2012 Fiat 500 Won't Start

Common Causes for Your 2012 Fiat 500 Not Starting and How to Resolve Them

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Reviewed by
Bo Fader
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 2012 Fiat 500 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 when a 2012 Fiat 500 won't start?

When your 2012 Fiat 500 refuses to start, the first step is to check the battery, as a weak or dead battery is often the primary reason for starting issues. Ensure the battery is charged and performing adequately by testing its voltage; the engine requires at least 12 volts to crank. If the battery checks out, the next component to inspect is the starter. Look for any signs of damage or corrosion, particularly on the battery cable connections, which can lead to intermittent starting problems. If the starter appears functional, turn your attention to the ignition system. Verify that there is a spark when attempting to start the vehicle; if not, further testing of the ignition circuit may be necessary. By systematically addressing these components, you can effectively narrow down the cause of the starting issue and take the appropriate steps to resolve it.

How urgent is it to address the starting issue in a 2012 Fiat 500?

Addressing the starting issue in your 2012 Fiat 500 is crucial and should not be postponed. Ignoring these problems can escalate into more severe complications, potentially leaving you stranded and facing costly repairs. The starting issues in this model are often linked to faulty bolts on the resonator, which can disrupt the grounding and lead to starter malfunctions. By addressing these symptoms promptly, you not only ensure the reliable operation of your vehicle but also mitigate the risk of safety hazards on the road. Taking immediate action can save you time, money, and the inconvenience of unexpected breakdowns, making it essential to prioritize any starting problems you encounter.

What are the common problems that could cause a 2012 Fiat 500 to not start?

When your 2012 Fiat 500 refuses 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 12v battery; a dead battery is often the primary reason for starting failures. If the battery is functional, inspect the terminals for corrosion, as this can impede the electrical connection necessary for starting the vehicle. Additionally, consider the key fob; a dead battery in the fob can prevent the car from recognizing the key, leading to starting issues. If corrosion is present on the terminals, it may be due to moisture or debris, which can disrupt the flow of electricity. Lastly, if all else seems fine, the starter itself may be at fault, requiring further diagnostic testing or repair. By systematically checking these areas, you can identify and potentially resolve the starting issues with your Fiat 500.

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