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Nissan Sentra B18 (2020-2025) Service Manual: B2e4f Bcm Pairing

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

B2E4F-08

BCM pairing

(BCM pairing)

Diagnosis condition

When ignition switch is ON

Signal (terminal)

BCM CAN signal

Threshold

—

Diagnosis delay time

—

POSSIBLE CAUSE

  • After TCU replacement, Intelligent Key registration has not been performed

  • TCU-BCM pairing during Intelligent Key registration has not been performed

FAIL-SAFE

Remote engine start functions cannot be used

Confirmation Procedure

Confirmation Procedure

  1. PERFORM DTC CONFIRMATION PROCEDURE

    1. CONSULT

      1. Ignition switch ON.

      2. Ignition switch OFF and wait at least 30 seconds.

      3. Ignition switch ON and wait at least 30 seconds or more.

      4. Select “Self Diagnostic Result” mode of “IVC”.

      5. Check DTC.

    Is DTC B2E4F–08 detected?

    YES>>

    Proceed to DTC Diagnosis Procedure.

    NO>>

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

    NO>>

    Confirmation after repair: Inspection End.

Dtc Diagnosis Procedure

DTC Diagnosis Procedure

  1. RE-REGISTER INTELLIGENT KEYS

    1. Re-register all Intelligent Keys. For initialization and registration of Intelligent Keys, refer to CONSULT Immobilizer mode and follow the on-screen instructions.

    YES >>

    GO TO 2.

  2. PERFORM SELF DIAGNOSTIC RESULT

    1. CONSULT

      1. Erase “Self Diagnostic Result” mode of “IVC”.

      2. Ignition switch OFF –> ON.

      3. Select “Self Diagnostic Result” mode of “IVC”.

      4. Check DTC.

    Is DTC B2E4F–08 detected?

    YES>>

    Replace TCU. Refer to Removal and Installation.

    NO>>

    Inspection End.

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