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

Nissan Rogue (T33) 2021-Present Service Manual / Electrical & Power Control :: Body Control System / 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.

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