CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM, Diagnostic DTC:U0124

DTC Code DTC Name
U0124 Lost Communication with Lateral Acceleration Sensor Module

DESCRIPTION

The ECM receives signals sent from the airbag sensor assembly (yaw rate and acceleration sensor) via CAN communication. When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding ECU or sensor.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

Memory

U0124

Lost Communication with Lateral Acceleration Sensor Module

  1. Diagnosis Condition

    • The ignition switch is ON.

  3. Malfunction Status

    • There is no communication between the ECM and airbag sensor assembly (yaw rate and acceleration sensor).

  5. Malfunction Time

    • 0.72 seconds

  7. Other

    • 1-trip detection logic

  • CAN communication system

  • Airbag sensor assembly (yaw rate and acceleration sensor)

  • ECM

Does not come on

DTC stored

PROCEDURE

  1. CLEAR DTC AND PERFORM ROAD TEST

    1. Clear the DTCs.

      Powertrain > Engine and ECT > Clear DTCs

      Tip:

      Write down the currently output DTCs before clearing them.

    2. Start the engine and drive the vehicle at a low speed.

    Result

    Proceed to

    NEXT
    NEXT

  2. CHECK DTC OUTPUT (DTC U0124)

    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.

      Powertrain > Engine and ECT > Trouble Codes

    5. Read the DTCs using the GTS.

    Result

    Result

    Proceed to

    DTC U0124 is not output

    A

    DTC U0124 is output

    B
    A

    CHECK FOR INTERMITTENT PROBLEMS

    Click here

    B

    GO TO CAN COMMUNICATION SYSTEM

    w/o Central Gateway ECU:Click hereClick hereClick here

    w/ Central Gateway ECU:Click hereClick here