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Nissan Sentra B18 (2020-2025) Service Manual: P0604-00 Control Module Ram

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P0604

00

CONTROL MODULE RAM

[Internal Control Module Read Access Memory (RAM) Error]

Diagnosis condition

When the ignition switch is ON

Signal

—

Threshold

TCM RAM area sum parity check detects malfunction in RAM.

Diagnosis delay time

—

POSSIBLE CAUSE

TCM (RAM)

FAIL-SAFE

  • Selector shock is large

  • Start is slow

  • Acceleration is slow

  • Lock-up is not performed

  • Stop/start system prohibited

DTC CONFIRMATION PROCEDURE

  1. PREPARATION BEFORE WORK

    If another "DTC CONFIRMATION PROCEDURE" occurs just before, ignition switch OFF and wait for at least 10 seconds, then perform the next test.

    TESTING CONDITION:

    Before performing the following procedure, confirm that battery voltage is more than 10 V.

    >>

    GO TO 2.

  2. CHECK DTC DETECTION

    1. Ignition switch ON.

    2. Check the DTC.

    Is "P0604-00" detected?

    YES >>

    Proceed 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

DTC Diagnosis Procedure

  1. REPLACE TCM

    Replace TCM. Refer to Removal and Installation.

    >>

    WORK END

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