DTC B10A5:49 [REAR BODY CONTROL MODULE (RBCM)]


id0902p4013400

Description

Theft-deterrent siren internal malfunction

Detection condition
•  Rear body control module (RBCM) detects the theft-deterrent siren internal malfunction for 1.5 s or more.
Fail-safe function
Not applicable
Possible cause
•  Theft-deterrent siren malfunction
•  Rear body control module (RBCM) malfunction
System wiring diagram
Not applicable

Diagnostic Procedure

Step

Inspection

Action

1
VERIFY REAR BODY CONTROL MODULE (RBCM) DTCs AGAIN
•  Clear the DTC for the rear body control module (RBCM) using the M-MDS.
•  Switch the ignition ON (engine on) and wait for 3 s or more.
•  Retrieve the rear body control module (RBCM) DTCs using the M-MDS.
•  Is the same DTC displayed?
Yes
Go to the next step.
No
Go to Step 4.
2
INSPECT THEFT-DETERRENT SIREN
•  Inspect the theft-deterrent siren.
•  Is the theft-deterrent siren normal?
Yes
Go to the next step.
No
Replace the theft-deterrent siren, then go to the next step.
3
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Clear the DTC for the rear body control module (RBCM) using the M-MDS.
•  Switch the ignition ON (engine on) and wait for 3 s or more.
•  Retrieve the rear body control module (RBCM) DTCs using the M-MDS.
•  Is the same DTC displayed?
Yes
Repeat the inspection from Step 1.
•  If the malfunction recurs, replace the rear body control module (RBCM).
Go to the next step.
No
Go to the next step.
4
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.