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DTC Description

DTC DETECTION LOGIC 

DTC CONSULT screen terms DTC detection condition
(Trouble diagnosis content) [Malfunction type]
C1A00 44 CONTROL UNIT (Control unit) [DATA MEMORY ERROR] 1 Diagnosis condition When engine is running
Signal (terminal) -
Threshold ADAS control unit internal malfunction
Diagnosis delay time 1 second or less
45 [PROGRAM MEMORY ERROR] 2 Diagnosis condition When engine is running
Signal (terminal) -
Threshold ADAS control unit internal malfunction
Diagnosis delay time 1 second or less
46 [CALIB/PRMTER MEMORY ERROR] 3 Diagnosis condition When engine is running
Signal (terminal) -
Threshold ADAS control unit internal malfunction
Diagnosis delay time 1 second or less
48 [SUPERVISION SOFTWARE ERROR] 4 Diagnosis condition When engine is running
Signal (terminal) -
Threshold ADAS control unit internal malfunction
Diagnosis delay time 1 second or less
49 [INTERNAL ELECTRONIC ERROR] 5 Diagnosis condition When engine is running
Signal (terminal) -
Threshold ADAS control unit internal malfunction
Diagnosis delay time 1 second or less

POSSIBLE CAUSE 

ADAS control unit

FAIL-SAFE 

The following systems are canceled.

DTC CONFIRMATION PROCEDURE 

  1. PERFORM DTC CONFIRMATION PROCEDURE 
    1. Start the engine.
    2. Perform "All DTC Reading" with CONSULT.
    3. Check if the "C1A00-44", "C1A00-45", "C1A00-46", "C1A00-48" or "C1A00-49" is detected as the current malfunction in "Self Diagnostic Result" of "ICC/ADAS".

    Is "C1A00-44", "C1A00-45", "C1A00-46", "C1A00-48" or "C1A00-49" detected as the current malfunction?

    >>

    Refer to Diagnosis Procedure .

    >>

    To check malfunction symptom before repair: Refer to Intermittent Incident .

    >>

    Confirmation after repair: Inspection End.