CRUISE CONTROL SYSTEM(for 1ND-TV with Driving support ECU), Diagnostic DTC:C1A01

DTC Code DTC Name
C1A01 Driving Support ECU

DESCRIPTION

This DTC indicates an internal malfunction of the driving support ECU assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1A01 Driving Support ECU When the ignition switch is ON and the system is operating, the driving support ECU assembly detects an internal malfunction for approximately 1 second. Driving support ECU assembly

PROCEDURE


  1. CHECK FOR DTCs


    1. Clear the DTCs.

      Click here


      Powertrain > Cruise Control > Clear DTCs

    2. Make sure that the DTC detection conditions are met.

      Tech Tips

      If the detection conditions are not met, the system cannot detect the malfunction.

    3. Check for DTCs.

      Click here


      Powertrain > Cruise Control > Trouble Codes

      Note

      When replacing the driving support ECU assembly, always replace it with a new one. If a driving support ECU assembly which was installed to another vehicle is used, the information stored in the driving support ECU assembly will not match the information from the vehicle. As a result, a DTC may be stored.

      Result
      Result Proceed to
      DTC C1A01 is not output A
      DTC C1A01 is output B

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    REPLACE DRIVING SUPPORT ECU ASSEMBLY Click here