2017 Tesla S Has A Check Engine Light

Troubleshooting the Check Engine Light in Your 2017 Tesla S: 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 2017 Tesla S 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 2017 Tesla S 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.

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 initial diagnostic steps to take for a check engine light on a 2017 Tesla S?

When faced with a check engine light on your 2017 Tesla Model S, it's crucial to approach the situation methodically. Start by checking for any immediate issues such as unusual noises or performance problems that could indicate a more serious concern. Next, inspect the gas cap; a loose or improperly sealed cap is a common culprit for triggering the check engine light. After that, take a moment to review your dashboard for any additional alerts that might provide further insight into the problem. Utilizing a diagnostic tool can be particularly helpful, as it allows you to scan for error codes that pinpoint the specific issue at hand. Don't forget to consult your owner's manual, which can offer valuable information on interpreting the check engine light and suggest appropriate actions. If you find yourself uncertain or unable to resolve the issue, reaching out to Tesla Service for professional assistance is always a wise choice. By following these steps, you can effectively diagnose and address the check engine light, ensuring your Tesla remains in optimal condition.

What are the common problems that could cause the check engine light to activate in a 2017 Tesla S?

When the check engine light illuminates in a 2017 Tesla Model S, it can signal a range of issues that are unique to electric vehicles. One of the primary concerns is a battery system malfunction, which may stem from battery degradation or faults within the battery management system. Additionally, problems with the charging system, such as a faulty charging port or issues with the onboard charger, can also trigger this warning light. Another potential cause is related to the electric motor or inverter, where malfunctions can lead to performance issues. Sensor failures, particularly those monitoring temperature or pressure, may also result in the check engine light activating. Lastly, software glitches within the vehicle's onboard systems can erroneously cause the light to turn on. For DIY enthusiasts, it is crucial to address these issues promptly to maintain the vehicle's performance and safety, and while some problems may be diagnosed at home, consulting a certified Tesla technician is advisable for accurate troubleshooting and repairs.

How urgent is it to address the check engine light in a 2017 Tesla S?

Addressing the check engine light in a 2017 Tesla Model S is not just a matter of convenience; it is crucial for maintaining the vehicle's safety and performance. The check engine light serves as a vital warning system, alerting drivers to potential issues within the vehicle's complex electronic systems, including the powertrain and emissions controls. Ignoring this warning can lead to escalating problems, ranging from minor malfunctions to severe mechanical failures that could compromise safety and result in costly repairs. Given that Tesla vehicles are heavily reliant on advanced technology, timely diagnosis and resolution of any issues indicated by the check engine light are essential. By taking immediate action, you can prevent minor issues from developing into major complications, ensuring that your Tesla Model S remains efficient and safe on the road. Therefore, if the check engine light illuminates, it is imperative to investigate the cause without delay, either through self-diagnosis or by consulting a qualified technician.

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