AIR SUSPENSION SYSTEM, Diagnostic DTC:C1783/83

DTC Code DTC Name
C1783/83 Front Wheels Speed Sensor Signal Malfunction

DESCRIPTION

The suspension control ECU receives wheel speed sensor signals through CAN communication system from the skid control ECU.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Warning Indicate

C1783/83

Front Wheels Speed Sensor Signal Malfunction

A speed sensor malfunction signal from the skid control ECU is detected for 1 second.

  • Brake control system

  • Suspension control ECU

Indicated

PROCEDURE

  1. CHECK FOR DTC

    1. Clear the DTC.

      Click here

      Chassis > Air suspension > Clear DTCs

    2. Perform a road test.

    3. Check if DTC U0122/71 is output.

      Click here

      Chassis > Air suspension > Trouble Codes

      Result

      Result

      Proceed to

      DTC is not output or only DTC 1783/83 is output

      A

      DTCs 1783/83 and U0122/71 are output

      B
    B

    GO TO DTC U0122/71

    Click here

    A

  2. CHECK FOR DTC (VEHICLE STABILITY CONTROL SYSTEM)

    1. Check if DTC C1783/83 and a brake control system speed sensor malfunction DTC are output.

      Click here

      Chassis > ABS/VSC/TRC > Trouble Codes

      Result

      Result

      Proceed to

      DTCs are not output

      A

      DTCs are output

      B
    A

    REPLACE SUSPENSION CONTROL ECU

    Click here

    B

    GO TO VEHICLE STABILITY CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART)

    Click here