What Causes Transmission Problems?

What Causes Transmission Problems

Transmissions are tricky. They are incredibly intricate and complex. And this truer now than ever before. With the advent of computers and the increased digitization of automobiles, transmissions can be more confusing than ever. So when a transmission begins to act up, it can be a really tricky proposition to figure out just what the problem is.

Transmission Problems

Transmission problems come in all different sorts and varieties. Sometimes you know you have a transmission problem. Other times, you know there is a problem with your vehicle, but you can’t be sure it’s the transmission. And sometimes, there can be something wrong with your transmission but you have no idea that your vehicle is running at nonoptimal levels.

If you hear harsh noises when you shift gears, it’s a pretty clear sign that you have a transmission problem. Ditto for slipping, erratic shifting, and late or early shift patterns. This is often (but not always) caused by wear and tear on your transmission. But there are other transmission problems as well.

Wear And Tear

Wear and tear is a major cause of a variety of transmission problems. One of the best ways to see if you have a transmission problem is to check your transmission fluid. If it’s clear red, you should be OK. If, however, your transmission fluid is discoloured or has an unpleasant smell, your transmission is likely suffering from wear and tear. If discoloured fluid is coupled with other symptoms and problems, this might require an internal inspection of your transmission.

Computers And Sensors

As mentioned before, transmissions have become increasingly computerized in recent years. Overall, this is a good thing, but it does mean that transmission problems can be an even more complex and challenging conundrum. A major cause of transmission problems is when the computer system is sending incorrect signals due to a faulty sensor. Another common problem with computerized transmissions is when the transmission does not react to the command because of a bad connection or defective solenoid pack.

Technical Diagnostics

As mentioned earlier, many transmission problems are the result of old, dirty, or insufficient levels of transmission fluid. But because of the role of the computer, or just because transmissions are inherently complex machines, the cause of a transmission’s problems may not be easily assessed right off the bat. A comprehensive diagnostic process may be required.

At Mister Transmission we have access to state of the art diagnostic equipment, which allows us to offer the fastest and most accurate findings about what’s going on inside your vehicle’s transmission. Our technology can interface with a vehicle’s computer system to determine the specific transmission problem. The first step in assessing your transmission involves your technician connecting the diagnostic equipment to your vehicle’s on-board computer. This will produce a code stating where the problem lies. Next, we take the vehicle for a test drive so that we can evaluate its performance in real-time. While more comprehensive and hands-on evaluations may yet be required, our technology is an important tool in determining the right starting point for further investigations to figure out the cause of your transmission problems.

Contact Us

If you have any more questions about our transmission service and diagnostics, please do not hesitate to contact us.

Mister Transmission Team

The Mister Transmission team consists of certified transmission specialists with decades of combined experience in diagnosing, repairing, and maintaining automatic and manual transmissions.

With over 60 years of service across Canada, our experts provide trusted, accurate, and up-to-date automotive advice to help drivers make informed decisions about their vehicles.

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Customer Reviews
Awesome team. Transmission is now...
Yoshipark99
Awesome team. Transmission is now smoother and more responsive. 4L60E full rebuild. Great job and pretty fast. Cole from Tillsonburg
Date: July 18, 2026
Website: Google
One of the best experiences...
Wayne King
One of the best experiences I have at a repair shop. I had transmission problems that I expected would cost hundreds of dollars to fix. Ended up it was just some rust seizing a linkage - they cleaned it up and didn't even charge me anything works fine now and I couldn't be happier - will be recommending them to everyone.
Date: July 18, 2026
Website: Google
Mister Transmission just rebuilt the...
Julie Watton
Mister Transmission just rebuilt the transmission in my sprinter van. Called them on a Monday, Wes diagnosed the problem on Tuesday and van was ready by Friday! Wes was super knowledgeable, provided options and even showed me the problem. Chris at the front desk has excellent customer service! Very happy with the experience.
Date: July 18, 2026
Website: Google
Resolved my issue and provided...
C M
Resolved my issue and provided a loaner car as I was out of town.
Date: July 17, 2026
Website: Google
Amazing experience will definitely recommend....
Les Karapancsik
Amazing experience will definitely recommend. Took their time and easily found the problem that other shops could not find
Date: July 17, 2026
Website: Google
100% reliable. Excellent service deliver...
Jose Duran
100% reliable. Excellent service deliver by true experts
Date: July 17, 2026
Website: Google
We’re from Winnipeg and began...
Tara McLauchlan
We’re from Winnipeg and began having transmission issues just outside of Ottawa. We had our campervan towed to this location, where they went above and beyond with their service. Kristin was friendly and knowledgeable and kept us promptly updated to our repair status. Mike the service tech worked so hard to get us back on the road in a safe and timely manner. This location worked in communication with our Winnipeg location to honor the nationwide warranty, even though we were 6000kms over the warranty threshold. We are so thankful for all their hard work and kindness.
Date: July 17, 2026
Website: Google
Staff were extremely helpful and...
Mark Saigeon
Staff were extremely helpful and informative and gave me the peace of mind I needed. They could have taken advantage of my lack of knowledge but showed great integrity. Thank you.
Date: July 17, 2026
Website: Google
We’ve been taking our Promaster...
Tara McLauchlan
We’ve been taking our Promaster campervan to this location for years. Their service has always been fast, friendly and fair. They’ve been able to repair anything we’ve asked of them. We recently took our van on a cross Canada road trip, we ended up having issues with our transmission just outside of Ottawa. Phil from Mr Transmission Winnipeg, was able to communicate with the location in Ottawa to honour the nation wide warranty. Even though we were 6000 kms over our warranty, Phil covered all the repairs under warranty and was checking in to make sure we got back on the road safely.
Date: July 17, 2026
Website: Google
Incredible service in a timely...
Shayne Campeau
Incredible service in a timely manner. Jo and his team cut no corners and got me rolling again in no time. Service like that is hard to come by anymore. If you're having transmission issues this is where to go. Thank you Jo & team!
Date: July 16, 2026
Website: Google
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