Frequently Asked Questions

What does it mean when the check engine light comes on in a 2020 Chevrolet Bolt EV?

• It signals that the vehicle’s onboard diagnostics detected an issue — often related to emissions, battery management, inverter, or charging systems on an electric vehicle.
• At Larry H. Miller Casa Chevrolet in Albuquerque, our certified technicians run a full diagnostic that identifies the exact code and the priority for repair, helping avoid long-term damage and higher costs.
• Choosing our dealership can cost less than many independent shops when you factor in accurate diagnostics, OEM parts, and reduced repeat repairs — delivering immediate and long-term savings.
• Remember: repairs covered under warranty must be performed at a certified dealership to keep coverage valid.
• We offer service financing so you can get repairs now and pay later — to schedule service or learn about current service specials, visit our service pages.

How long does a check engine light service take?

• Most diagnostics are completed within an hour; simpler fixes may be same-day while complex battery or powertrain repairs can take longer.
• At Larry H. Miller Casa Chevrolet, we prioritize transparency and speed — you’ll get a clear timeline and cost estimate after diagnostics so you can plan accordingly.
• Using OEM parts and factory procedures often keeps your vehicle on the road longer and reduces the need for additional visits, saving you money over time.
• To schedule appointment quickly, use our online scheduler or check current service specials for discounts.

How much does a check engine light diagnostic cost for a 2020 Chevrolet Bolt EV?

• Diagnostic pricing varies by issue, but Larry H. Miller Casa Chevrolet often provides competitive pricing versus independent shops while delivering factory-trained expertise and warranties that protect your investment.
• We emphasize immediate and long-term savings: accurate diagnostics prevent unnecessary part swaps and help preserve battery life and vehicle range.
• We also offer service financing options so you can address issues now and pay over time.
• Check our service specials for current offers and use our service scheduler to book an inspection.

What is the most common reason for check engine light on a 2020 Chevrolet Bolt EV?

• Common causes include battery management or charging system alerts, inverter or motor controller faults, and sensor errors — each can affect range or drivability if unaddressed.
• Our technicians use GM-specific diagnostic tools to read EV-specific codes and recommend the proper repair to protect battery health and long-term performance.
• Getting timely service at our dealership often reduces repair scope and cost compared to delayed repairs, delivering better value and longevity for your vehicle.
• Book with confidence — we honor warranties and provide clear estimates and financing options to help you stay safe on the road.

What is the first thing to check when the check engine light comes on?

• Start with a full scan of the vehicle’s diagnostic codes performed by a certified technician to determine severity (non-urgent vs. urgent/flashing).
• At Larry H. Miller Casa Chevrolet we check battery state-of-charge, charging system health, and any stored EV-specific codes to avoid unnecessary component replacement.
• We’ll explain your options, costs, and the long-term benefits of OEM repairs and factory-trained service; repairs under warranty must be done at a certified dealer to stay valid.
• To get inspected, schedule service or view our service specials for seasonal savings.