DTC B109F:49 [BCM]


id0902f5412600


Description

•  Intruder sensor internal malfunction

Detection Condition

•  Intruder sensor internal malfunction.

Possible Causes

•  Intruder sensor malfunction
•  BCM malfunction

Diagnostic Procedure

Step

Inspection

Action

1
INSPECT INTRUDER SENSOR
•  Inspect the Intruder sensor.
•  Is there any malfunction?
Yes
Replace the Intruder sensor, then go to the next step.
No
Go to the next step.
2
VERIFY TROUBLESHOOTING COMPLETED
•  Clear the DTCs using the M-MDS.
•  Perform the BCM DTC inspection using the M-MDS.
•  Is the DTC B109F:49 present?
Yes
Replace the BCM, then go to the next step.
No
Go to the next step.
3
VERIFY THAT NO OTHER DTCs ARE PRESENT
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.