B1830 Short in Curtain Shield Airbag (RH) Squib Circuit
  • The airbag sensor assembly detects a line short in the curtain shield squib RH circuit during the primary check.
  • Curtain shield squib RH malfunction
  • Airbag sensor assembly malfunction
  • Floor wire
  • Curtain shield squib RH (Curtain shield airbag assembly RH)
  • Airbag sensor assembly
 Comes on Applies to check mode
B1831 Open in Curtain Shield Airbag (RH) Squib Circuit
  • The airbag sensor assembly detects an open in the curtain shield squib RH circuit.
  • Curtain shield squib RH malfunction
  • Airbag sensor assembly malfunction
  • Floor wire
  • Curtain shield squib RH (Curtain shield airbag assembly RH)
  • Airbag sensor assembly
 Comes on Applies to check mode
B1832 Short in Curtain Shield Airbag (RH) Squib Circuit (to Ground)
  • The airbag sensor assembly detects a short to ground in the curtain shield squib RH circuit.
  • Curtain shield squib RH malfunction
  • Airbag sensor assembly malfunction
  • Floor wire
  • Curtain shield squib RH (Curtain shield airbag assembly RH)
  • Airbag sensor assembly
 Comes on Applies to check mode
B1833 Short in Curtain Shield Airbag (RH) Squib Circuit (to +B)
  • The airbag sensor assembly detects a short to B+ in the curtain shield squib RH circuit.
  • Curtain shield squib RH malfunction
  • Airbag sensor assembly malfunction
  • Floor wire
  • Curtain shield squib RH (Curtain shield airbag assembly RH)
  • Airbag sensor assembly
 Comes on Applies to check mode
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