DTC U0415:68 [BLIND SPOT MONITORING (BSM) SYSTEM]


id09021o065200

Description

Error signal received from DSC HU/CM

Detection condition
•  Blind spot monitoring (BSM) control module (LH) receives the error signal from the DSC HU/CM for 2 s or more with the ignition switched ON (engine off or on).
Fail-safe
•  Blind spot monitoring (BSM) system is stopped.
Possible cause
•  DTCs are stored in the DSC HU/CM.
―  DSC HU/CM malfunction
•  DTCs are stored in the instrument cluster.
―  Instrument cluster malfunction
•  Blind spot monitoring (BSM) control module (LH) malfunction
System wiring diagram
Not applicable

Diagnostic Procedure

Step

Inspection

Action

1
VERIFY DSC HU/CM DTCs
•  Retrieve the DSC HU/CM DTCs using the M-MDS.
•  Are any DTCs displayed?
Yes
Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
No
Go to the next step.
2
VERIFY INSTRUMENT CLUSTER DTCs
•  Retrieve the instrument cluster DTCs using the M-MDS.
•  Are any DTCs displayed?
Yes
Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
No
Go to the next step.
3
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Clear the DTC for the blind spot monitoring (BSM) control module using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 3.5 s or more.
•  Retrieve the blind spot monitoring (BSM) control module DTCs using the M-MDS.
•  Is the same DTC displayed?
Yes
Replace the blind spot monitoring (BSM) control module (LH), then go to the next step.
No
Go to the next step.
4
VERIFY IF OTHER DTCs DISPLAYED
•  Are any other DTCs displayed?
Yes
Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
No
DTC troubleshooting completed.