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Home >> Lexus >> 2023 >> LS 500h >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag System (W/O Advanced Park) - Diagnostic Codes (1 Of 3) >> AIRBAG SYSTEM (w/o Advanced Park) >> DTC B1625: Side Airbag Sensor Assembly (LH); DTC B1627: Side Airbag Sensor Assembly Lost Communication (LH) [10/2020 - 11/2021] >> Description

DTC B1625: Side Airbag Sensor Assembly (LH); DTC B1627: Side Airbag Sensor Assembly Lost Communication (LH) [10/2020 - 11/2021]: Description

The side airbag sensor assembly LH consists of a lateral deceleration sensor, etc.

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

DTC B1625 or B1627 is stored when a malfunction is detected in the side airbag sensor assembly LH circuit.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode
B1625 Side Airbag Sensor Assembly (LH) Either condition is met:
  • A side airbag sensor assembly LH malfunction.
  • An airbag ECU assembly malfunction.
  • Side airbag sensor assembly LH
  • Airbag ECU assembly
Comes on Not applicable
B1627 Side Airbag Sensor Assembly Lost Communication (LH) Either condition is met:
  • A side airbag sensor assembly LH malfunction.
  • An airbag ECU assembly malfunction.
  • Side airbag sensor assembly LH
  • Airbag ECU assembly
Comes on Not applicable