Battery Services & Engine Light Diagnostics — 2016 Hyundai Sonata Plug-in Hybrid

At Larry H. Miller Hyundai Peoria in Peoria, AZ, our certified technicians specialize in battery services, replacements, and engine-light diagnostics for the 2016 Hyundai Sonata Plug-in Hybrid. We use OEM parts, factory diagnostic tools, and offer transparent pricing, service financing, and same-day options when possible. Explore our service specials to save or schedule service online now.

What does it mean when the check engine light comes on in a 2016 Hyundai Sonata Plug-in Hybrid?

• Possible causes: faulty oxygen sensor, loose gas cap, catalytic converter issues, emission control faults, or battery/charging system alerts specific to plug-in hybrids.
• Dealership advantage: Larry H. Miller Hyundai Peoria runs full OEM diagnostics to pinpoint issues quickly, reducing unnecessary repairs and long-term costs.
• Warranty & repairs: If a covered repair is required, it must be completed at a certified dealership to preserve warranty protections.
• Save now and later: Our accurate diagnosis and OEM parts often cost less than independent shops over time due to fewer repeat repairs and higher resale value.
• Ready to act? Schedule service or check our service specials. We also offer service financing to get repairs done now and pay later.

How long does a check engine light service take?

• Typical diagnostics: 30–90 minutes for full code retrieval and initial testing, longer if road testing or component replacement is needed.
• Efficient process: Our factory-trained technicians at Larry H. Miller Hyundai Peoria follow a streamlined workflow to return your 2016 Hyundai Sonata Plug-in Hybrid to safe operation as quickly as possible.
• Express options: In many cases we can perform same-day repairs using OEM parts; ask about appointment windows when you schedule appointment.
• Service value: Choosing our dealership often yields immediate savings (accurate fixes, fewer callbacks) and long-term savings (warranty coverage and OEM longevity).

How much does a check engine light diagnostic cost for a 2016 Hyundai Sonata Plug-in Hybrid?

• Diagnostic price: We price competitively — our diagnostics often cost less than independent shops while delivering higher-value factory service and documentation.
• Transparent estimate: After diagnosis you’ll receive a clear, itemized estimate showing parts, labor, and any available discounts from our service specials.
• Financing: We provide service financing so you can repair today and pay over time, preserving vehicle health and resale value.
• Schedule: Book online to expedite your visit: schedule service.

What is the most common reason for check engine light on a 2016 Hyundai Sonata Plug-in Hybrid?

• Most common: oxygen sensor failures, EV battery charging/management alerts, or catalytic converter issues; plug-in hybrids have additional hybrid-system codes to evaluate.
• Accurate diagnosis matters: Our technicians use Hyundai-specific scan tools to isolate hybrid-system codes versus conventional engine faults.
• Long-term savings: Timely dealer service prevents cascading failures and preserves fuel economy and battery life.
• Book with confidence via our online schedule appointment tool and check current service specials.

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

• Quick checks: ensure the gas cap is secure, look for low-charge or battery warnings, and note if the light is steady or flashing.
• Immediate action: a flashing light indicates a possible severe problem—stop driving and contact our service team at Larry H. Miller Hyundai Peoria.
• Dealer benefit: We record diagnostics to protect your vehicle history and warranty; repairs covered under warranty must be completed at a certified dealership for coverage.
• Get started: Schedule service or review our service specials to save on your visit.

Check Engine Light Flashing

A flashing check engine light on a 2016 Hyundai Sonata Plug-in Hybrid signals a potentially serious condition—often an active misfire that can damage the catalytic converter or indicate a hybrid-system fault. If you see a flashing light while driving, reduce speed, avoid heavy loads, and stop driving as soon as it is safe. At Larry H. Miller Hyundai Peoria our technicians prioritize flashing-light cases: we perform immediate diagnostics with Hyundai OEM scan tools, inspect ignition and hybrid components, and recommend the fastest, most cost-effective repair plan. We frequently bundle diagnostics with discounted labor or parts via our service specials, and we offer service financing so you can address urgent repairs without delay. Choosing the dealership ensures proper hybrid-system calibration, genuine parts, and warranty continuity. To protect your vehicle and avoid expensive downstream damage, schedule service online or call our service department to arrange immediate attention.

2016 Hyundai Sonata Plug-in Hybrid Check Engine Light Reset

Resetting a check engine light on a 2016 Hyundai Sonata Plug-in Hybrid can be simple or complex depending on the root cause. A reset without repair may mask recurring faults and lead to larger expenses later—our certified technicians diagnose codes before any reset, ensuring the underlying issue is corrected. At Larry H. Miller Hyundai Peoria we use OEM procedures for resets so that on-board systems and hybrid controls remain properly synchronized. We provide detailed estimates, genuine Hyundai parts, and clear service records that help preserve resale value. Our service advisors will explain warranty coverage and remind customers that warranty repairs must be completed at a certified dealership. We also highlight current service specials and offer flexible payment options, including service financing, so you can get safe, lasting repairs now and pay over time. Protect your hybrid’s performance—schedule appointment today.

2016 Hyundai Sonata Plug-in Hybrid Check Engine Light Codes

Common codes for the 2016 Hyundai Sonata Plug-in Hybrid include O2 sensor faults (P0130–P0167 range), catalytic converter efficiency (P0420), misfire codes (P0300–P0304), and hybrid/battery management codes. Ignoring these codes can lead to reduced fuel economy, increased emissions, degraded battery life, and costly catalytic converter damage. At Larry H. Miller Hyundai Peoria we identify codes quickly using Hyundai factory scanners, provide a clear repair estimate, and discuss immediate vs. preventative repairs that save you money over time. Our Peoria location emphasizes fast turnaround, comfortable waiting areas, and qualified technicians who specialize in Hyundai hybrids. Whether a simple sensor swap or a more complex hybrid control repair is required, we use OEM parts, honor warranty terms (repairs covered under warranty must be performed at certified dealerships), and offer service financing to ease payment. Check our service specials and schedule service to get a thorough, reliable diagnosis today.