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Symptom: *ALARM TRIPS ON ITS OWN POSSIBLE CAUSES DRB DISPLAY LAST VTSS CAUSE INTERMITTENT CONDITION TEST ACTION APPLICABILITY 1 With the DRBIII t in Inputs/Outputs, read the Last VTSS Cause state. Were there any causes displayed? All Yes → Check for a possible intermittent condition with the circuit indicated by the DRBIII t. Perform VTSS VERIFICATION TEST - 1A. No → The condition that caused this symptom is currently not present. Inspect the related wiring harness for a possible intermittent 521 VEHICLE THEFT/SECURITY |