Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: U2140-87 Can Comm Err (ecm)

Nissan Rogue (T33) 2021-Present Service Manual / Body Exterior, Doors, Roof & Vehicle Security :: Door & Lock / Dtc/circuit Diagnosis :: U2140-87 Can Comm Err (ecm)

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, CAN Low-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 items

(Trouble diagnosis content) 		DTC Detection Condition
U2140-87

CAN comm err (ECM)

[CAN communication error (ECM)] 		Diagnosis condition Ignition switch ON
Signal (terminal) CAN communication signal
Threshold Transmission error or reception error
Diagnosis delay time 2 seconds or more

POSSIBLE CAUSE

CAN communication system

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

DTC CONFIRMATION

CONSULT

  1. Ignition switch ON and wait for 2 seconds or more.

  2. Select “Self diagnosis result” mode of “INTELLIGENT KEY”.

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

Check CAN communication. Refer to Trouble Diagnosis Flow Chart.

Is DTC “U2140-87” displayed?

YES>>

Repair or replace the malfunctioning part.

NO>>

Check intermittent incident. Refer to Intermittent Incident.

    Dtc/circuit Diagnosis. U0075-00 Communication Bus C Off
    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC Detection Condition U0075-00 Control module comm Bus C Off (Control module commu...
    Dtc/circuit Diagnosis. U2141-87 Can Comm Circuit
    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:

    Automatic Brake Hold. Basic Inspection. Diagnosis and Repair Work Flow
    Diagnosis and Repair Work Flow Work Flow DETAILED FLOWINTERVIEW FROM THE CUSTOMER Clarify customer complaints before inspection. First of all, perform an interview utilizing Diagnostic Work Sheet and reproduce the symptom as well as fully understand it. Ask customer about his/her complaints ...

    Dtc/circuit Diagnosis. U2253-87 Can Comm Err (hvac)
    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 with high data communication speed and excellent error detection ability. Modern Nissan Ariya vehicle is equipped ...

    Power Supply and Ground Circuit
    Ecm Diagnosis Procedure CHECK THE BATTERY CABLE Turn ignition switch OFF. Check the battery cable for tightening enough. NOTE: Check the continuity between the battery cable and the battery terminal. Is the inspection result normal? YES>> GO TO 2 ...