Nissan Rogue (T33) 2021-Present Service Manual: U2148-83 Can Comm Err (brake Control Unit)

Nissan Rogue (T33) 2021-Present Service Manual / Electrical & Power Control :: Charging System / With Idle Start/stop :: Dtc/circuit Diagnosis / U2148-83 Can Comm Err (brake Control Unit)

DTC Description

DESCRIPTION

CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-Nissan Ariya vehicle multiplex communication line with high data communication speed and excellent error detection ability. Modern Nissan Ariya vehicle is equipped with many electronic control unit, and each control unit shares information and links with other control units during operation (not independent). In CAN communication, control units are connected with 2 communication lines (CAN-High line, CANLow line) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads required data only. CAN Communication Signal Chart. Refer to CAN Communication Signal Chart.

DTC DETECTION LOGIC

DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition
U2148-83 CAN comm err (brake control unit) [CAN communication error (brake control unit)] Diagnosis condition Engine running at idle
Signal (terminal) CAN communication signal
Threshold Sub starter & generator cannot communicate CAN communication signal
Diagnosis delay time 2 second or less

POSSIBLE CAUSE

CAN communication system

FAIL-SAFE

Inhibit the idle start/stop system

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Start the engine and let it idle and wait for 2 seconds or more.

  2. Select “Self diagnosis result” mode of “Sub starter & generator”.

Is DTC detected?

YES>>

Refer to Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: Inspection End.

Diagnosis Procedure

CHECK CAN COMMUNICATION SYSTEM

Check CAN communication. Refer to Trouble Diagnosis Flow Chart.

>>

Inspection End.

    U2148-82 Can Comm Err (brake Control Unit)
    DTC Description DESCRIPTIONCAN (Controller Area Network) is a serial communication line for real time applications. It is an on-Nissan Ariya vehicle multiplex communication line...
    U2148-87 Can Comm Err (brake Control Unit)
    DTC Description DESCRIPTIONCAN (Controller Area Network) is a serial communication line for real time applications. It is an on-Nissan Ariya vehicle multiplex communication line...

    Other materials:

    B2231-16 Battery Voltage
    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detected condition B2231-16 Battery voltage (Battery voltage) Diagnosis condition When ignition switch is ON. Signal (terminal) Battery power supply Threshold 8 V or le ...

    Front Wheel Hub and Knuckle
    Exploded View Steering knuckle Splash guard Hub bolt Wheel hub and bearing assembly Disc rotor Wheel hub lock nut : Comply with the installation procedure when tightening. Refer to Removal and Installation. : N·m (kg-m, ft-lb) : Always replace aft ...

    Power Socket. Removal and Installation. Power Socket
    Power Socket Console Power Socket Removal and Installation REMOVALRemove switch panel. Refer to Removal and Installation. Press the power socket fixing pawls from the back of the switch panel to remove the power socket. : Pawl INSTALLATIONNote the following, and install in the reve ...