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DTC Description
 
 
DTC DETECTION LOGIC
DTC M.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
C1F4483BCM
(Body control module)
Diagnosis condition When FCM system is ON
Signal (terminal) —
Threshold If BCM is malfunctioning
Diagnosis delay time 1 second or less
 
 
POSSIBLE CAUSE
  • BCM
  • ADAS control unit 2
 
 
FAIL-SAFE
The following systems are canceled.
  • Vehicle-to-vehicle distance control mode
  • Conventional (fixed speed) cruise control mode
  • Steering wheel assistance function
  • FCM
  • Rear AEB
  • DAA
 
 
CONFIRMATION PROCEDURE
1.CHECK DTC PRIORITY
If DTC “C1F44-83” is displayed with Network-DTC, first diagnose the Network-DTC.
Is applicable DTC detected?
Perform diagnosis of applicable. Refer to DTC IndexDTC Index.
.
 
2.PERFORM DTC CONFIRMATION PROCEDURE
  1. Change the power supply mode of the electric motor switch to ON (READY indicator: ON).
  2. Turn the FCM system ON.
  3. Perform “Read All DTCs” with M.U.T.-III SE.
  4. Check if the “C1F44-83” is detected as the current malfunction in "Diagnostic Trouble Code" of “ICC/ADAS 2”.
Is “C1F44-83” detected as the current malfunction?
Refer to DTC Diagnosis ProcedureDiagnosis Procedure.
-1 To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2 Confirmation after repair: INSPECTION END