Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: U2140-57 Can Comm Err (ecm)

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen items

(Trouble diagnosis content)
DTC Detection Condition
U2140-57

CAN comm err (ECM)

[Control area network communication error (engine control module)]
Diagnosis condition -
Signal (terminal) -
Threshold MAC communication error
Diagnosis delay time -

POSSIBLE CAUSE

  • MAC communication error

  • BCM used in other vehicle is installed in the vehicle

  • BCM

  • ECM

FAIL-SAFE

-

DTC CONFIRMATION PROCEDURE

CHECK DTC PRIORITY

If DTC U2140-57 is displayed with DTC U1327-52 or DTC U1327-54, first perform the trouble diagnosis for DTC U1327-52 or U1327-54.

Is DTC U1327-52 or U1327-54 detected?

YES>>

Refer to DTC Description (U1327-52) or DTC Description (U1327-54).

NO>>

GO TO 2.

CHECK SELF DIAGNOSIS RESULT

CONSULT

  1. Ignition switch ON.

  2. Select “Self diagnosis result” mode of “BCM”.

Is DTC U2140-57 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

CHECK DTC PRIORITY

If DTC U2140-57 is displayed with DTC U1327-52 or DTC U1327-54, first perform the trouble diagnosis for DTC U1327-52 or U1327-54.

Is DTC U1327-52 or U1327-54 detected?

YES>>

Refer to DTC Description (U1327-52) or DTC Description (U1327-54).

NO>>

GO TO 2.

CHECK SELF DIAGNOSIS RESULT

CONSULT

Select “Self diagnosis result” mode of “BCM”.

Is DTC U2140-57 detected with DTC U2152–57 (with ProPILOT Assist 2.1), DTC U2175–57 (with Intelligent Around View® Monitor) and DTC U2176–57 at the same time?

YES (all DTC codes are detected at the same time)>>

Replace BCM. Refer to Removal and Installation.

NO (all DTC codes are not detected at the same time)>>

GO TO 3.

CHECK CAN COMMUNICATION SYSTEM

Check CAN communication system. Refer to Trouble Diagnosis Flow Chart.

>>

Inspection End.

    Dtc/circuit Diagnosis. U20c5-87 Can Comm Err (audio Amp.)
    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...
    Dtc/circuit Diagnosis. U2140-87 Can Comm Err (ecm)
    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:

    P0087 Frp Control System
    DTC Description DTC DETECTION LOGICNOTE: DTC P0087 may be displayed when running out of gas. DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition P0087 00 LOW FUEL PRES (Fuel rail/system pressure - too low) Diagnosis condition Engine running at ...

    U2a8c-88 Ethernet Circuit
    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms DTC detected condition U2A8C-88 Ethernet circuit Diagnosis condition When ignition switch is ON. Signal (terminal) — Threshold Lost ethernet communication with AV control unit Diagnosis delay time ...

    P0407 Egr Differential Pressure Sensor
    DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition P0407 00 EGR SENSOR B (EGR sensor B circuit low) Diagnosis condition Ignition switch ON Signal EGR differential pressure sensor signal Threshold ...