Nissan Rogue (T33) 2021-Present Service Manual: U2140-57 Mac Comm Error (ecm)

DTC Description

DTC DETECTION LOGIC

DTC No. CONSULT screen terms DTC detection condition
U2140 57 CAN communication error (ECM) Diagnosis condition
Signal (terminal)
Threshold MAC communication error.
Diagnosis delay time

POSSIBLE CAUSE

  • Chassis control module used in vehicles is installed in the vehicle

  • Chassis control module

  • ECM

FAIL-SAFE

-

DTC CONFIRMATION PROCEDURE

CHECK DTC PRIORITY

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

Is DTC “U1327-52” or “U1327-54” detected?

YES>>
  • “U1327-52”: Refer to DTC Description.

  • “U1327-54”: Refer to DTC Description.

NO>>

GO TO 2.

CHECK MAC DIAGNOSIS

With CONSULT

  1. Ignition switch ON.

  2. Perform “MAC Diagnosis” mode of “CHASSIS CONTROL” using CONSULT.

Is DTC “U2140-57” 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 DTC PRIORITY

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

Is DTC “U1327-52” or “U1327-54” detected?

YES>>
  • “U1327-52”: Refer to DTC Description.

  • “U1327-54”: Refer to DTC Description.

NO>>

GO TO 2.

CHECK MAC DIAGNOSIS

With CONSULT

Perform “MAC Diagnosis” mode of “CHASSIS CONTROL” using CONSULT.

Is DTC "U2140-57" detected with "U2141-57", "U214F-57", "U2152-57", "U2165-57", "U2E52-57", "U2E65-57", and "U2E75-57" at the same time?

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

Replace the chassis control module. 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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