Weboct 17, 2009 · this condition may be due to the vehicle security status signal inputs to the vtd module being corrupted and setting false dtcs (b1009, b2734 and b2947) and. Weboct 15, 2020 · if the alarm system is acting up in your cadillac deville then the first thing that you should do is try to reset the system. Usually a simple reset is able to clear up. Webfeb 3, 2020 · does it crank? If not, and the security li light is on, vat system is triggered. The…