ECU Programming


Car Computer Reflashing – Today’s complex vehicles have numerous computers that manage all of the automotive systems. These computers often require that their software be updated to improve performance, reduce emissions, increase fuel economy, accept a new replacement part, address a check engine light complaint or as part of a technical service bulletin issued by the manufacturer. As technology becomes more advanced, so does the computer in your car. And, just like your home computer, the computer in your car can have problems. When your car’s computer isn’t working properly, there’s a good chance that systems controlled by that computer will not work.


    What is an ECU Reflash? Give us a call and let us answer all your questions and concerns! Reflash an ECU that has no working master keys for less than a replacement would cost.

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What is ECU Reflashing?

ECU reflashing refers to the process of updating or reprogramming the electronic control unit (ECU) of a vehicle. The ECU is a computer that controls various systems in the vehicle, such as the engine, transmission, and other critical components. When a car manufacturer releases a software update, the ECU reflashing process allows technicians to update the software on the ECU to the latest version.

The process typically involves connecting a computer to the vehicle’s OBD-II port, which is a standardized interface for vehicle diagnostics and programming. The computer sends the updated software to the ECU, which overwrites the previous version. ECU reflashing can improve vehicle performance, fuel efficiency, and emissions, and it may also address known issues or bugs in the previous software version. This procedure is usually done by authorized service centers or mechanics who have access to the necessary equipment and software.

There are several benefits of an ECU reflash:

  • Improved Performance: ECU reflashing can enhance the performance of your vehicle by increasing horsepower, torque, and acceleration. The new software can also optimize the engine’s power delivery, making it more responsive and smoother to drive.
  • Increased Fuel Efficiency: By optimizing the fuel injection and ignition timing, ECU reflashing can improve the fuel efficiency of your vehicle. This means you can save money on fuel and reduce your carbon footprint.
  • Better Drivability: With an ECU reflash, you may notice a significant improvement in the drivability of your vehicle. The new software can make the car’s throttle response more predictable, reduce hesitation and improve shifting, making it more enjoyable to drive.
  • Addressing Known Issues: ECU reflashing can address known issues or bugs in the previous software version. This means that the updated software can fix problems like rough idle, stalling, or other issues that may be affecting your vehicle’s performance.
  • Flexibility and Customization: ECU reflashing allows you to customize your vehicle’s performance to your liking. This means you can adjust the parameters of the software to match your driving style, whether you prefer a more aggressive or a more relaxed driving experience.

It’s important to note that ECU (Car Computer Reflashing) should only be done by professionals with the necessary expertise and equipment. Unauthorized modifications to your vehicle’s software can potentially cause damage and may void your warranty. we guarantee your complete satisfaction and have specialized tools to gain access to your vehicle with zero damage, even on luxury and high security vehicles. If you find yourself in a situation needing an auto locksmith you can trust.

Stellar Keys is your go-to solution for a trustworthy and safe car computer reflashing services in the Greater Minneapolis Area. With the use of industry-leading programming tools, we create new keys for your vehicle that adhere to the manufacturer’s specifications. Simply contact us, and we will be with you in a matter of minutes.


Please contact us by email, telephone or through our Site if you have any questions about our car computer reflashing service or if you seek any locksmith advice. Details for contacting us are shown below: