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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 B1615/14: Front Airbag Sensor LH Malfunction [03/2017 - 04/2020] >> Description

DTC B1615/14: Front Airbag Sensor LH Malfunction [03/2017 - 04/2020]: 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 B1615/14 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
B1615/14 Front Airbag Sensor LH Malfunction 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