2015 Kia Soul EV Has A Check Engine Light

Troubleshooting the Check Engine Light in Your 2015 Kia Soul EV: Common Causes and Solutions

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Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
40% chance it's the
Emissions System
0%
60% chance it's
Something else
The most common reasons a 2015 Kia Soul EV has a check engine light are an emissions system component, a sensor, or a catalytic converter.
  • Emissions System: A faulty emissions system component, such as an oxygen sensor or EGR valve, can lead to increased emissions and trigger the check engine light.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2015 Kia Soul EV has a check engine light?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

Due to the nature of electrical systems on modern vehicles, the range of problems these can cause are nearly limitless. However, there is a way to categorize them in two ways. Permanent and intermittent problems. Permanent problems appear and remain. This may be the vehicle will not start, the radio does not work, or the door chime will not turn off among many, many others. These problems are more straight-forward to diagnose since they present themselves at all time. This means there will always be a fault to find. Intermittent electrical problems, however, can be difficult or impossible to locate, since they appear then disappear without warning. The best case scenario for an intermittent issue is when replicating the problem is easily accomplished and understood. This allows a technician to make an issue semi-permanent, allowing them to find the fault. Other issues that come and go without warning and cannot be replicated on demand must occur when the technician is servicing the vehicle, otherwise there is no problem to correct. It is most important to understand that electrical system faults always require inspection, and can include the vehicle working in any manner, or not working at all.

Like we noted in the last section, general diagnosis symptoms are the most vague of the bunch. There are several diagnostic spectrums, electrical diagnosis, drivability diagnostics, engine diagnostics, transmission diagnostics, and the list could continue for about 5 or 10 more spectrums of diagnostics. The most important take-away here, is that general diagnostics are diagnostics that have no other spectrum in which they fit, or the problem is unknown. This means that any vehicle left outside of a repair facility with the keys and an authorization to perform diagnosis will be diagnosed under the general diagnosis spectrum.

When the Check Engine Light comes on, you may experience engine performance issues such as poor acceleration, rough idling, or an engine that won't start. In some cases, no abnormal symptoms will be experienced. Other systems like the transmission or ABS can cause the Check Engine Light to illuminate and lights for those systems can come on at the same time. Similar lights may say "Check Engine Soon", "Malfunction Indicator Light" or just "Check". In rare case the engine can overheat.

What are the diagnostic steps to take for a check engine light on a 2015 Kia Soul EV?

When the check engine light illuminates on your 2015 Kia Soul EV, it's essential to approach the diagnosis systematically. Begin with the most straightforward checks, such as ensuring that the gas cap is securely tightened, as a loose or missing cap is a common culprit. If the light is flashing, this signals a serious problem, often related to engine misfires, which can lead to significant damage if not addressed promptly. Next, consider common issues like a faulty oxygen sensor, emissions control components, or a dirty mass airflow sensor, all of which can trigger the light. If these initial checks do not resolve the issue, utilize an OBD-II code reader to retrieve trouble codes from the vehicle's computer, providing insight into the specific problem areas. Additionally, inspect critical sensors and systems for any signs of malfunction. For the Kia Soul EV, pay special attention to the battery cooling system, as overheating can also activate the check engine light. If the problem persists or if you encounter a flashing light, it is advisable to consult a professional mechanic who can conduct a thorough diagnosis and ensure your vehicle is safely operational.

What are the common problems that could cause the check engine light to illuminate in a 2015 Kia Soul EV?

When the check engine light illuminates in a 2015 Kia Soul EV, it can be a source of concern for any DIY enthusiast. Understanding the common problems that may trigger this warning can help you diagnose and potentially resolve the issue without professional assistance. Simple issues like a loose or missing gas cap are often the easiest to fix; simply tightening or replacing the cap can sometimes turn the light off. However, if the problem persists, you may want to inspect the spark plugs, as old or dirty plugs can lead to engine misfires. More complex issues may involve sensors, such as a malfunctioning oxygen sensor or a dirty mass airflow sensor, both of which can significantly impact engine performance. Additionally, problems with the catalytic converter or emissions control components can indicate more serious concerns that require immediate attention to prevent further damage. Fuel injection system malfunctions and ignition system faults are also common culprits that can trigger the check engine light. Lastly, keep an eye out for a flashing check engine light, as this typically signals a severe engine misfire that could lead to catastrophic damage if not addressed promptly. By familiarizing yourself with these potential issues, you can take proactive steps to troubleshoot and maintain your vehicle effectively.

How urgent is it to address the check engine light on a 2015 Kia Soul EV?

When the check engine light illuminates on your 2015 Kia Soul EV, it serves as a crucial alert that should not be ignored. The urgency of addressing this warning can vary significantly based on accompanying symptoms. If the light appears alongside other warning indicators, such as the engine coolant temperature light, it signals a potentially serious issue like engine overheating, which demands immediate attention to avoid severe damage. Even in cases where the check engine light is the sole warning, it can indicate a range of problems, from minor sensor issues to more critical engine malfunctions. For DIY enthusiasts, it’s essential to understand that while some issues may seem trivial, neglecting them can lead to costly repairs and decreased vehicle performance. Therefore, conducting a thorough diagnostic check is advisable, as it can help pinpoint the exact problem and guide you on the necessary steps to take. Investing in a diagnostic tool can empower you to troubleshoot minor issues yourself, but remember that some situations may require professional intervention to ensure your vehicle remains safe and reliable on the road.

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