2020 Chevrolet Bolt EV Won't Start

Resolve Starting Issues with Your 2020 Chevrolet Bolt EV

Find Repair Location
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 2020 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 2020 Chevrolet Bolt EV won't start?

When diagnosing why your 2020 Chevrolet Bolt EV won't start, it's essential to adopt a systematic approach that begins with the simplest solutions before progressing to more complex diagnostics. Start by checking the battery, as a weak or dead battery is often the primary culprit behind starting issues. Ensure that the battery is fully charged and in good condition. Next, inspect the fuses related to the starting system; a blown fuse can easily disrupt the starting process. If these initial checks do not resolve the issue, examine the starter motor to confirm it is functioning correctly. Additionally, verify that there is an adequate fuel level in the tank, as low fuel can prevent the engine from starting. Utilizing an OBD-II scanner to check for error codes can provide valuable insights into any underlying problems. Don't overlook the ignition system; inspect components like spark plugs and ignition coils for faults. It's also crucial to ensure the fuel system is operational, particularly the fuel pump, to guarantee proper fuel delivery to the engine. Lastly, look for any signs of corrosion on battery terminals or electrical connections, as this can lead to poor connectivity. If these steps do not yield results, consulting a professional mechanic may be necessary for a thorough diagnosis. By following this structured approach, you can effectively troubleshoot the starting issue with your Chevrolet Bolt EV.

What are the common problems that could cause a 2020 Chevrolet Bolt EV to not start?

When troubleshooting a 2020 Chevrolet Bolt EV that won't start, it's essential to consider several common problems that could be at play. A dead battery is often the first suspect; this can occur from leaving lights on or due to an aging battery that may need replacement. If the battery is functioning, the next area to investigate is the starter motor, as a faulty starter can prevent the engine from cranking. Additionally, issues with the ignition switch, such as a poor connection or a worn key, can also hinder the starting process. Fuel system problems, including a clogged fuel filter or a malfunctioning fuel pump, may restrict the engine's access to fuel, while worn-out spark plugs can lead to ignition failures. Lastly, a malfunctioning security system, particularly with the immobilizer or key fob, can block the vehicle from starting. By systematically checking these components, you can identify the underlying issue and take appropriate action to get your Bolt EV back on the road.

How urgent is it to address the starting issue in a 2020 Chevrolet Bolt EV?

When dealing with a starting issue in a 2020 Chevrolet Bolt EV, the urgency of the situation cannot be overstated. Safety should always be the top priority; if the vehicle struggles to start or stalls unexpectedly, it poses a significant risk not only to the driver but also to passengers and other road users. Additionally, a malfunctioning start can lead to decreased vehicle performance, resulting in frustrating inconveniences and the possibility of being stranded. Ignoring these symptoms may lead to more severe problems, potentially causing damage to critical components, which can escalate repair costs significantly. For those whose vehicles are still under warranty, timely intervention is crucial, as it ensures that necessary repairs are covered, ultimately saving money. Therefore, addressing starting issues promptly is essential to maintain the safety, reliability, and efficiency of your Chevrolet Bolt EV, making it a wise choice for any DIY enthusiast looking to keep their vehicle in optimal condition.

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.