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Nissan Sentra B18 (2020-2025) Service Manual: P27ef-00 Transmission Range Control B Position Sensor/switch

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P27EF

00

T/M RANGE CTRL B POSI SEN/SW

(Transmission Range Control "B" Position Sensor/Switch Circuit/Open)

1

Diagnosis condition

Power supply voltage ≥ 10 V

Signal

Transmission range switch 3 signal

Threshold

Transmission range switch 3 status is open circuit

Diagnosis delay time

0.3 seconds

2

Diagnosis condition

Power supply voltage ≥ 10 V

Signal

Transmission range switch 3 signal

Threshold

Transmission range switch 3 status is intermediate voltage

Diagnosis delay time

0.3 seconds

POSSIBLE CAUSE

  • Harness or connector

  • Transmission range switch

  • TCM

FAIL-SAFE

  • Shift position indicator on combination meter is not displayed

  • 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. Shift the selector lever to "R" position and wait for 5 seconds or more.

    3. Shift the selector lever to "N" position and wait for 5 seconds or more.

    4. Shift the selector lever to "D" position and wait for 5 seconds or more.

    5. Shift the selector lever to "L" position and wait for 5 seconds or more.

    6. Shift the selector lever to "P" position and wait for 5 seconds or more.

    7. Check the DTC

    Is "P27EF-00" detected?

    YES >>

    Proceed to Diagnosis Procedure.

    NO-1>>

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

    NO-2>>

    Confirmation after repair: INSPECTION END

Diagnosis Procedure

Diagnosis Procedure

  1. CHECK TRANSMISSION RANGE SWITCH 3 CIRCUIT

    Check transmission range switch 3 circuit. Refer to Diagnosis Procedure.

    >>

    GO TO 2.

  2. CHECK DTC DETECTION

    Perform DTC confirmation procedure. Refer to DTC Description.

    Is "P27EF-00" detected again?

    YES >>

    Replace TCM. Refer to Removal and Installation.

    NO >>

    INSPECTION END

    P27ec-00 Transmission Range Control a Position Sensor/switch
    Dtc Description DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition P27EC 00 T/M RANGE CTRL A POSI SEN/SW (Transmiss...
    P27f0-00 Transmission Range Control B Position Sensor/switch
    Dtc Description DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition P27F0 00 T/M RANGE CTRL B POSI SEN/SW (Transmiss...

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