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Help got code P0685 then car shut off

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Old Jun 23, 2015 | 01:58 PM
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Default Help got code P0685 then car shut off

Hi s2ki peeps,
So this is how it goes... I have a 09 s2k. I was driving on the freeway and the check engine light pops on. Get the code reader out and get code p0685. P0685 - Ecm malfunction. As i pulled the code. The car just shuts off. I cant get the code reader to read the ob2 port. Dash still lights and it just cranks. I dont hear the fuel pump. I removed the negative battery terminal and left it off all day, which should reset the ECM. I checked the cables on the battery and they are not corroded or frayed. I even checked the wires on the ecu and none seem loose. Im lost. What else should i check?
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Old Jun 23, 2015 | 05:14 PM
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Any blown fuses?
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