Reasons why the transmission warning light turns on

What is the Transmission Warning Light?

The transmission warning light is a light on the vehicle’s dashboard, usually represented by a gear symbol with an exclamation mark in the center. This symbol may appear in yellow or red, depending on the vehicle model. When this light turns on, it indicates that there is an issue related to the car’s automatic transmission system.

What Causes the Transmission Warning Light to Turn On?

The transmission warning light can illuminate for several reasons. Below are some common causes that trigger the transmission warning light:

1. Low Transmission Fluid

One of the most common reasons why the transmission warning light comes on is low transmission fluid. To fix this issue, you need to add the appropriate type of fluid for your vehicle’s transmission and identify the cause of fluid loss or leakage.

To ensure optimal transmission performance, you should use high-quality transmission fluid, such as Gartz automatic transmission oil. Gartz products are manufactured with advanced German technology, providing stable performance and optimal protection for your transmission. Regular fluid changes not only help maintain the performance of the transmission but also extend the lifespan of the drivetrain system.

2. High Transmission Temperature

Most vehicles will activate the transmission warning light when the transmission temperature is too high. This can occur due to harsh driving conditions or an ineffective cooling system. When the warning light turns on, immediately check the level and quality of the transmission fluid.

To prevent this issue, follow the manufacturer’s recommended maintenance schedule for fluid changes. Gartz transmission oil, with its superior thermal stability, helps maintain stable transmission temperatures and protects internal components from damage. Make sure to use Gartz oil to maintain optimal performance and prolong the life of your transmission.

3. Stored Diagnostic Code

In many cases, the transmission warning light will illuminate if a fault code specific to the transmission has been stored. The main causes of such codes can range from internal transmission issues to simple electrical problems in the valve body. If the warning light is on due to diagnostic codes, using a diagnostic tool to read and clear the fault codes is essential for resolving the issue.

4. Mandatory Maintenance

In certain situations, the transmission warning light may not indicate a problem at all. Instead, some vehicles use this warning light to notify the driver that the specific scheduled maintenance for the transmission is due.

The transmission warning light should not be ignored. Understanding the reasons behind this condition and taking timely corrective measures is crucial for maintaining the safety and performance of your vehicle. Using quality transmission fluid like Gartz and performing regular maintenance can help you avoid many issues and ensure smooth and efficient operation of your transmission. If the warning light turns on, contact a reputable repair center to check and address the issue promptly.