DTC B109E:83 [BCM]


id0902f5345800

DESCRIPTION

Keyless receiver circuit malfunction

DETECTION CONDITION
•  BCM receives the erratic signal continuously 12 times.
POSSIBLE CAUSE
•  Keyless receiver malfunction
•  Keyless control module malfunction (vehicles with advanced keyless entry and push button start system)
•  BCM malfunction

Diagnostic Procedure

STEP

INSPECTION

ACTION

1
CONFIRM BCM DTC
•  Clear the DTC using the M-MDS.
•  Perform the BCM DTC inspection using the M-MDS.
•  Is the same DTC present?
Yes
Go to the next step.
No
Go to Step 5.
2
INSPECT KEYLESS RECEIVER
•  Is there any malfunction?
Yes
Replace the keyless receiver, then go to Step 4.
No
Vehicles without advanced keyless entry and push button start system:
•  Go to Step 4.
Vehicles with advanced keyless entry and push button start system:
•  Go to the next step.
3
INSPECT KEYLESS CONTROL MODULE
•  Inspect the keyless control module.
•  Is there any malfunction?
Yes
Replace the keyless control module, then go to the next step.
No
Go to the next step.
4
VERIFY TROUBLESHOOTING COMPLETED
•  Clear the DTC using the M-MDS.
•  Perform the BCM DTC inspection using the M-MDS.
•  Is the same DTC present?
Yes
Replace the BCM, then go to the next step.
No
Go to the next step.
5
VERIFY THAT NO OTHER DTCs ARE PRESENT
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.