2016 Hyundai IONIQ Electric 28 kWh 30.5 kWh 120 hp Battery, Horsepower, Range

Common Issues with Used Hyundai IONIQ Electric

First Generation (2016 - 2022)

Drive Battery Degradation Problems

While generally robust, the IONIQ Electric's drive battery can experience degradation over time, particularly in hot climates. While not as severe as some early EVs, a noticeable loss of range can occur after several years of use. This is one of the key weaknesses and failures monitored by the car's Battery Management System (BMS).

Common Solutions: Regular monitoring of the State of Health (SoH) is recommended. Owners can optimize battery longevity by avoiding frequent deep discharges and limiting charging to 80% for daily use. If significant degradation occurs, the battery is covered by a long warranty in many regions, making replacement an option.

12V Auxiliary Battery Issues

The 12V auxiliary battery, which powers the car's electronics and systems, is a common failure point. A dead 12V battery can render the car inoperable, as it prevents the main high-voltage battery from activating. This is a common problem for many owners.

Common Solutions: Owners often replace the factory 12V battery with a higher-quality aftermarket AGM (Absorbent Glass Mat) battery for increased longevity. It's recommended to replace the 12V battery every 3-5 years as a preventative measure. Keeping the car connected to a charger when not in use for extended periods can also help maintain the 12V battery's charge.

Charging Port & Onboard Charger Problems

Some reports of issues with the charging port door mechanism or the onboard AC charger unit have been noted. These failures can prevent the car from charging on Level 2 (AC) chargers, a significant fault that affects usability.

Common Solutions: Regular cleaning of the charging port to prevent debris buildup is advised. In case of a problem, a professional diagnosis is necessary. The onboard charger is covered under the vehicle's warranty, and replacement is typically handled by a certified service center.

Suspension and Bushing Wear Issues

As with many vehicles, the IONIQ Electric can develop problems with suspension components, particularly worn bushings and ball joints, which can lead to noises and compromised ride quality over time. This is more common in high-mileage vehicles and is a known weakness.

Common Solutions: Regular inspections of the suspension components are recommended. Worn parts can be replaced with OEM or high-quality aftermarket components. Addressing these issues promptly can prevent further damage to other suspension parts.

Conclusion

The Hyundai IONIQ Electric is widely regarded as a highly reliable and efficient vehicle. Its well-engineered drivetrain and battery system have proven durable over the years. The most common issues and problems are relatively minor and do not affect the core functionality of the car's electric powertrain. A pre-purchase inspection should focus on the health of the high-voltage battery, the condition of the 12V auxiliary battery, and a general check of the suspension and charging systems. With proper maintenance and awareness of these potential issues and weaknesses, a used IONIQ Electric can provide a dependable and cost-effective entry into EV ownership.

* Disclaimer: The information presented here is compiled from owner discussions in online communities, forums, and various open public sources. The accuracy, completeness, and reliability of this data cannot be guaranteed, and it should be used for informational purposes only.