ACTIVE HEIGHT CONTROL SUSPENSION, Diagnostic DTC:C1781

DTC Code DTC Name
C1781 Suspension Control ECU Malfunction

DESCRIPTION

DTC Code Detection Condition Trouble Area
C1781 A suspension control ECU malfunction is detected. Suspension control ECU

INSPECTION PROCEDURE

Note


  • If DTC C1782 is stored at the same time, perform the inspection for DTC C1782 first.

  • If the suspension control ECU or height control sensor is replaced, the vehicle height offset calibration must be performed Click here.

PROCEDURE


  1. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT

  2. CHECK FOR DTC


    1. Check for DTCs Click here.

      OK
      C1781 is not output.

    NG

    REPLACE SUSPENSION CONTROL ECU Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here