Kia Rio check engine light issue due to broken transmission sensor requiring replacement on Kia Rio

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Kia Rio owners report experiencing issues with the check engine light being illuminated due to a broken transmission sensor that requires replacement. This warning can be triggered by various problems related to the transmission system, and in some instances, the light may remain on even after certain parts are replaced, indicating a deeper issue such as a faulty automatic transmission control computer. It is essential for owners to identify the root cause of the check engine light, particularly when linked to the transmission sensor, to prevent complications and ensure optimal engine performance. Ignoring this warning can lead to decreased fuel efficiency, rough engine performance, and potentially more severe consequences if not addressed. Therefore, it is advisable for owners to have the sensor inspected and replaced by a qualified mechanic to maintain the vehicle's functionality and safety.

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