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


id1502b5014400

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 5 s or more.
Fail-safe
•  Blind spot monitoring (BSM) system is stopped.
Possible cause
•  DTCs are stored in the DSC HU/CM.
•  DTCs are stored in the instrument cluster.
•  DSC HU/CM malfunction
•  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 IF MALFUNCTIONING LOCATION IS DSC HU/CM DEPENDING ON REPEATABILITY
•  Clear the DTC for the blind spot monitoring (BSM) control module (LH) using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 5 s or more.
•  Retrieve the blind spot monitoring (BSM) control module (LH) DTCs using the M-MDS.
•  Is the same DTC displayed?
Yes
Replace the DSC HU/CM, then go to the next step.
No
Go to Step 6.
4
VERIFY IF MALFUNCTIONING LOCATION IS INSTRUMENT CLUSTER DEPENDING ON REPEATABILITY
•  Clear the DTC for the blind spot monitoring (BSM) control module (LH) using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 5 s or more.
•  Retrieve the blind spot monitoring (BSM) control module (LH) DTCs using the M-MDS.
•  Is the same DTC displayed?
Yes
Replace the instrument cluster, then go to the next step.
No
Go to Step 6.
5
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Clear the DTC for the blind spot monitoring (BSM) control module (LH) using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 5 s or more.
•  Retrieve the blind spot monitoring (BSM) control module (LH) 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.
6
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.