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Home >> Lexus >> 2021 >> LC 500 2D Coupe >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag System - Diagnostic Codes (Coupe) (1 Of 5) >> Airbag System >> DTC B1615: Front Airbag Sensor (LH) [04/2020 - 05/2023] >> Description

DTC B1615: Front Airbag Sensor (LH) [04/2020 - 05/2023]: Description

The front airbag sensor LH consists of a diagnostic circuit and frontal deceleration sensor, etc.

If the airbag ECU assembly receives signals from the frontal deceleration sensor, it determines whether the SRS should be activated.

DTC B1615 is stored when a malfunction is detected in the front airbag sensor LH circuit.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode
B1615 Front Airbag Sensor (LH) Either condition is met:
  • A front airbag sensor LH malfunction.
  • An airbag ECU assembly malfunction.
  • Front airbag sensor LH
  • Airbag ECU assembly
Comes on Not applicable