LKA/LDA SYSTEM, Diagnostic DTC:C1A74

DTC Code DTC Name
C1A74 Steering Vibrator System Malfunction

DESCRIPTION

If the forward recognition camera receives a steering vibration ECU malfunction signal, DTC C1A74 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1A74 Steering Vibrator System Malfunction

When all of the following conditions are met:


  • The vehicle speed is 5 km/h (4 mph) or more.

  • The lane departure alert system is on.

  • A malfunction signal from the steering vibration ECU (steering wheel assembly) is detected by the forward recognition camera for 5 seconds or more.

 Steering vibration ECU (Steering wheel assembly)

PROCEDURE


  1. REPLACE STEERING VIBRATION ECU (STEERING WHEEL ASSEMBLY)


    1. Replace the steering vibration ECU (steering wheel assembly).

      Click here

      Result
      Proceed to
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