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DTC Description
 
 
DTC DETECTION LOGIC
DTC No.Scan tool (M.U.T.-III SE) screen items
(Trouble diagnosis content)
DTC detecting condition
B2042-4AElectric shift authentication fail
(Electric shift authentication fail)
Diagnosis conditionWhen electric motor switch is turned from OFF to ON
Signal (terminal)CAN communication signal
ThresholdWhen keyless operation key unit cannot detect CAN communication with electric shift control module
Diagnosis delay time1 second or less
 
 
POSSIBLE CAUSE
  • Harness or connectors
    (The CAN communication line is open or shorted)
  • Electric shift control module
 
 
FAIL-SAFE
Prohibit shifting the shift selector from P position
 
 
CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
  1. Turn the power supply mode of the electric motor switch to ON.
  2. Check DTC in “Diagnostic Trouble Code” mode of “HANDS FREE MODULE” using scan tool (M.U.T.-III SE).
Is DTC detected?
Refer to DTC Diagnosis Procedure.
-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END