What You Need to Know About Automatic Transmission Slipping

September 6, 2018 | By Mister Transmission

What You Need to Know About Automatic Transmission Slipping

Slipping is one of the most common problems experienced by automatic transmissions. It is also, potentially, one of the most dangerous. And, as with many otherissues you may experience with your vehicle, the sooner you deal with the problem, the better – especially because transmission slipping can always get worse. Here’s what you need to know about transmission slipping.

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Automatic Transmission Slipping

When you shift gears while driving your vehicle, you pretty much expect your vehicle to stay in that gear. Unfortunately, that’s not always the case. In modern automatic transmissions, when you shift gears, the vehicle’s computer sends a signal to the transmission that allows the change to take place. Sometimes, however, these gears can change on their own. Often (though not always) the gear might change to neutral on its own. Sometimes the transmission will “reject” your gear change and revert to its previous gear. This is annoying at best and downright dangerous at worst.

What to Look For

If you have noticed your transmission beginning to slip, there are a number of things you can look for before bringing it in for an inspection. By examining other parts of your automatic transmission and vehicle, you can get a better idea of what might be causing your automatic transmission to slip. Some things to look for include:

  • Is your check engine light is on?
  • Does your automatic transmission try to upshift, then fall back into a lower gear?
  • Does your automatic transmission refuse to upshift?
  • Does your automatic transmission fall into a lower gear, causing the engine to run at a high RPM?
  • When you step on the gas, does your engine’s RPM increase, but the vehicle speed remains the same?
  • Does your automatic transmission fail to engage in reverse?
  • Can you smell a strange or burning odour?
  • Do you hear unusual noises when shifting?
  • Can you feel hard or rough gear changes?
  • Do you see red oil on your driveway ?

All of the above are common co-occurrences with automatic transmission slipping. If you have noticed some of these issues but not others, this can give a hint as to what the cause of these problems might be.

Causes of Automatic Transmission Slipping

As with all transmission problems, a good place to start is with the transmission fluid. Automatic transmission problems can be caused by a lack of transmission fluid. If you are experiencing slipping, the first thing you should do is check your transmission fluid levels. If they are low, you should top it up and check for leaks. Slipping can also be caused by burned or worn out fluid. Sometimes transmission fluid needs to be replaced, which itself can be a sign of internal wear and tear of the transmission. Good quality fluid should be clear with a reddish tint. Poor quality fluid will be discoloured and can have an unpleasant odour.

Other causes will be difficult to determine without bringing the vehicle in for inspection. Another common cause of automatic transmission slipping is a solenoid problem. This often requires a technician to interface with the vehicle onboard computer to see where the problem might be and the best way to fix it.

Get In Touch

If you would like to learn more about automatic transmission slipping, or to find out what’s causing your transmission to slip, please get in touch with us today.

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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Sheila Bredo
Excellent. Service
Date: September 19, 2026
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Very informative
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Very informative
Date: September 18, 2026
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Sanjay and his technician were...
Randy Johnston
Sanjay and his technician were great. The tech was very knowledgeable with many years of experience. He took the time to explain to me exactly what the problem was, and what needed to be done to fix it. Transmission work is typically very expensive and I felt the price for the job I was quoted was very fair. I recommend this Mr. Transmission shop.
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The team went above and...
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The team went above and beyond from the moment my vehicle arrived, I worked mainly with Chris and then Ken but everyone I had contact with was amazing. They understood the vehicle and performed excellent service start to finish. I would definately recommend anyone to go Mr. Transmission in Pickering.
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Matt was such a great...
Crissy Moore
Matt was such a great help! He took thr time to source the parts I needed and gave me some great advice along the way. It's noce to find an honest, reliable mechanic you can trust. I'll definitely be going back to Matt and his team for all my car needs!
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Fixed my truck perfectly 10/10...
Jacob Ursel
Fixed my truck perfectly 10/10 service super friendly super fast great people
Date: September 18, 2026
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I went to the Mister...
Claudiovw
I went to the Mister Transmission store #160, near Dixie/hwy401, to have the transmission inspected on my 2015 Dodge Grand Caravan. As soon as you walk in the door you are greeted with a smile and a sincere "how are you today". The inspection was thorough and the time was taken to explain the process and findings in detail. A report with pictures was also provided by email. Thank You to Jody, Aki, and the Technicians who took care of me!
Date: September 17, 2026
Website: Google
I went to the Mister...
Claudiovw
I went to the Mister Transmission store #160, near Dixie/hwy401, to have the transmission inspected on my 2015 Dodge Grand Caravan. As soon as you walk in the door you are greeted with a smile and a sincere "how are you today". The inspection was thorough and the time was taken to explain the process and findings in detail. A report with pictures was also provided by email. Thank You to Jody, Aki, and the Technicians who took care of me!
Date: September 17, 2026
Website: Google
Had to get my transmission...
Manitoba Hindu
Had to get my transmission fixed.for 2015 Hyundai. Happy with the overall experience. Got a loaner car which also helped.
Date: September 17, 2026
Website: Google
I went to the Mister...
Claudiovw
I went to the Mister Transmission store #160, near Dixie/hwy401, to have the transmission inspected on my 2015 Dodge Grand Caravan. As soon as you walk in the door you are greeted with a smile and a sincere "how are you today". The inspection was thorough and the time was taken to explain the process and findings in detail. A report with pictures was also provided by email. Thank You to Jody, Aki, and the Technicians who took care of me!
Date: September 17, 2026
Website: Google
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