Nissan Rogue (T33) 2021-Present Service Manual: U2248 Can Comm Circuit
DTC Description
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | ||
| U2248 | 83 |
CAN comm err (brake control unit) [CAN comm err (brake control unit)] |
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)
-
ABS actuator and electric unit
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
CHECK DTC PRIORITY
If DTC U2248 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 U2248 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 U2248 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:
Removal and Installation. Front Door
Exploded View
Front door panel
Grommet
Front door striker
TORX bolt
Clip
Front outer pad
Front door check link
Front door hinge (lower)
Front door hinge (upper)
Front door weather-strip
: Clip
: Alwa ...
Dtc/circuit Diagnosis. B2422-78 Back Door Position Abnormal
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen items
(Trouble diagnosis content) DTC Detection Condition
B2422-78
Back door position abnormal
(Back door position abnormal)
Diagnosis condition
All times
Signal (terminal)
Encoder LH signal
Threshold
When ...
Tcm
Exploded View
1.
Transaxle assembly
2.
TCM
3.
gasket
: N·m (kg-m, in-lb) : Vehicle front
Removal and Installation
Never Reuse These Parts Part Code For additional information:
Gasket-TCM
–
TCM-Exploded View
CAUTION:
Never impact the TCM when removing o ...
