2012 Kia Sorento Won't Start

Common Causes for Your 2012 Kia Sorento 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 2012 Kia Sorento 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 due to insufficient power supply.
  • Alternator: A failing alternator can result in insufficient electrical power to the vehicle, 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 common problems that could cause a 2012 Kia Sorento to not start?

When a 2012 Kia Sorento fails to start, several common problems may be at play, and understanding these can empower DIYers to diagnose and potentially resolve the issue. One of the first components to check is the battery; a weak or dead battery is often the primary culprit behind starting failures. Testing the battery's voltage can reveal whether it needs a jump start or replacement. If the battery is in good condition, the next step is to inspect the starter. A faulty starter can prevent the engine from cranking, and if it shows signs of wear or failure, replacing it may be necessary. Additionally, the alternator plays a crucial role in maintaining battery charge; if it is malfunctioning, it can lead to starting issues as well. For those experiencing cranking without starting, the problem may lie in the air, fuel, or spark delivery systems. Utilizing an OBDII scanner can help identify any trouble codes that point to specific issues. Lastly, for models equipped with a push-button start, a dead key fob can also hinder the starting process, so checking the fob's battery is a wise step. By systematically evaluating these components, DIYers can effectively troubleshoot and address the starting problems of their Kia Sorento.

What are the initial diagnostic steps to take when a 2012 Kia Sorento won't start?

When your 2012 Kia Sorento won't start, it's essential to adopt a methodical diagnostic approach to identify the underlying issue. Begin by checking the battery, as a weak or dead battery is a common culprit; ensure it has at least 12.7 volts. If the battery is in good condition, move on to inspect the ignition switch for any faults that could prevent the vehicle from starting. Next, consider the starter; a malfunctioning starter can also lead to starting problems, so verify its functionality. Additionally, look for signs of rodent damage under the vehicle, as chewed wires can disrupt electrical connections. It's also crucial to examine the electrical system, including fuses and relays, since these components play a vital role in the starting process. If you hear a clicking sound when attempting to start, check for corroded battery terminals, which can impede current flow. Finally, if these steps do not resolve the issue, consider performing a diagnostic test or consulting a professional to accurately pinpoint the problem. By following this structured approach, you can effectively troubleshoot and potentially resolve the starting issue with your Kia Sorento.

How urgent is it to address the starting issue in a 2012 Kia Sorento?

Addressing a starting issue in a 2012 Kia Sorento is crucial and should be treated with urgency. The vehicle has a history of electrical system problems, and delaying repairs can lead to more severe failures that compromise the vehicle's reliability. Additionally, engine failures are a significant concern for this model; ignoring a starting issue could escalate into costly repairs or even engine replacement. Safety is another critical factor, as the 2012 Kia Sorento has been subject to recalls for engine failures and fuel leaks, which pose serious fire hazards. By promptly addressing starting issues, you not only enhance the safety of your vehicle but also potentially save on repair costs, as the average annual repair expense is relatively low. Therefore, it is advisable to take immediate action to resolve any starting problems to ensure the vehicle's longevity and your peace of mind.

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