We come to you or you mail it to us

Reflash ECU Services

The dealership reportedly charges well over $1000 for this service in most cases. We can get it done for much less. 
The key service in ECU re-flashing encompasses a range of specialized tasks related to programming, synchronization, and troubleshooting of keys and immobilizer systems
Send us the computer  
Remove the ECU (vehicle immobilizer
computer) from your car and send it to us.
We will preper the key and send it back.
We come to you
Are you in Calgary area? We will sent a technician to your location to preform the ECU service on the spot.
ECU Reflash Service Canada

ECU re-flashing a specialized service provided by automotive locksmiths

Did you know that ECU programming is necessary in the modern world of automobile technology? The engine control unit is the vehicle’s brain, orchestrating its primary operation function.
So, if you have a older model, Acura, Honda, Lexus or Toyota Vehicle, you need car module programming, a service B&W Automotive Locksmith provides.  

What is a Reflash Service?

When you reflash a car computer, you upgrade it to fine-tune its performance, ensuring an efficient yet smoother ride.
Here, we will guide you through ECM reprogramming to help you reflash the car computer.
Take the next step to optimize your vehicle’s performance. 

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Understanding Locksmith ECU Programming

The ECU system controls your vehicle’s functions and is your car’s central computer.
It receives input from several sensors to process information for you in real-time.
The ECU sends commands to the vehicle’s engine and other systems to help optimize the performance. So, then it helps with:

  • Ignition Timing
  • Variable Valve Timing
  • Fuel Injection
  • Idle Speed


It is critical to ensure your car runs efficiently and smoothly, a key component if you have a modern car with this technology.

So, it provides optimal engine performance, continuously monitoring various parameters to adjust automatically.
So, how does ECU work? Well, it provides you with real-time data from the sensors throughout the car  from the:

  • Engine Temperature
  • Throttle Operation
  • Air Density
  • Exhaust Gasses
  • Oxygen Level


When the ECU receives the data, it jumps into action to provide ideal settings for these functions.
Hence, to keep your vehicle in optimal condition, it needs PCM reprogramming. 

What is ECU Reflashing?

ECU reflashing is updating the software.
Similar to your smartphone, this process involves replacing your old software with the latest updates.
These updates include improving the algorithms to keep your car working in tip-top condition.

B&W Locksmith & Auto Blackfoot Trail uses special equipment that we connect to the car’s ECU to download and upload the latest software with the new version.
Updating the software with an ECU reflash is a massive benefit if you have a modern car.  

The Process to Reflash The Car Computer

The Process to Reflash The Car Computer

Here is the step-by-step process if you are looking for an ECU repair near me:

  1. Diagnostic Test: We perform a diagnostic test to check for any existing issues that may interfere with the reflash process.
  2. Backup: We create a backup of the existing ECU software to ensure that we can restore it to its original state if necessary.
  3. Download: We analyze the current ECU software to understand its functionality and structure.
  4. Modification: We modify the ECU software using the latest maps and parameters to enhance the vehicle’s performance and efficiency.
  5. Installation: We upload the modified software back to the ECU.
  6. Confirmation: We perform a series of tests to confirm that everything is working as expected and that the vehicle’s performance has improved.


The ECU reflash process takes up to 3 hours, but the exact time can vary depending on the car’s model and the software.

During the process, we use a diagnostic scanner to help check issues, and with a dedicated ECU tool, we edit the software using large mapping software to modify it.

ECU Reflashing Benefits

With ECU reflashing, you get loads of benefits that help enhance your automobile performance:

  • Increased horsepower and torque
  • Improved acceleration and throttle response
  • Better fuel efficiency
  • Enhanced engine performance and drivability
  • Optimized air/fuel ratio
  • Removal of speed limiters
  • Improved shifting in automatic transmissions
  • Ability to customize vehicle settings
  • Ecu reflashing can be done without physical modifications to the vehicle 

We Provide a Reflash ECU Mail In Service

If you need more time to come in for an ECU reflash, we provide you with a Reflash ECU Mail Service. Here are the steps to follow:

  1. Remove the vehicle immobilizer computer (ECU) from your vehicle to send it to us.
  2. Once we receive it, we will cut a new key according to the VIN and provide a program using the ECU you sent us.
  3. Once done, we will return the entire package to you.
  4. When received, reassemble the ECU and start your car with your new keys.

Get in Contact With Us Today for a Reflash ECU Service

ECU reflashing is an integral part of keeping your vehicle working smoothly.
It is a cost-effective way to help your car perform well.
B&W Locksmith Calgary offers a reliable reflash ECU service.
Contact us today to schedule an appointment or use our ECU mail-in service.

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