Nissan Sentra B18 (2020-2025) Service Manual: U2148-87 Can Comm Err (brake Control Unit)
Dtc Description
DTC Description
DTC DETECTION LOGIC
|
DTC No. |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
|
|---|---|---|---|
|
U2148-87 |
CAN comm err (brake control unit) [Controller area network communication error (brake control unit)] |
Diagnosis condition |
When ignition switch is ON. |
|
Signal (terminal) |
CAN communication signal |
||
|
Threshold |
When a Lost communication with ABS actuator and electric unit (control unit). |
||
|
Diagnosis delay time |
2 seconds or more |
||
POSSIBLE CAUSE
-
CAN communication line
-
ABS actuator and electric unit (control unit)
-
EPS control unit
FAIL-SAFE
Normal control
Confirmation Procedure
Confirmation Procedure
-
PRECONDITIONING
-
If “Confirmation Procedure” has been previously conducted, always place the ignition switch OFF and wait at least 10 seconds before conducting the next test.
GO TO 2.
-
-
DTC REPRODUCTION PROCEDURE
-
CONSULT-
Ignition switch ON.
-
Select “Self Diagnostic Result” mode of “EPS/DAST 3”.
-
Is DTC “U2148-87” detected?
YES >>Proceed to diagnosis procedure. Refer to DTC Diagnosis Procedure.
NO >>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO >>Confirmation after repair: Inspection End.
-
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