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.
GO TO 2.
CHECK MAC DIAGNOSIS
With CONSULT
-
Ignition switch ON.
-
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.
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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