Battery Services & Replacement — 2017 Hyundai Sonata

Arapahoe Hyundai in CO provides reliable battery diagnostics, battery replacement, and preventive checks for the 2017 Hyundai Sonata. Our certified Hyundai technicians use OEM batteries and parts to ensure long life and peak performance. Ask about service financing to get repairs now and pay later. To book, schedule service or check our service specials.

Check Engine Light Flashing

A flashing check engine light in a 2017 Hyundai Sonata signals an active misfire or other condition that may cause catalytic converter damage if driven long. When the light flashes, stop driving as soon as it’s safe and bring the vehicle to Arapahoe Hyundai in CO immediately. Our factory-trained technicians begin with an on-board diagnostic scan and then perform targeted tests—compression, fuel pressure, ignition components, and emissions systems—to identify the root cause. Ignoring a flashing light can multiply repair costs dramatically by damaging the catalytic converter, increasing emissions, reducing fuel economy, and risking engine failure. At Arapahoe Hyundai we use OEM parts and documented repair procedures to restore performance quickly; doing so saves you money over time by preventing cascading failures. We also offer transparent estimates, service financing options so you can get repairs now and pay over time, and routinely post promotional pricing in our service specials. For urgent attention, schedule service online or call the service department for same-day appointment availability.

2017 Hyundai Sonata Check Engine Light Codes

Common check engine codes for the 2017 Hyundai Sonata include P0300–P0304 (engine misfires), P0420 (catalyst system efficiency), P0455 (EVAP large leak), P0171/P0174 (fuel trim/lean condition), and P0128 (coolant thermostat). Each code has a spectrum of causes and varying repair costs: misfires can range from inexpensive spark plug or coil replacements to higher-cost fuel injector or engine repairs; a P0420 ignored for long can mean a catalytic converter replacement that costs hundreds more than early sensor repair; EVAP leaks may be as simple as a loose or faulty gas cap or require EVAP hose and canister repairs; P0171 lean conditions often point to vacuum leaks or MAF sensor replacement. Arapahoe Hyundai in CO explains the specific code, offers OEM parts and certified repairs, and prioritizes affordable, long-term solutions that protect vehicle value. Choosing dealership service often leads to lower total ownership costs because we ensure proper fixes, warranty protection, and documented maintenance history. Check our service specials and schedule service for an accurate diagnosis and transparent estimate today.

2017 Hyundai Sonata Check Engine Light Reset

Resetting the check engine light on a 2017 Hyundai Sonata is a basic step after repair, but a reset without resolving the underlying fault will only mask problems and risk further damage. The proper approach is a full diagnostic scan using Hyundai-approved tools, repair with OEM parts if needed, and then a controlled reset and road test to confirm the fault won’t return. At Arapahoe Hyundai in CO we document the entire process, use manufacturer software to clear codes properly, and provide a written explanation and warranty for parts and labor. The dealership offers the transparency of diagnostic results, OEM-level repairs, and quick turnaround from certified technicians—advantages that reduce long-term costs and maintain vehicle warranty. We also encourage customers to review available service specials and take advantage of service financing where appropriate. To keep your Sonata reliable and protected, schedule service with Arapahoe Hyundai today.