Frequently Asked Questions

What does it mean when the check engine light comes on in a 2022 Hyundai NEXO?

• A check engine light can indicate anything from a minor sensor fault to an issue impacting emissions or drivetrain components; for the 2022 Hyundai NEXO it can also relate to battery systems or fuel cell sensors.
• At Larry H. Miller Hyundai Peoria we run a full diagnostic, explain findings in plain language, and recommend the most cost-effective repair—often costing less than independent shops while delivering factory-quality service and OEM parts.
• Repairs covered under warranty must be completed at a certified dealership to preserve coverage; our team will confirm warranty eligibility before work begins.
• To address the issue quickly, schedule service online or check current offers on our service specials.
• We offer service financing so you can get service now and pay later, minimizing immediate out-of-pocket cost and protecting long-term value.

How long does a check engine light service take?

• Diagnostics typically take 30–90 minutes depending on the issue and whether further testing is needed; battery and sensor checks are often completed the same day at our Peoria service center.
• If parts or deeper repairs are required, we provide transparent timelines and cost estimates so you can make an informed decision.
• Our certified technicians work efficiently to reduce downtime, and we often complete repairs faster than independent shops because we have direct access to OEM parts and technical resources.
• To reserve a prompt slot, schedule appointment and view current incentives under service specials.

How much does a check engine light diagnostic cost for a 2022 Hyundai NEXO?

• Diagnostic prices vary by issue; typical diagnostics at our dealership start competitively and often provide greater immediate and long-term savings due to accurate diagnosis and correct OEM repairs.
• We provide upfront estimates and will discuss warranty coverage before any work proceeds. Repairs under warranty must be completed at a certified dealership to maintain coverage.
• Ask our service advisors about financing options so you can address urgent repairs now and pay over time without delay.
• Check our service specials for bundled offers that reduce total cost, then schedule service online to secure your appointment.

What is the most common reason for check engine light on a 2022 Hyundai NEXO?

• Common causes include sensor faults, charging or battery system alerts, or emissions-related sensors; because the NEXO is a hydrogen fuel-cell vehicle, sensor and high-voltage system checks are essential.
• Our dealership technicians are certified to diagnose hydrogen fuel-cell systems and battery components, ensuring accurate repairs that extend vehicle life.
• Choosing dealership service often reduces repeat visits—saving money over time—because we use OEM parts and follow manufacturer-recommended repairs.
• To address the most likely causes quickly, schedule service and ask about current service specials.

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

• Start with a professional diagnostic so codes are read correctly; avoid clearing the light yourself until the root cause is identified—this prevents masking intermittent or safety-related faults.
• Our technicians will check battery and charging systems, relevant sensors, and any stored codes to determine urgency and cost-effective next steps.
• We provide clear estimates, warranty verification, and service financing so you can address issues now and protect long-term value.
• Use our online tools to schedule appointment and review available service specials before arrival.