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

Nissan Rogue (T33) 2021-Present Service Manual / Cruise Control & Driver Assistance :: Driver Assistance System / Chassis Control :: Dtc/circuit Diagnosis / 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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