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Home >> Lexus >> 2019 >> LS 500 Base, AWD >> Repair and Diagnosis (Single Page) >> Restraints >> Air Bag, SRS >> Airbag System - Diagnostic Codes (9 Of 9) & Symptom Tests >> Airbag System >> DTC U0154: Lost Communication With Restraints Occupant Classification System Module; DTC U1104: Lost Communication With Driving Support ECU; DTC U124F: Lost Communication With Pedestrian Protection ECU [12/2017 - 09/2018] >> Description

DTC U0154: Lost Communication With Restraints Occupant Classification System Module; DTC U1104: Lost Communication With Driving Support ECU; DTC U124F: Lost Communication With Pedestrian Protection ECU [12/2017 - 09/2018]: Description

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode
U0154 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
U1104 Lost Communication With Driving Support ECU Communication Stop Occurs Between The Airbag ECU Assembly And Driving Support ECU Assembly Continuously For 5 Seconds Or More.
  • CAN Communication System.
  • Driving Support ECU Assembly
  • Airbag ECU Assembly
Comes On Not Applicable
U124F 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