Transmission Oil Temperature Indicators

Transmission Oil Temperature

All these are variations of an Automatic Transmission (A/T) Oil Temperature Indicator symbols. Generally seen in red, it means exactly what it says, that the oil temperature in the transmission is too high, which risks transmission failure. Some manufacturers show the symbol as yellow/amber. Regardless of color, take the symbol seriously and allow the vehicle’s transmission to at least cool down.

• But first, are you sure one of these is your symbol?? If yes, then continue on below.
• Otherwise return to our main Picture Symbols page or Text Symbols page and scan again!

This indicator is generally in use only in 4- or all-wheel drive vehicles with towing packages. Pull over and allow the transmission to cool down or there is a risk of failure. There are still more symbols, below…

A picture symbol may also be used. It is a ‘bumpy ring’ with a thermometer symbol inside it. The ring is used to represent a transmission in a number of instances. It may be seen in red or yellow/amber. Again, pull over and allow the transmission to cool down or there is a risk of failure.

This comes courtesy of Ford and the latest Bronco iteration. It too has a thermometer but now embedded inside two gears. There was no need for another symbol style.

Also, Ford did not note a color, so we chose to use red. It means the same even in black and white — its a warning of an overheated transmission that needs time to cool down.

Do not confuse the third image with these symbols to the right. Click here or here, left to right, for more.

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The information on this website is provided for information sharing purposes only, and should not be used in lieu of an OEM service manual or factory authorized service procedure. We are not in the auto repair business nor do we publish automotive service manuals. Nothing we include on these pages and posts has been reviewed, approved or authorized by any vehicle manufacturer.

Remember that only proper service and repair procedures will ensure the safe and reliable operation of your car. In addition, proper safety procedures and precautions, such as the use of safety goggles, the right tools and the equipment should be followed at all times to eliminate the possibility of personal injury or improper service which could damage the vehicle or compromise its safety.

Technology is always changing and what is current and accurate today may be literally out-of-date and inaccurate tomorrow. And when it comes to the current state of flux in the auto industry, nothing is more true.