AIRBAG SYSTEM, Diagnostic DTC:U0154, U1104, U124F

DTC Code DTC Name
U0154 Lost Communication with Restraints Occupant Classification System Module
U1104 Lost Communication with Driving Support ECU
U124F Lost Communication with Pedestrian Protection ECU

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

PROCEDURE


  1. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > SRS Airbag > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  2. CHECK DTC


    1. Turn the engine switch on (IG), and wait for at least 60 seconds.

    2. Check for DTCs.

      Click here


      Body Electrical > SRS Airbag > Trouble Codes
      Result
      Proceed to
      DTC U0154, U1104 and U124F are not output
      DTC U0154, U1104 or U124F is output

    DTC U0154, U1104 and U124F are not output

    USE SIMULATION METHOD TO CHECK Click here

    DTC U0154, U1104 or U124F is output

    GO TO CAN COMMUNICATION SYSTEM Click here