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Home >> Lexus >> 2023 >> LC 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 259 (Airbag System - Diagnostic Codes (Coupe) (5 Of 5) & Symptom Tests) >> Airbag System >> DTC U0154/99: Lost Communication with Restraints Occupant Classification System Module; DTC U124F/99: Lost Communication with Pedestrian Protection ECU [03/2017 - 04/2020] >> Description

DTC U0154/99: Lost Communication with Restraints Occupant Classification System Module; DTC U124F/99: Lost Communication with Pedestrian Protection ECU [03/2017 - 04/2020]: Description

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DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode
U0154/99 Lost Communication with Restraints Occupant Classification System Module Communication stop occurs between the airbag ECU assembly and occupant detection ECU continuously for 5 seconds or more.
  • CAN communication system
  • Occupant detection ECU
  • Airbag ECU assembly
Comes on Not applicable
U124F/99 Lost Communication with Pedestrian Protection ECU Communication stop occurs between the airbag ECU assembly and pedestrian detection ECU assembly continuously for 5 seconds or more.
  • CAN communication system
  • Pedestrian detection ECU assembly
  • Airbag ECU assembly
Comes on Not applicable