Yeah it does. Definitely try a known good ECU. Do you have any friends with an OBD2 LS? It'd be much easier to swap ECU's that way. If you still throw the code. go over all your wiring again.
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2015 Ford Mustang GT Fastback - Ingot Silver - 6M - Performance Package - Gibson Catback, JLT CAI, FR 47lb injectors, BAMA E85 tune, Eibach Sportline, BMR wheel hop kit, UPR oil separator, Steeda shifter bushing/bracket
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