Nissan Rogue (T33) 2021-Present Service Manual: U2241 Can Comm Circuit
DTC Description
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | ||
| U2241 | 83 |
CAN comm err (TCM) [CAN comm err (TCM)] |
Diagnosis condition | Ignition switch ON |
| Signal (terminal) | CAN communication signal | |||
| 87 | Threshold | ECM is not receiving CAN communication signal other than OBD (emission related diagnosis). | ||
| Diagnosis delay time | 2 seconds or more | |||
POSSIBLE CAUSE
-
Harness or connectors (CAN communication line is open or shorted)
-
TCM
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
CHECK DTC PRIORITY
If DTC U2241 is displayed with DTC P0607, first perform the confirmation procedure (trouble diagnosis) for DTC P0607.
Is DTC P0607 detected?
YES>>Proceed to DTC Description.
NO>>GO TO 2.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
-
Turn ignition switch OFF and wait at least 10 seconds.
-
Turn ignition switch ON.
-
Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 11 V at idle.
>>
GO TO 3.
PERFORM DTC CONFIRMATION PROCEDURE
-
Turn ignition switch ON and wait at least 3 seconds.
-
Check 1st trip DTC.
Is DTC U2241 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 U2241 is displayed with DTC P0607, first perform the confirmation procedure (trouble diagnosis) for DTC P0607.
Is DTC P0607 detected?
YES>>Proceed to DTC Description.
NO>>Perform the trouble diagnosis for CAN communication system. Refer to Trouble Diagnosis Flow Chart.
Other materials:
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)
Squeak and Rattle Kit
Repairs the c ...
Egr Temperature Sensor
Component Inspection
CHECK EGR TEMPERATURE SENSOR
Turn ignition switch OFF.
Disconnect EGR temperature sensor harness connector.
Remove EGR temperature sensor.
Check resistance between EGR temperature sensor terminals.
EGR temperature sensor Condition Resistance
+ − ...
Main Line Between Pwbd and M&a Circuit
Diagnosis Procedure
CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and loose connection (connector side and harness side).
Harness connector B41
Harness con ...
