2019 Tesla 3 Won't Start

Common Causes for Your 2019 Tesla 3 Not Starting and How to Resolve Them

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
38% chance it's the
Battery
0%
27% chance it's the
Alternator
0%
20% chance it's the
Starter
0%
15% chance it's
Something else
The most common reasons a 2019 Tesla 3 won't start are a dead battery, an alternator problem, or failed starter.
  • Battery: A weak or failing battery can result in difficulty starting the engine and electrical system malfunctions.
  • Alternator: A failing alternator can result in insufficient electrical power, leading to battery drain and electrical system malfunctions.
  • Starter: A faulty starter motor or a weak battery can prevent the engine from cranking properly, leading to starting issues.
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.

What are the initial diagnostic steps to take when a 2019 Tesla 3 won't start?

When faced with a 2019 Tesla Model 3 that won't start, it's essential to approach the situation methodically to identify the root cause. Begin by checking the battery level, as a low charge can prevent the vehicle from starting. You can easily verify this through the dashboard or the Tesla mobile app. Next, inspect the key fob to ensure it has sufficient battery power and is within range; if necessary, try using a spare key fob. If these initial checks do not resolve the issue, attempt to restart the car by pressing the brake pedal and holding it while pressing the power button. Pay attention to any error messages displayed on the dashboard, as these can provide valuable clues about the problem. Additionally, confirm that the vehicle is in Park or Neutral and that the parking brake is disengaged, as these factors are crucial for starting the car. If all else fails, reaching out to Tesla support can provide further assistance and remote diagnostics to help you get back on the road. By following these steps, you can effectively troubleshoot the starting issue and potentially resolve it without needing professional help.

What are the common problems that could cause a 2019 Tesla 3 to not start?

When troubleshooting a 2019 Tesla Model 3 that won't start, it's essential to consider several common problems that could be at play. One of the first things to check is the battery, as a low or dead battery is a frequent culprit. This can happen due to various reasons, such as leaving the lights on or extreme weather conditions affecting battery performance. Additionally, ensure that the key fob is functioning correctly; a malfunctioning key fob can prevent the vehicle from recognizing your attempt to start it. If the key fob battery is low or if there are issues with signal transmission, this could be the source of the problem. Software glitches can also hinder the starting process, so checking for any necessary software updates or performing a reset may resolve the issue. Furthermore, confirm that the vehicle is adequately charged, as insufficient charge can lead to starting failures. Lastly, inspect the charging equipment, including the cable and adapter, for any faults that might be preventing the car from charging properly. By systematically addressing these common issues, you can effectively troubleshoot and potentially resolve the starting problems with your Tesla Model 3.

How urgent is it to address the starting issue in a 2019 Tesla 3 that won't start?

When your 2019 Tesla Model 3 won't start, the urgency to address the issue cannot be overstated. Ignoring this problem can lead to serious safety concerns, particularly if the vehicle fails to start in critical situations, such as during emergencies or adverse weather conditions. Additionally, delaying repairs can exacerbate the issue, potentially causing further damage to essential components of the vehicle, which may result in more expensive repairs down the line. Moreover, a reliable vehicle is crucial for daily transportation; addressing the starting issue promptly ensures that you can depend on your Tesla without the fear of unexpected breakdowns or delays. Therefore, it is essential to take immediate action to diagnose and resolve the starting problem, safeguarding both your safety and your investment in the vehicle.

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Troubleshooting 2019 Tesla Model 3 Starting Issues