Reprogramming ECU CHEVROLET OPTRA ADVANCED 2009

I have a Chevrolet Optra Advanced 2009, the mechanic scanned it with the TECH2 program, due to the oxygen sensor failure, it meant that it should re program the ECU, since all the components were fine, including the sensor; , I use a program and try to choose the year 2009, but not action, I select a previous year, 2008; It is necessary to indicate that the Optra Advanced Incio in 2009 and that of 2008 is the limit that has another type of coils, income and charge with the enrollment of the 17 digits and thus continued, to the motor module programming, I wait a few minutes and end, but I no longer start the car well and almost turn off, I noticed that I started smelling smoke as a cable, my questions are: my questions are. Auto computer? Can you again program the firmware to origin again? An important thing, to enter 2008, change the tenth 9 to 8, which is the year and I change the number of vin of the chassis that consists of my enrollment, then I leave it as before with 9, but making the process again. It is true that GM codes should be requested to reprogram the Chevrolet Optra Advanced 2009 computer. I would appreciate that someone in the forum can help me with information. Thank you so much

Hello. The reprogramming of the modern control units are delicate procedures and are only carried out if you are sure that the engine hardware is OK ... sensors and actuators, ECU.ETC or on the recommendation of the manufacturer in the bulletins (TSB) ...
It is not a procedure to cover possible malfunctions of the electronic control system poorly diagnosed. It is also important the absolute software compivility that you are going to install with the hardware you have ... Your car. They installed an inappropriate Soft for the engine you have and possibly the design of the control unit. The above can damage the ECU and generate communication problems with the rest of the computers that control a modern car. The Soft to INTALAR must be compatible with the hardware and the Soft installed in the other computers that form a communication network in your car ... otherwise local malfunctions occur and in the reprogrammed module network. Therefore, GM uses codes, so that the above does not happen. I recommend taking it to reflash in GM. Good luck and greetings