ACTIVE TORQUE CONTROL 4WD SYSTEM, Diagnostic DTC:C1299/99

DTC Code DTC Name
C1299/99 Cancellation of 4WD Control

DESCRIPTION


DTC No. DTC Detection Condition Trouble Area
C1299/99

  • When one of the following conditions is met:

    - Condition that controls coupling calorific value is predefined value or more.

    - Vehicle is driven and energy load tire radius difference between front tires and rear tires is more than 3%.

  • Tire size

  • AWD control ECU

INSPECTION PROCEDURE

Tech Tips

Check the condition of each related circuit connector before troubleshooting Click here.

PROCEDURE


  1. CHECK TIRE CONDITION


    1. Check the size and condition of all 4 tires Click here.

      Tech Tips

      This DTC is output when tire deformation or a difference in tire size is detected.

      OK
      The diameter and air pressure of all 4 tires are the same.

    NG

    REPLACE TIRE SO THAT ALL 4 TIRES ARE THE SAME IN SIZE

    OK

  2. RECONFIRM DTC


    1. Clear the DTC Click here.

    2. Start the engine.

    3. Drive the vehicle at the speed of 20 km/h (12 mph) or more and check that the same DTC is output Click here.

      Result
      Result Proceed to
      DTC is output A
      DTC is not output B

    B

    CHECK INTERMITTENT PROBLEMS Click here

    A

    REPLACE AWD CONTROL ECU Click here