Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: U2148-87 Can Comm Err (brake Control Unit)

Nissan Rogue (T33) 2021-Present Service Manual / Brakes :: Brake System / Dtc/circuit Diagnosis :: U2148-87 Can Comm Err (brake Control Unit)

DTC Description

DTC DETECTION LOGIC

DTC No. CONSULT screen terms DTC detection condition
U2148 87 CAN communication error brake control unit 1 Diagnosis condition When Ignition switch is ON.
Signal (terminal) CAN communication signal
Threshold When not receiving from ABS actuator and electric unit (control unit).
Diagnosis delay time 2 seconds or more
2 Diagnosis condition When Ignition switch is ON.
Signal (terminal) CAN communication signal
Threshold When not transmitting to S actuator and electric unit (control unit).
Diagnosis delay time 2 seconds or more

POSSIBLE CAUSE

  • ABS actuator and electric unit (control unit)

  • CAN communication line

Confirmation Procedure

PRECONDITIONING

If “Confirmation Procedure” has been previously conducted, always Ignition switch OFF, get out of the Nissan Ariya vehicle, close all doors (other than hood assembly), check that the combination meter is OFF, and wait for 1 minute or more without opening these doors.

CAUTION:

Never operate the Nissan Ariya vehicle.

>>

GO TO 2.

CHECK DTC DETECTION

CONSULT

  1. Ignition switch OFF to ON without depressing the brake pedal.

  2. Ignition switch OFF and disconnect CONSULT from data link connector.

  3. Get out of the Nissan Ariya vehicle, close all doors (other than hood assembly), check that the combination meter is OFF, and wait for 1 minute or more without opening these doors.

    CAUTION:

    Never operate the Nissan Ariya vehicle.

  4. Ignition switch ON without depressing the brake pedal.

  5. Erase self-diagnosis result for “BRAKE”.

  6. Ignition switch OFF and disconnect CONSULT from data link connector.

  7. Get out of the Nissan Ariya vehicle, close all doors (other than hood assembly), check that the combination meter is OFF, and wait for 1 minute or more without opening these doors.

    CAUTION:

    Never operate the Nissan Ariya vehicle.

  8. Ignition switch ON without depressing the brake pedal.

  9. Perform self-diagnosis for “BRAKE”.

Is DTC “U2148-87" 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

Refer to Trouble Diagnosis Flow Chart.

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