Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: U2140-57 Can Comm Err (ecm)
DTC Description
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen items (Trouble diagnosis content) | DTC Detection Condition | |
|---|---|---|---|
| U2140-57 |
CAN comm err (ECM) [Control area network communication error (engine control module)] |
Diagnosis condition | - |
| Signal (terminal) | - | ||
| Threshold | MAC communication error | ||
| Diagnosis delay time | - | ||
POSSIBLE CAUSE
-
MAC communication error
-
BCM used in other vehicle is installed in the vehicle
-
BCM
-
ECM
FAIL-SAFE
-
DTC CONFIRMATION PROCEDURE
CHECK DTC PRIORITY
If DTC U2140-57 is displayed with DTC U1327-52 or DTC U1327-54, first perform the trouble diagnosis for DTC U1327-52 or U1327-54.
Is DTC U1327-52 or U1327-54 detected?
YES>>Refer to DTC Description (U1327-52) or DTC Description (U1327-54).
NO>>GO TO 2.
CHECK SELF DIAGNOSIS RESULT
CONSULT
-
Ignition switch ON.
-
Select “Self diagnosis result” mode of “BCM”.
Is DTC U2140-57 detected?
YES>>Refer to DTC Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: Inspection End.
DTC Diagnosis Procedure
CHECK DTC PRIORITY
If DTC U2140-57 is displayed with DTC U1327-52 or DTC U1327-54, first perform the trouble diagnosis for DTC U1327-52 or U1327-54.
Is DTC U1327-52 or U1327-54 detected?
YES>>Refer to DTC Description (U1327-52) or DTC Description (U1327-54).
NO>>GO TO 2.
CHECK SELF DIAGNOSIS RESULT
CONSULT
Select “Self diagnosis result” mode of “BCM”.
Is DTC U2140-57 detected with DTC U2152–57 (with ProPILOT Assist 2.1), DTC U2175–57 (with Intelligent Around View® Monitor) and DTC U2176–57 at the same time?
YES (all DTC codes are detected at the same time)>>Replace BCM. 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:
Dtc/circuit Diagnosis. U1c01-08 Lin Communication
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen items
(Trouble diagnosis content) DTC Detection Condition
U1C01-08
LIN communication
(Local interconnect network communication)
Diagnosis condition
Ignition switch is ON or OFF (auto ACC status).
Signal (terminal)
...
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