2023 Hyundai Ioniq 5 Problems: 11 Known Issues
2023 model year · 3,000+ owner reports · Updated October 2026
According to Au7o's analysis of 3,000+ owner reports, the 2023 Hyundai Ioniq 5 has 11 documented known issues, with 1 rated critical. The most serious is ICCU Failure Causing Loss of Drive Power / 'Turtle Mode' / No DC Fast Charge. The most commonly reported issue is 12V Auxiliary Battery Drain / Dead Battery with 1,200 owner reports. Across all issues with published estimates, repair costs range from $100 to $3,000. DIY maintenance guides at au7o.io.
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All 11 Known Issues
NHTSA Recalls14 recalls
POWER TRAIN:DRIVELINE:DRIVESHAFT
Hyundai Motor America (Hyundai) is recalling certain 2023 IONIQ 5, IONIQ 6, and Genesis GV60 vehicles. The rear inner driveshaft may have been improperly heat-treated, allowing it to break under load and resulting in a loss of drive power.
ELECTRICAL SYSTEM:12V/24V/48V BATTERY
Hyundai Motor America (Hyundai) is recalling certain 2022-2024 IONIQ 5, 2023-2024 IONIQ 6, Genesis GV60, Genesis GV70 "Electrified," and Genesis G80 "Electrified" vehicles. The Integrated Charging Control Unit (ICCU) may become damaged and stop charging the 12-Volt battery, which can result in a loss of drive power.
ELECTRICAL SYSTEM:12V/24V/48V BATTERY
Hyundai Motor America (Hyundai) is recalling certain 2022-2024 IONIQ 5, 2023-2025 IONIQ 6, Genesis GV60, Genesis GV70 "Electrified," and Genesis G80 "Electrified" vehicles. The Integrated Charging Control Unit (ICCU) may become damaged and stop charging the 12-volt battery, which can result in a loss of drive power.
ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
Hyundai Motor America (Hyundai) is recalling certain 2025-2026 IONIQ 5 and 2026 IONIQ 9 vehicles. The high voltage battery system may contain an improperly tightened bus bar, which can cause a short-circuit.
ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
Hyundai Motor America (Hyundai) is recalling certain 2023-2024 Ioniq 5 vehicles. The high voltage battery cells may contain misaligned electrodes, which can lead to a fire while parked or driving.
+ 9 more recalls. Check all on NHTSA.gov
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Frequently Asked Questions
What are the most common Hyundai Ioniq 5 problems?
According to Au7o's analysis of 3,000+ owner reports, the 2023 Hyundai Ioniq 5 has 11 documented issues. The most frequently reported are: ICCU Failure Causing Loss of Drive Power / 'Turtle Mode' / No DC Fast Charge, 12V Auxiliary Battery Drain / Dead Battery, Infotainment System Crashes / Dual Screen Black Out. Of these, 1 is rated critical and should be addressed promptly.
Is the Hyundai Ioniq 5 reliable?
The 2023 Hyundai Ioniq 5 has 11 known issues documented across 3,000+ owner reports. 1 issue is rated critical: ICCU Failure Causing Loss of Drive Power / 'Turtle Mode' / No DC Fast Charge. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Hyundai Ioniq 5 problems?
Repair costs for known Hyundai Ioniq 5 issues range from $0 to $3,000, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2022-2024 Hyundai Ioniq 5 ICCU Failure Causing Loss of Drive Power / 'Turtle Mode' / No DC Fast Charge?
The Integrated Charging Control Unit (ICCU), which houses the DC-to-DC converter that keeps the 12V battery charged from the high-voltage pack, can suffer overvoltage and thermal overload that blows its internal 12V-feed fuse. When it fails the car may refuse to DC fast charge, c… Severity: high.
What is the 2022-2025 Hyundai Ioniq 5 12V Auxiliary Battery Drain / Dead Battery?
The Ioniq 5 suffers from 12V auxiliary battery drain, often leaving the vehicle unable to start. The issue is caused by excessive parasitic draw from always-on systems (telematics, Bluelink) and the 12V battery being undersized for the electrical load. The AGM battery used is mor… Repairs typically run $0-$300. Severity: medium.
What is the 2022-2025 Hyundai Ioniq 5 Infotainment System Crashes / Dual Screen Black Out?
The dual 12.3-inch screen infotainment system in the Ioniq 5 is prone to freezing, going black, and rebooting while driving. The issue affects navigation, screen-based functions, and the digital instrument cluster. Loss of the driver display while driving is a safety concern. Mul… Repairs typically run $0-$3,000. Severity: medium.
What is the 2022-2024 Hyundai Ioniq 5 Heat Pump / HVAC Compressor Grinding Noise?
The electric HVAC heat pump compressor in early Ioniq 5 models develops a grinding or buzzing noise, especially during cold weather operation. The compressor bearing or internal scroll mechanism wears prematurely. In some cases, the heat pump fails entirely, leaving only resistiv… Repairs typically run $0-$2,500. Severity: medium.
What is the 2022-2024 Hyundai Ioniq 5 Charge Port Door Failure / Motor Malfunction?
The motorized charge port door on the Ioniq 5 can fail to open or close, preventing charging. The electric motor actuator or its wiring fails, especially in cold weather. Some owners report the door freezing shut in winter. The door can sometimes be manually released with a pull-… Repairs typically run $0-$400. Severity: medium.
What is the 2022-2025 Hyundai Ioniq 5 Water Intrusion Damaging Under-Floor / Under-Seat Wiring Harnesses?
The Ioniq 5's wiring harnesses run with little clearance beneath the floor and driver's seat, leaving them vulnerable to moisture. Owners have reported that even a small interior water spill soaked the floor and seat harnesses and knocked out major systems. One widely reported Fl… Severity: medium.
What is the 2022-2025 Hyundai Ioniq 5 Electric Motor Bearing Noise at Low Speed?
Some Ioniq 5 owners report a whining, humming, or grinding noise from the electric drive motor at low speeds (under 20 mph). The noise is most noticeable when the cabin is quiet and the vehicle is creeping in parking lots or through neighborhoods. The bearing noise can come from… Repairs typically run $0-$2,000. Severity: medium.
What is the 2022-2025 Hyundai Ioniq 5 Front Suspension Clunk Over Bumps?
The Ioniq 5 develops a clunking noise from the front suspension over bumps, traced to the front strut top mount bearing and stabilizer bar end links. The heavy battery pack puts extra stress on the front suspension components. The clunk is especially noticeable on rough roads and… Repairs typically run $100-$500. Severity: low.
What is the 2022-2025 Hyundai Ioniq 5 HDA 2 Lane Centering Jerking/Ping-Ponging?
The Highway Driving Assist 2 (HDA 2) lane centering system exhibits jerky corrections and ping-ponging between lane markings on certain road types. The system struggles with faded lane markings, construction zones, and roads with multiple overlapping lane lines. The steering corr… Repairs typically run $0-$200. Severity: low.
What is the 2022-2025 Hyundai Ioniq 5 Rear Tailgate Rattle and Friction Noise While Driving?
Hyundai TSB 24-BD-012H says certain 2022-2025 Ioniq 5 vehicles produced from October 4, 2021 through May 10, 2024 may exhibit rattle and friction noises from the tailgate while driving. The bulletin addresses the gap between the tailgate and vehicle body. Severity: low.
What is the 2022-2025 Hyundai Ioniq 5 Rear Taillight Condensation?
The parametric pixel rear taillights on the Ioniq 5 develop internal condensation and moisture buildup. Water droplets form inside the light housing, particularly after rain or car washes. While Hyundai considers some condensation normal, excessive moisture can obscure the light… Repairs typically run $0-$600. Severity: low.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.