Transmission fault indicator light - a detail Vietnamese drivers often overlook.
The transmission fault warning light typically illuminates when three issues arise: temperature, pressure, and oil level.
The transmission fault warning light typically illuminates when three issues arise: temperature, pressure, and oil level.
The transmission fault light is usually indicated by a gear icon with an exclamation mark in the center. The icon is yellow or red depending on the vehicle model.
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| The yellow icon indicates a problem with the transmission. |
If your car displays a transmission warning light, it could also be due to a malfunctioning sensor. The first thing to do is shift to park (P), turn off the engine, and engage the parking brake. Wait a moment, then restart the engine. If the light goes off, the problem is solved; if it remains on, the transmission is indeed malfunctioning.
If this happens, drivers should have their vehicles inspected as soon as possible to avoid costly repairs later. Because the gearbox is a complex and intricate component, replacements and repairs are often very expensive.
*Video of the transmission fault light on a BMW 3 Series:
Typically, this warning doesn't mean the transmission is broken, but rather serves as a reminder of a potential problem. The light illuminates when the transmission is experiencing one of three issues: oil temperature, oil pressure, or oil level. To accurately determine the cause, a mechanic must use professional diagnostic equipment.
If drivers are careless and continue using the car for extended periods, the gearbox will quickly deteriorate and its lifespan will be significantly reduced. Some expensive car models even have the ability to limit engine speed or RPM to prevent the gearbox from being put too much pressure on it. On a BMW car forum, the owner of a BMW 328i E36 intentionally drove with the gearbox warning light on. He couldn't accelerate normally, and the engine RPM wouldn't exceed 2,000 RPM even with the accelerator fully pressed.
According to VNE
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