2020 Jeep Renegade Won't Start

Common Causes for Your 2020 Jeep Renegade 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 2020 Jeep Renegade 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 2020 Jeep Renegade won't start?

When your 2020 Jeep Renegade refuses to start, the first step is to check the battery, as a dead or weak battery is often the culprit behind starting issues. Ensure the battery terminals are clean and securely connected, and consider jump-starting the vehicle if necessary. If the battery is functioning well, the next logical step is to inspect the starter motor, as a malfunction here can prevent the engine from cranking. Following this, verify that there is sufficient fuel in the tank; sometimes, the simplest explanation is the correct one. If fuel levels are adequate, turn your attention to the ignition system, checking components like spark plugs and the ignition coil for any signs of wear or damage. Additionally, using an OBD-II scanner can help you identify any error codes that may indicate specific problems within the vehicle's systems. Lastly, don’t overlook the importance of inspecting fuses and relays associated with the starting system, as a blown fuse can easily disrupt the starting process. By systematically following these diagnostic steps, you can effectively identify and address the issue preventing your Jeep Renegade from starting.

What are the common problems that could cause a 2020 Jeep Renegade to not start?

When a 2020 Jeep Renegade fails to start, it can be frustrating, but understanding the common problems can help you diagnose the issue. One of the first things to check is the battery, as a dead or weak battery is often the culprit behind starting failures. Extreme weather conditions or simply an aging battery can lead to insufficient power. If the battery is functioning well, the next step is to inspect the starter; a faulty starter may not engage properly, preventing the engine from cranking. Additionally, issues within the fuel system, such as a clogged fuel filter or a malfunctioning fuel pump, can hinder fuel delivery, making it impossible for the engine to start. Don’t overlook the ignition switch, as a malfunction here can prevent the key from turning or engaging the starter. Spark plugs and ignition coils are also critical; worn or faulty spark plugs can disrupt ignition, while a failing ignition coil can prevent the spark needed to ignite the fuel. Lastly, consider the fuel pump relay and various sensors, such as the crankshaft or camshaft position sensors, which can also lead to starting issues if they fail. By systematically checking these components, you can effectively troubleshoot and resolve the starting problems with your Jeep Renegade.

How urgent is it to address the starting issue in my 2020 Jeep Renegade?

When faced with a starting issue in your 2020 Jeep Renegade, the urgency of addressing it cannot be overstated. Safety should always be your top priority; a vehicle that struggles to start can leave you vulnerable in emergency situations or lead to dangerous stalling while driving. Beyond safety, neglecting a starting problem can compromise your vehicle's performance, potentially causing further damage to critical components and resulting in more expensive repairs down the line. Additionally, the inconvenience of unexpected breakdowns can disrupt your daily routine, making it essential to tackle these issues as soon as they arise. By prioritizing timely repairs, you not only safeguard your well-being but also enhance the longevity and reliability of your Jeep Renegade, ensuring a smoother driving experience.

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