Automatic Transmission Warning Indicators

Automatic Transmission

These are Automatic Transmission (AT) Warning Indicator symbols. The first symbol indicates an electrical, rather than a mechanical,  problem with the transmission. Continuing to drive could cause damage to the transmission that would likely be very expensive to repair.

• Before continuing, are you sure this is your symbol?? If yes, then read on below.
• Otherwise, you can return to our main Picture Symbols page and scan again!

The second, AT CHECK has a broader meaning, where any problem with the transmission would generate the warning.

Another Version

This also is a Transmission Fault Indicator. It is made to resemble a transmission if seen from the side in yellow/amber. The manufacturer who uses this symbol states that the vehicle can be driven carefully for a short while.

In any of these cases, contact your dealer or authorized service center as soon as possible.

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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Technology is always changing and what is current and accurate today may be literally out-of-date and inaccurate tomorrow.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.

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