For a complete wiring diagram Refer to Section 8WWhen Monitored:Continuously while the VTSS is armed.Set Condition:If the Intrusion Transceiver Module does not receive the correct message back from the Intrusion Sensor.Possible CausesCARGO INTRUSION SENSOR1. INTERMITTENT DTCWith the scan tool, erase the current Intrusion Transceiver Module DTC's.Turn the ignition off.Arm the VTSS and wait 1 minute.Disarm the VTSS and turn the ignition on.With the scan tool, read ITM DTC's.Does the scan tool display the same DTC?YesReplace the Cargo Intrusion Sensor in accordance with the Service Information.Perform BODY VERIFICATION TEST - VER 1.(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE) NoThe condition that caused this symptom is currently not present. Test complete.Perform BODY VERIFICATION TEST - VER 1.(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)