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
Other materials:
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Moonroof Motor Assembly
Diagnosis Procedure
CHECK LIN COMMUNICATION SIGNAL
Ignition switch OFF.
Disconnect moonroof motor assembly harness connector.
Ignition switch ON.
Check signal between moonroof motor assembly harness connector and ground using an oscilloscope.
(+) (— ...
Preparation
Special Service Tools
The actual shapes of TechMate tools may differ from those of special service tools illustrated here.
Tool number
(TechMate No.)
Tool name Description
(NI-39570)
Chassis ear
Locates the noise
(NI-50397)
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Description
Unbalance steering wheel turning force and return between right and left.
Diagnosis Procedure
PERFORM SELF-DIAGNOSIS
CONSULT
Pull the parking brake switch.
NOTE:
Check to make sure that the parking brake switch indicator is turned ON.
Ignition switch OFF.
Get out ...
