2016 Acura RLX Won't Start

Common Causes for Your 2016 Acura RLX Not Starting and How to Resolve Them

Find Repair Location
Reviewed by
Andrew Hajjar
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 Acura RLX 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 initial diagnostic steps to take for a 2016 Acura RLX that won't start?

When your 2016 Acura RLX refuses to start, begin your diagnostic process by checking the basics. First, determine if the engine is cranking when you turn the key; a lack of cranking often points to battery or starter issues. If you hear clicking sounds, this may indicate a malfunctioning starter. Next, inspect the battery cables for any damage or corrosion, as these can significantly impact the vehicle's ability to start. Ensure the 12v battery is in good condition, as a dead battery is a common culprit in starting failures. Additionally, check for corrosion on the battery terminals, which can obstruct electrical flow. Don’t forget to verify the key fob battery, as a dead fob can prevent the car from starting. Lastly, examine the vehicle's electrical connections for any signs of poor connectivity, which could also lead to starting problems. By following these steps, you can effectively narrow down the potential causes of your starting issue and take the necessary actions to resolve it.

What are the common problems that could cause a 2016 Acura RLX to not start?

When your 2016 Acura RLX refuses to start, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the first things to check is the battery; a dead or weak 12v battery is often the primary reason for starting failures, leading to slow or no cranking. If the battery seems fine, the next component to investigate is the alternator, as it plays a crucial role in charging the battery while the engine runs. A malfunctioning alternator can leave your battery drained, preventing the car from starting. Additionally, the starter itself may be at fault; if it’s not functioning properly, the engine won’t crank as it should. Lastly, consider potential engine-related issues, such as a faulty crankshaft or other internal components, which can lead to severe starting problems. By systematically checking these areas, you can identify the root cause of the starting issue and take the necessary steps to resolve it, ensuring your Acura RLX is back on the road in no time.

How urgent is it to address the starting issue in a 2016 Acura RLX?

When dealing with a starting issue in a 2016 Acura RLX, understanding the urgency of the situation is crucial. If your vehicle exhibits symptoms such as a slow cranking engine or failure to start, it is likely indicative of a weak or dead battery, which should be tested immediately to prevent being stranded. Additionally, if the starter is grinding or spinning without engaging properly, this could signal a misalignment that, if left unaddressed, may lead to more severe damage to the starter or other components. Ignoring these signs not only poses safety risks, such as being unable to start your vehicle in critical situations, but can also escalate into costly repairs if the underlying issues are not resolved promptly. Regular maintenance and immediate attention to any starting problems are essential for ensuring the reliability and longevity of your Acura RLX, making it imperative to act swiftly when symptoms arise.

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.

2016 Acura RLX Won't Start? Common Issues & Repair Costs