DTC B10A5:49 [BCM]

id0902f5412900

Description

• Theft-deterrent siren internal malfunction

Detection Condition

• Theft-deterrent siren internal malfunction.

Possible Causes

• Theft-deterrent siren malfunction

• BCM malfunction

Diagnostic Procedure

Step

Inspection

Action

1

INSPECT THEFT-DETERRENT SIREN

•  Inspect the theft-deterrent siren.
(See THEFT-DETERRENT SIREN AND TILT SENSOR INSPECTION.)

•  Is there any malfunction?

Yes

Replace the theft-deterrent siren, then go to the next step.

(See THEFT-DETERRENT SIREN AND TILT SENSOR REMOVAL/INSTALLATION.)

No

Go to the next step.

2

VERIFY TROUBLESHOOTING COMPLETED

•  Clear the DTCs using the M-MDS.
(See CLEARING DTC [BCM].)

•  Perform the BCM DTC inspection using the M-MDS.
(See DTC INSPECTION [BCM].)

•  Is the DTC B10A5:49 present?

Yes

Replace the BCM, then go to the next step.

(See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION.)

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.

(See DTC TABLE [BCM].)

No

DTC troubleshooting completed.

Step	Inspection		Action
1	INSPECT THEFT-DETERRENT SIREN • Inspect the theft-deterrent siren. (See THEFT-DETERRENT SIREN AND TILT SENSOR INSPECTION.) • Is there any malfunction?	Yes	Replace the theft-deterrent siren, then go to the next step. (See THEFT-DETERRENT SIREN AND TILT SENSOR REMOVAL/INSTALLATION.)
1		No	Go to the next step.
2	VERIFY TROUBLESHOOTING COMPLETED • Clear the DTCs using the M-MDS. (See CLEARING DTC [BCM].) • Perform the BCM DTC inspection using the M-MDS. (See DTC INSPECTION [BCM].) • Is the DTC B10A5:49 present?	Yes	Replace the BCM, then go to the next step. (See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION.)
2		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. (See DTC TABLE [BCM].)
3		No	DTC troubleshooting completed.