AIR SUSPENSION SYSTEM, Diagnostic DTC:C1783

DTC Code DTC Name
C1783 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 Code DTC Detection Condition Trouble Area
C1783 A speed sensor malfunction signal from the skid control ECU is detected for 1 second.

  • Brake control system

  • Suspension control ECU

PROCEDURE


  1. CHECK FOR DTC (AIR SUSPENSION SYSTEM)


    1. Clear the DTCs Click here.

    2. Perform a road test.

    3. Check if DTC U0122 is output Click here.

      Result
      Result Proceed to
      DTC is not output or only DTC 1783 is output A
      DTCs 1783 and U0122 are output B

    B

    GO TO DTC U0122 Click here

    A

  2. CHECK FOR DTC (VEHICLE STABILITY CONTROL SYSTEM)


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

      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