Hyundai Elantra engine light on due to transmission fluid sensor issue on Hyundai Elantra

Some Hyundai Elantra owners report experiencing issues with the check engine light illuminating due to transmission fluid sensor problems, indicating potential transmission system concerns that require immediate attention. These owners note that the check engine light serves as a general warning for various maintenance issues, ranging from minor problems like a loose gas cap to more serious transmission-related issues. Additionally, some report that a flashing check engine light signifies a severe problem that should not be ignored, as it could lead to significant damage to components such as the catalytic converter. It is essential for owners to address the check engine light promptly to prevent further complications and ensure their vehicle's proper functioning.