For a complete wiring diagram Refer to Section 8W.When Monitored:While the VTSS is armed.Set Condition:When the learned Siren information stored in the ITM does not match.Possible CausesINTERMITTENT CONDITIONSIREN1. DETERMINING IF DTC IS CURRENTDiagnose any related Communication DTC(s) before continuing.With a scan tool, read and record DTC(s).With the scan tool, clear DTC(s).Turn the ignition off and remove the key from the ignition.Lock and close all doors to allow the VTSS to go from pre-arm to armed status and wait one minute.Disarm the VTSS.Using the scan tool, read ITM DTC(s).Does the DTC reset?YesInspect wiring from ITM to Siren for an intermittent open condition. Check connector terminals for push out, corrosion or loose terminal contact. If OK, replace the Siren.Perform BODY VERIFICATION TEST – VER 1(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE) NoGo To 22. INTERMITTENT CONDITIONCheck for any of the follow conditions:Poor wire to terminal connectionCorroded terminalsPushed out or loose terminalsBroken wire internal to the insulationWere there any problems found?YesRepair the wiring as necessary.Perform BODY VERIFICATION TEST – VER 1(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE) NoDTC is not active at this time. Test complete.