2018 Chevrolet Bolt EV Won't Start

Common Causes for Your 2018 Chevrolet Bolt EV Not Starting and How to Resolve Them

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Reviewed by
Devin Cabugcal
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 2018 Chevrolet Bolt EV 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 why my 2018 Chevrolet Bolt EV won't start?

When diagnosing why your 2018 Chevrolet Bolt EV won't start, it's essential to adopt a systematic approach that begins with the simplest solutions before moving on to more complex diagnostics. Start by checking the battery, as a dead or weak battery is a common culprit; ensure it is fully charged and that the terminals are clean and securely connected. Next, inspect the fuses for any that may be blown, as this can disrupt the starting system. If the battery and fuses are in good condition, examine the starter motor to confirm it is functioning properly. Additionally, verify that there is enough fuel in the tank, as low fuel levels can prevent the engine from starting. Utilizing a diagnostic tool to check for error codes can provide valuable insights into any underlying issues. Don't overlook the ignition system; inspect the ignition switch, spark plugs, and ignition coil for potential problems. Lastly, ensure that the vehicle's security system is not inadvertently preventing the start. If these steps do not resolve the issue, it may be time to consult a professional mechanic for further assistance. By following this structured diagnostic approach, you can effectively identify and address the reasons your Chevrolet Bolt EV is not starting.

What are the common problems that could cause a 2018 Chevrolet Bolt EV to not start?

When your 2018 Chevrolet Bolt EV refuses to start, several common issues may be at play. A dead or weak battery is often the first suspect, as it can stem from a faulty battery or problems within the charging system. If the battery checks out, the next area to investigate is the starter motor; a malfunctioning starter can prevent the engine from turning over. Additionally, the ignition switch may be the culprit, particularly if the key is worn or the ignition cylinder is faulty. Fuel system problems, such as a clogged fuel filter or a malfunctioning fuel pump, can also hinder the engine's ability to start. Don't overlook the spark plugs, as worn or faulty plugs can lead to ignition issues. Lastly, electrical system problems, including faulty wiring or a malfunctioning control module, can significantly impact the starting process. By systematically checking these components, you can identify the root cause of the starting issue and take appropriate action to resolve it.

How urgent is it to address the starting issue in a 2018 Chevrolet Bolt EV?

When dealing with a starting issue in a 2018 Chevrolet Bolt EV, it is essential to recognize the urgency of the situation. A malfunctioning start can not only compromise the vehicle's performance but also pose significant safety risks. If the vehicle struggles to start or stalls unexpectedly, it can endanger the driver, passengers, and others on the road. Moreover, neglecting these symptoms can lead to more severe problems, such as damage to the battery or electrical systems, which could result in costly repairs. For those still under warranty, timely intervention is crucial to ensure that repairs are covered, minimizing out-of-pocket expenses. Therefore, addressing starting issues promptly is vital for maintaining the vehicle's reliability, ensuring safety, and preventing further damage, making it a priority for any DIY enthusiast looking to keep their Chevrolet Bolt EV in optimal condition.

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