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:
P05ec Cold Start Control
DTC Description
ECM controls fuel injection timing and fuel injection quantity when engine is started with the engine cold.This control promotes the activation of three way catalyst by heating the catalyst and reduces emissions.DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis co ...
U2140-87 Can Comm Err (ecm)
DTC Description
DESCRIPTIONCAN (Controller Area Network) is a serial
communication line for real time applications. It is an on-Nissan Ariya
vehicle multiplex communication line with high data communication speed
and excellent error detection ability. Modern Nissan Ariya vehicle is
equipped ...
Front and rear sonar system
Basic information
The sonar system uses sensors in the front and rear bumpers to warn the driver of nearby obstacles by emitting audible tones. When active, the sonar view appears automatically in the vehicle information display.
WARNING
The sonar system is a convenience feature and not a re ...
