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DTC Description
 
 
DTC DETECTION LOGIC
DTC No. M.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
U1B46-15 Circuit malfunction (short/open) 1
(Controller area network communication error)
Diagnosis condition When electric motor switch is ON
Signal (terminal) –
Threshold BSW indicator circuit LH for short
Diagnosis delay time Within 1 second
 
 
POSSIBLE CAUSE
  • BSW indicator circuit LH
  • BSW indicator LH
  • Side radar LH
 
 
FAIL-SAFE
The following systems are canceled.
  • BSW
  • Active Blind Spot Assist [ABSA]
  • RCTA
 
 
CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
  1. Change the power supply mode of the electric motor switch to ON (READY indicator: ON).
  2. Perform “Read All DTCs” with M.U.T.-III SE.
  3. Check if the “U1B46-15” is detected as the current malfunction in "Diagnostic Trouble Code" of “Side radar (Rear left)”.
Is “U1B46-15” detected as the current malfunction?
Refer to DTC Diagnosis ProcedureDiagnosis Procedure.
-1 To check malfunction symptom before repair: Refer to Intermittent IncidentHOW TO COPE WITH INTERMITTENT MALFUNCTIONS.
-2 Confirmation after repair: INSPECTION END