Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: B2042-4a Electric Shift Authentication Fail

Nissan Rogue (T33) 2021-Present Service Manual / Body Exterior, Doors, Roof & Vehicle Security :: Security Control System / Dtc/circuit Diagnosis :: B2042-4a Electric Shift Authentication Fail

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen items

(Trouble diagnosis content) 		DTC detecting condition
B2042–4A

Electric shift authentication fail

(Electric shift authentication fail) 		Diagnosis condition When ignition switch is turned from OFF to ON
Signal (terminal) CAN communication signal
Threshold When Intelligent Key unit cannot detect CAN communication with electric shift control module
Diagnosis delay time 1 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

DTC CONFIRMATION

CONSULT

  1. Ignition switch ON.

  2. Select “Self diagnosis result” mode of “INTELLIGENT KEY”.

Is DTC detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

CHECK DTC PRIORITY OF INTELLIGENT KEY UNIT

CONSULT

  1. Select “Self diagnosis result” mode of “INTELLIGENT KEY”.

  2. If DTC B2042–4A is displayed with two or more DTCs are detected, refer to DTC inspection priority chart, and determine trouble diagnosis.

Is applicable DTC detected?

YES>>

Perform the trouble diagnosis related to the detected DTC. Refer to DTC Index.

NO>>

GO TO 2.

CHECK DTC PRIORITY OF ELECTRIC SHIFT CONTROL MODULE

CONSULT

Select “Self diagnosis result” mode of “SHIFT”.

Is the DTC detected?

YES>>

Perform the trouble diagnosis related to the detected DTC. Refer to DTC Index.

NO>>

Replace electric shift control module. Refer to Removal and Installation.

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