2020 Subaru Crosstrek Won't Start

Resolve Starting Issues with Your 2020 Subaru Crosstrek

Find Repair Location
Reviewed by
Aisha
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 Subaru Crosstrek 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 steps should I take to diagnose the starting issue in my 2020 Subaru Crosstrek?

When diagnosing a starting issue in your 2020 Subaru Crosstrek, it's essential to adopt a systematic approach that begins with the simplest checks before progressing to more complex diagnostics. Start by examining the battery, as a weak or dead battery is a common culprit for starting problems. Ensure the battery terminals are clean and securely connected, and test the voltage to confirm it holds a charge. Next, listen for any clicking sounds when you turn the key, which may indicate a malfunctioning starter. If the starter seems fine, check the fuel system by verifying that there is fuel in the tank and that the fuel pump is operational. Following this, inspect the ignition system, ensuring the ignition switch works correctly and that the spark plugs and ignition coils are in good condition. Utilizing an OBD-II scanner can help identify any error codes that may point to specific issues. Additionally, test the alternator to confirm it is charging the battery effectively. If all these components check out, consider examining the Engine Control Module (ECM) for any faults. By following this structured diagnostic approach, you can effectively identify and address the starting issue in your Subaru Crosstrek.

What are the common problems that could cause a 2020 Subaru Crosstrek to not start?

When your 2020 Subaru Crosstrek won't start, identifying the underlying issues can save you time and money. Start by checking the battery, as a dead or weak battery is often the primary reason for starting failures. If the battery is in good condition, the next step is to examine the starter motor; a malfunctioning starter can prevent the engine from turning over. Fuel delivery is another critical factor; ensure that the fuel filter isn't clogged and that the fuel pump is functioning properly. Additionally, inspect the ignition switch, as a faulty switch can disrupt the electrical system's operation. Worn spark plugs can also lead to ignition issues, making it difficult for the engine to start. Don't forget to check the ignition system components, such as the ignition coil, which can also cause starting problems. Lastly, consider the fuel system; blockages or issues with fuel injectors can hinder performance. If your vehicle's security system is malfunctioning, it may inadvertently prevent the car from starting. By methodically addressing these common problems, you can effectively troubleshoot and resolve the starting issues with your Subaru Crosstrek.

How urgent is it to address the starting issue in a 2020 Subaru Crosstrek?

When dealing with starting issues in a 2020 Subaru Crosstrek, understanding the urgency of the situation is crucial. If the vehicle exhibits intermittent starting problems, it may seem less pressing; however, even minor issues can escalate into complete failures, leaving you stranded. Safety is paramount, as an unexpected failure to start can pose risks not only to the driver but also to passengers and other road users. Moreover, delaying repairs can lead to further damage, potentially resulting in more expensive fixes down the line. A reliable vehicle is essential for daily activities, and addressing starting issues promptly ensures that your Crosstrek remains dependable. Therefore, it is advisable to take any starting problem seriously and seek solutions quickly to maintain safety, prevent additional damage, and ensure the vehicle's reliability.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

2020 Subaru Crosstrek Won't Start: Causes & Solutions