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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 58 (Vehicle Theft Security System - Electrical Diagnostics) >> Vehicle Theft Security - Electrical Diagnostics >> DTC Troubleshooting >> B1A3C-Internal Siren Battery >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2006 Dodge Magnum, 2006 Dodge Charger, and 2006 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. 1)  DETERMINING IF DTC IS CURRENT 

    With a scan tool, read and record DTC(s).

    With the scan tool, clear DTC(s).

    Start the engine and allow it to idle for 2 minutes then turn the engine off.

    Using the scan tool, read DTC(s).

    Does the DTC reset? 

    Yes 

    1. Go To  2).

    No 

    1. DTC is not active at this time. Test complete.
  2. 2)  VEHICLE STORED WITH NO BATTERY VOLTAGE FOR EXTENDED PERIOD OF TIME 
    NOTE: If the vehicle was allowed to sit with no battery voltage for an extended period of time the back up battery located in the siren may discharge and need to be recharged.

    Was the vehicle battery power just restored after the vehicle was stored with no power for an extended period of time? 

    Yes 

    1. Allow the vehicle to sit with a fully charged battery for two hours then restart this procedure.

    No 

    Replace the Siren in accordance with the Service Information. (Refer to ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE) .

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