2016 Subaru Outback Won't Start

Resolve Starting Issues for Your 2016 Subaru Outback

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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 Outback 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 for a 2016 Subaru Outback that won't start?

When faced with a 2016 Subaru Outback that won't start, begin your diagnostic journey by checking the battery, as it is often the most straightforward issue to address. Inspect the battery for signs of wear, such as corrosion on the terminals or a weak charge indicated by dim headlights. If the battery appears functional, shift your focus to the alternator, which is responsible for charging the battery while the engine runs. Look for warning lights on the dashboard and listen for unusual sounds that may suggest alternator failure. If the engine fails to crank entirely, the starter motor may be at fault; a clicking noise during ignition attempts can confirm this. Additionally, inspect the wiring for any loose connections, particularly around the starter, as these can lead to starting problems. Don't overlook the electronic parking brake and brake control systems, as issues here can also prevent the vehicle from starting. If the engine cranks but does not start, investigate the fuel and ignition systems, as they are crucial for engine operation. Lastly, consider checking for parasitic battery drains and use a code reader to identify any diagnostic trouble codes that could provide further insights into the problem. By following this structured approach, you can effectively narrow down the potential causes of your Subaru's starting issues and determine the best course of action for repair.

What are the common problems that could cause a 2016 Subaru Outback to not start?

When troubleshooting a 2016 Subaru Outback that won't start, it's essential to consider several common problems that could be at play. One of the primary culprits is battery issues, which can arise from leaving lights on or inherent design flaws that lead to excessive battery drain. If the battery is weak or dead, the vehicle simply won't start. Another significant factor could be a faulty alternator, which is responsible for charging the battery while the engine runs; symptoms of alternator failure include dim headlights and warning lights on the dashboard. Additionally, a malfunctioning starter motor may prevent the engine from cranking, often indicated by clicking or grinding noises when attempting to start the vehicle. Fuel system complications, such as a clogged fuel filter or a damaged fuel pump relay, can also hinder the engine's ability to start by restricting fuel flow. Furthermore, electrical system issues, including blown fuses or damaged wiring, can disrupt the starting process, as modern vehicles rely heavily on electronic components. For the 2016 model specifically, many owners have reported persistent dead battery issues, even after replacements, often linked to electrical glitches that drain the battery when the vehicle is off. Addressing these common problems systematically can help you identify the root cause of your Subaru Outback's starting issues.

How urgent is it to address the starting issue in a 2016 Subaru Outback?

Addressing the starting issue in a 2016 Subaru Outback is of utmost urgency due to several critical factors. First and foremost, a vehicle that fails to start can pose significant safety risks, particularly if it occurs in remote or hazardous locations where help may not be readily available. Additionally, many Subaru Outback owners have reported persistent starting problems, often despite multiple repairs, indicating that the underlying issue may not be easily resolved. Ignoring these symptoms can lead to further complications, such as damage to the electrical system or starter motor, which could result in more costly repairs down the line. Moreover, if the vehicle is still under warranty, prompt attention to these issues can ensure that necessary repairs are covered, preventing unexpected expenses. Therefore, it is essential to consult with a qualified mechanic or dealership to diagnose and address the root cause of the starting problem as soon as possible, ensuring both safety and reliability in your vehicle.

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