Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: U1327-54 Mac Key Update

Nissan Rogue (T33) 2021-Present Service Manual / Electrical & Power Control :: Body Control System / Dtc/circuit Diagnosis :: U1327-54 Mac Key Update

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen items

(Trouble diagnosis content) 		DTC Detection Condition
U1327-54

MAC key update

(Message authentication code key update) 		Diagnosis condition -
Signal (terminal) -
Threshold MAC key is not written after BCM replacement.
Diagnosis delay time -

POSSIBLE CAUSE

  • Writing of MAC key has not been executed

  • BCM

FAIL-SAFE

-

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Select “Self diagnosis result” mode of “BCM”.

Is DTC U1327-54 detected as the current malfunction?

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

PERFORM MAC KEY WRITING

CONSULT

  1. Select “MAC KEY writing” in "Work supports" mode of "BCM". Refer to Description.

  2. Select “Self diagnosis result” mode of “BCM”.

Is DTC U1327-54 detected as the current malfunction?

YES>>

GO TO 2.

NO>>

Inspection End.

PERFORM MAC KEY WRITING AGAIN (SECOND TIME)

CONSULT

  1. Restart CONSULT.

  2. Select “MAC KEY writing” in "Work supports" mode of "BCM" again. Refer to Description.

  3. Select “Self diagnosis result” mode of “BCM”.

Is DTC U1327-54 detected as the current malfunction?

YES>>

GO TO 3.

NO>>

Inspection End.

PERFORM MAC KEY WRITING AGAIN (THIRD TIME)

CONSULT

  1. Restart CONSULT.

  2. Select “MAC KEY writing” in "Work supports" mode of "BCM" again. Refer to Description.

  3. Select “Self diagnosis result” mode of “BCM”.

Is DTC U1327-54 detected as the current malfunction?

YES>>

Replace BCM. Refer to Removal and Installation.

NO>>

Inspection End.

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