Car Won't Start

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I have a 2014 Chevrolet Cruze 1.4L LT Turbocharger with 67,040 miles, I've owned it for 4 years & she's been great for me! Recently she started dieing on me while driving and idling, I have replaced Turbocharger, Purge Valve Solenoid, Manifold Absolute Pressure Sensor, Mass Air Flow Sensor, Fuel Pump Control Module, Spark Plugs, Coil Pack, and it's got a brand new front O2 sensor. I purchased the Fuel Pump, Catalytic Converter's & the Fuel Pressure Regulator Sensor. I had a "mechanic" come look at it & he put his OBD II scanner on it, and he is claiming code U0100 code is coming up which is (the ECM) Engine Control Module. I purchased one through Flagship for 205$ that's going to be programmed to my VIN. I am praying that this works, and I hope this "mechanic" didn't do something on his OBD II scanner to destroy my car?! Any thoughts or advice would be a miracle, if anyone has the same car as me & has experienced the same thing!

How long has your 2014 Chevrolet Cruze had this problem?

More than a month