Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: U0073-00 Control Module Comm Bus a Off
DTC Description
DESCRIPTION
CAN (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 with many electronic control unit, and each control unit shares information and links with other control units during operation (not independent). In CAN communication, control units are connected with 2 communication lines (CAN-High line, CAN-Low line) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads required data only. CAN Communication Signal Chart. Refer to CAN Communication Signal Chart.
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen items (Trouble diagnosis content) | DTC Detection Condition | |
|---|---|---|---|
| U0073-00 |
Control module comm Bus A Off (Control module communication bus A Off) |
Diagnosis condition | Ignition switch is ON. |
| Signal (terminal) | CAN communication signal | ||
| Threshold | BCM cannot communicate CAN communication signal. | ||
| Diagnosis delay time | 2 seconds or more. | ||
POSSIBLE CAUSE
CAN communication system
FAIL-SAFE
—
DTC CONFIRMATION PROCEDURE
CHECK SELF-DIAG RESULT
CONSULT
-
Ignition switch ON and wait for 2 seconds or more.
-
Select “Self diagnosis result” mode of “BCM”.
Is DTC 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 CAN COMMUNICATION SYSTEM
Check CAN communication system. Refer to Trouble Diagnosis Flow Chart.
>>
Inspection End.
Other materials:
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DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P00D2
00
Heated O2 sensor heater B1 sensor 2
(HO2S heater control circuit range/performance bank 1 sensor 2)
Diagnosis condition
—
Signal (terminal)
...
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Component Parts Location
With 8" Color Display
No. Component Function
1.
Rear sonar sensor RH inner
Refer to Sonar Sensor.
2.
Rear sonar sensor RH outer
3.
Sonar control unit
Refer to Sonar Control Unit.
4.
Around view monitor control unit
Receives the so ...
Blind Spot Warning (BSW)
Basic information
WARNING
Failure to follow the warnings and instructions for proper use of the Blind Spot Warning system could result in serious injury or death.
The BSW system is not a substitute for safe driving practices. It cannot prevent collisions with nearby vehicles or objects. Always c ...