2016 Subaru BRZ Won't Start

Common Causes for Your 2016 Subaru BRZ Not Starting and How to Resolve Them

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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 2016 Subaru BRZ 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 2016 Subaru BRZ to not start?

When your 2016 Subaru BRZ refuses to start, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. One of the first things to check is the 12v battery; a dead battery is often the culprit behind starting issues. If the battery is drained, you can attempt to jump-start the vehicle using jumper cables and another car with a functional battery. If the engine cranks but doesn’t start, the issue may lie with the starter, which could be malfunctioning. Additionally, a faulty alternator can lead to starting problems, often indicated by dim or flickering dashboard lights and unusual clicking sounds when you try to start the engine. Lastly, a cracked flex plate can also prevent the engine from cranking, leading to a no-start condition. By systematically checking these components, you can identify the root cause of the starting issue and take the necessary steps to resolve it.

How urgent is it to address the starting issue in a 2016 Subaru BRZ that won't start?

When your 2016 Subaru BRZ won't start, the urgency of addressing the issue cannot be overstated. Ignoring this problem can lead to safety concerns, as a non-starting vehicle can leave you stranded in potentially dangerous situations. Additionally, delaying repairs may result in further damage to the car, leading to more extensive and costly repairs down the line. Early diagnosis is crucial; identifying the root cause of the starting issue can streamline the repair process and minimize inconvenience. By taking prompt action, you not only ensure your safety but also maintain the reliability of your vehicle, preventing unexpected breakdowns that could disrupt your daily routine. Therefore, it is essential to prioritize resolving starting issues swiftly to safeguard both your well-being and your vehicle's performance.

What are the initial diagnostic steps to take for a 2016 Subaru BRZ that won't start?

When your 2016 Subaru BRZ refuses to start, the first step is to check the battery, as a weak or dead battery is often the culprit behind starting issues. Ensure that the battery is securely connected and has sufficient charge. Next, inspect the battery cables for any signs of corrosion or damage, as faulty cables can hinder the flow of electricity necessary for starting the vehicle. If the battery and cables appear to be in good condition, consider the alternator; a malfunctioning alternator can drain the battery and lead to starting problems, so it’s wise to have it tested. Additionally, listen for any unusual sounds when attempting to start the car, as these could indicate a faulty starter motor. Don’t overlook the possibility of rodent damage; inspect the wiring under the vehicle for any signs of chewing that could disrupt electrical connections. Finally, if these initial checks do not resolve the issue, performing a diagnostic test can provide deeper insights into the problem, helping you identify the specific cause of the starting failure. By following this structured approach, you can effectively troubleshoot and potentially resolve the starting issues with your Subaru BRZ.

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2016 Subaru BRZ Won't Start Common Causes Explained