Why You Should Upgrade Your Engine Control Unit Software

By Mister Transmission

Your car’s ECU is the brain behind the horsepower that controls everything from the transmission to fuel consumption

Modern automobiles are complex machines.

Arguably, the cars, trucks, and SUVs cruising Canada’s tar plains today should be counted among other remarkable feats of engineering for the simple fact they are computerized marvels inasmuch as they are mechanical wonders. And yet, there is so many things that can go wrong in your car at any time, including a malfunction in the engine control unit (ECU) – aka engine control module (ECM) – that serves as your car’s “brain.”

Like any computer, the operating system (OS) and software installed on it are what gives the computer its instructions. If the ECU’s OS or the software responsible for sending and receiving data from all the sensors throughout your vehicle is not up-to-date, or the module itself fails to operate properly, it can wreak havoc on almost anything in your car, including how your transmission performs.

Electrical System Flaw or Mechanical Malfunction?

Problems with the electrical or computerized systems in your vehicle are easy to detect thanks to the engine light on your dashboard, or because your car won’t start. But they are maddeningly difficult to diagnose. Naturally, if your car’s engine is making strange noises, your immediate assumption is it’s a mechanical problem.

But nowadays, most essential functions in your car are done electronically. For instance, your vehicle (despite the make and model) has an electronic throttle control that long ago replaced the mechanical connection between the accelerator pedal and the throttle. That electrical throttle is, in part, responsible for governing transmission gear and torque changes.

The Benefits of Ensuring Your ECU Runs Smoothly

It’s important to keep your ECU’s software updated. Doing so will improve the responsiveness of your vehicle, and prevent wear and tear on your transmission.

In addition to ensuring your transmission and gearbox are performing as they should, an optimized ECU controls:

  • The timing of your car’s ignition
  • Your engine’s idling speed
  • How much fuel is consumed and how much carbon dioxide is exhausted
  • How much torque your engine produces

Have questions about your car’s ECU and how it’s performing? Talk to a Mister Transmission technician about your ECU software. Find your nearest location.

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Customer Reviews
Frank and his team did...
Laura Swanson
Frank and his team did a great job on my 2013 Journey. I noticed a difference driving the car right away. The job was done on time, cost a little more than the original quote but doesn't everything these days. Would certainly return for any work required but hoping to not have to in the near future!!
Date: July 14, 2024
Website: Google
Very honest people and great...
Jamie Stableforth
Very honest people and great work. Fixed a needle in a haystack issue on wife's Subaru. It's now running better than ever!
Date: July 13, 2024
Website: Google
These guys were amazing. Diagnosed...
David Bonany
These guys were amazing. Diagnosed my issue in moments and had me back on the road. So grateful for mechanics with integrity. Thanks guys!!
Date: July 13, 2024
Website: Google
Vehicle was making a weird...
Shania Mason
Vehicle was making a weird noise this morning when I started it (Saturday) & my usual mechanic is closed . I called them & was told to bring it in anytime today & they'd take a look & lemme know what it was. Brought it in & was seen immediately. Was told what the issue was & what needs to be done etc. at no charge. The gentlemen also told me that i shouldn't drive it this weekend ,which I'm thankful they did. Recommended me to a rental car company also as I had an event to get to this weekend. Thank you guys for your time & knowledge, you saved me a hefty tow bill plus some. 10/10 would recommend. Will be going back for my next oil change !
Date: July 13, 2024
Website: Google
Wonderful costumer service, very helpful...
Martina Robertson
Wonderful costumer service, very helpful and no pressure. I definitely recommend getting your transmission done here
Date: July 12, 2024
Website: Google
Replace my whole transmission a...
Chris Haney
Replace my whole transmission a few days early. Did an excellent job, very kind and informative. Highly recommend.
Date: July 12, 2024
Website: Google
I recently had a great...
Dave Malda
I recently had a great experience with Mr. Transmission, where Wes provided an honest and transparent assessment of my transmission issues. He was super helpful, diagnosing a strange problem with expertise. Wes went the extra mile, ultimately saving me a lot of money. Highly recommend their services! Thank you again!! Dave.
Date: July 12, 2024
Website: Google
Finally got around to doing...
Carol Simon
Finally got around to doing this review and everyone seems to be saying the same thing I was going to say. They are professional. They do great work. They give great advice about what options you have and which option is best for you, and they are honest about it. No one wants to ever be in the position to get a transmission replaced/repaired, but if you are, this would be the place to do it and rest assured it will be done well -- in my experience and opinion based on the work that was done for us. In our case, Mr. Transmission actually came to the rescue. And by that I mean, we were going to be low-key scammed by another "brand name" service provider. After we escaped the trap, we found Mr. Transmission. I am not going to call out that service provider because they actually did great work for us in the past, so we forgive that 'blunder'/misdiagnosis. I think my husband eventually suspected/decided it had to be the transmission or whatever the case was [and he was obviously right], but when he called Mr. Transmission, he spoke with Luke. I don't really like to use names in reviews, but his name has already been mentioned and it is true that he is professional and reassuring and helpful and so on... It was mainly because of him we decided that this was the place we were going to receive the right help. The minute I overheard him on the phone with my husband, I thought to myself, "We are going to receive the right help." And I was right. Don't ask me how I know. I just know these things. Not sure if this Luke is a mechanic as well or even if he was the one that worked on the van, [didn't ask and not relevant for this review] but he is a perfect example of why I place 'customer service' most times even above product quality and delivery and ovi the product/service delivered was A+, but customer service is almost always number 1 in my books and this experience proves why. Thanks to Luke, we are now happy we made the choice to use Mr. Transmission. And thanks to whoever worked on our van as well. Whenever I decide to give a good review of any company it is because in my books they deserve an A or an A+ and this one gets an A+.
Date: July 12, 2024
Website: Google
All the Positive reviews are...
Sai Sagar
All the Positive reviews are indeed true❤️ Kris is a gem of a Person, profoundly knowledgeable and Genuinely humble!! Kudos to him and this entire team, they are the best!!!
Date: July 11, 2024
Website: Google
Friendly guys that helped look...
Dylan Higgins
Friendly guys that helped look at my car today regarding transmission issues
Date: July 11, 2024
Website: Google
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