Frequently Asked Questions

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

• Inspect obvious, simple items first: ensure the gas cap is properly closed or, for an electric vehicle like the 2021 Hyundai Kona Electric, check charging connection and any recent charging issues.
• Look for fluid leaks, unusual smells, or smoke and stop driving if anything appears dangerous.
• Note any recent symptoms—loss of power, unusual noise, or extreme drivability problems—so our technicians can reproduce and diagnose faster.
• Bring your Kona Electric to Nalley Hyundai in GA for a certified diagnostic; repairs covered under warranty must be performed at a certified dealership to remain valid.

How long does a check engine light service take?

• Most initial diagnostics at Nalley Hyundai take about 30–90 minutes depending on the code complexity and whether a test drive or live data capture is needed.
• If further testing or parts are required, full repairs may take longer; we provide clear time estimates before work begins.
• Our factory-trained technicians use OEM tools to speed diagnosis and reduce repeat visits—saving you both time and long-term expense.
• We can often complete warranty-covered repairs faster at our certified dealership, ensuring proper parts and documentation.

What does it mean when the check engine light comes on in a 2021 Hyundai Kona Electric?

• On an electric Kona, the warning can indicate electrical system faults, battery management or thermal issues, charger or charging port faults, or sensor failures.
• Some codes are minor and informational, while others can affect range, charging, or safety—so prompt diagnosis is important.
• At Nalley Hyundai we use OEM-level scanning tools that read manufacturer-specific codes and live data for accurate troubleshooting.
• Choosing our dealership often costs less than independent shops over time thanks to precise diagnosis, OEM parts, factory-trained technicians, and warranty protection.

How much does a check engine light diagnostic cost for a 2021 Hyundai Kona Electric?

• Diagnostic fees vary by the depth of testing; many dealerships offer competitive flat-rate scans, often lower than independent shops when you factor in accuracy and included test drives.
• Nalley Hyundai provides clear estimates before any extended diagnostics or repairs begin, and we can apply promotional service specials when available.
• Immediate savings come from accurate diagnosis that prevents unnecessary parts replacement; long-term savings come from correct repairs, OEM parts, and warranty protection.
• Remember: repairs covered under warranty must be performed at a certified dealership to keep coverage valid—our factory-trained technicians and documented repairs protect you long-term.

What is the most common reason for check engine light on a 2021 Hyundai Kona Electric?

• Common causes include sensor failures (temperature, voltage, or battery-management sensors), charging system faults, and occasional software or control module alerts.
• Less common but more serious causes include battery thermal management issues or power electronics faults that can affect drivability or range.
• Prompt dealer diagnosis prevents escalation; an unresolved sensor or charging fault can lead to reduced range or more costly repairs down the road.
• For accurate, warranty-protecting repairs and the best long-term value, bring your Kona Electric to Nalley Hyundai in GA where OEM tools and trained technicians handle EV systems correctly.