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Home >> Toyota >> 2017 >> Mirai >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag System - Diagnostic Codes (3 Of 3) & Symptom Tests >> Airbag System >> DTC B1838-58: Short to B+ in Curtain Shield Squib LH Circuit [06/2015 - ] >> Description

DTC B1838-58: Short to B+ in Curtain Shield Squib LH Circuit [06/2015 - ]: Description

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

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

DTC B1838/58 is stored when a short to B+ is detected in the curtain shield squib LH circuit.

DTC No. Detection Item DTC Detection Condition Trouble Area Test Mode / Check Mode
B1838/58 Short to B+ in Curtain Shield Squib LH Circuit
  • The airbag sensor assembly detects a short to B+ in the curtain shield squib LH circuit.
  • Curtain shield squib LH malfunction
  • Airbag sensor assembly malfunction
  • Floor wire
  • Curtain shield squib LH (Curtain shield airbag assembly LH)
  • Airbag sensor assembly
Applies to check mode