DTC U1A4B:54 [BLIND SPOT MONITORING (BSM) CONTROL MODULE]
id1502b5015100
|
Description |
Radar aiming is not performed or radar sensor axis is deviated (blind spot monitoring (BSM) control module (RH)) |
|---|---|
|
Detection condition
|
• Malfunction in radar aiming of the blind spot monitoring (BSM) control module (RH) detected for 1 s or more with the ignition switched ON (engine off or on).
|
|
Fail-safe
|
• Blind spot monitoring (BSM) system is stopped.
|
|
Possible cause
|
• Blind spot monitoring (BSM) radar aiming (RH) was not performed.
• Deviation of blind spot monitoring (BSM) control module (RH) radar sensor axis
• Blind spot monitoring (BSM) control module (RH) malfunction
|
|
System wiring diagram
|
Not applicable
|
Diagnostic Procedure
|
Step |
Inspection |
Action |
|
|---|---|---|---|
|
1
|
PERFORM BLIND SPOT MONITORING (BSM) CONTROL MODULE (RH) RADAR AIMING
• Perform the blind spot monitoring (BSM) control module (RH) radar aiming.
• 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 2.5 s or more.
• Retrieve the blind spot monitoring (BSM) control module DTCs using the M-MDS.
• Is the same Pending DTC present?
|
Yes
|
Perform the blind spot monitoring (BSM) control module (RH) radar aiming again, then go to the next step.
|
|
No
|
Go to Step 3.
|
||
|
2
|
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 2.5 s or more.
• Retrieve the blind spot monitoring (BSM) control module DTCs using the M-MDS.
• Is the same Pending DTC present?
|
Yes
|
Replace the blind spot monitoring (BSM) control module, then go to the next step.
|
|
No
|
Go to the next step.
|
||
|
3
|
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.
|
||