System and method for immobilizing a vehicle
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United States of America Patent
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Jul 15, 2014
Grant Date -
Mar 4, 2010
app pub date -
Sep 2, 2009
filing date -
Sep 2, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
In accordance with one embodiment, an onboard computer (OBC) and associated circuitry capable of spoofing or mimicking a fault condition tricks an electronic control module (ECM) of an automobile or other such vehicle into implementing an engine derate procedure resulting in vehicle immobilization that is safe and that is credibly attributable to a genuine vehicle fault condition. For example, in response to an engine shutdown command, the OBC might cause a fault-spoofing engine shutdown device in one embodiment to spoof an engine overheating condition by inserting an electrical resistance in parallel with the resistance of an engine temperature sensor, thus lowering the electrical resistance of the temperature sensor as detected by the ECM.
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