2025 Hyundai Ioniq 5 Electrical System Problems
Electrical System complaints account for 226 of 297 total complaints filed on the 2025 Hyundai Ioniq 5, or 76% of all reports, with a median failure mileage of 8,000 miles. NHTSA lists four related recalls, including two bus-bar short-circuit campaigns and a wiring harness airbag recall.
- Electrical System complaints
- 226
- 76% of 297
- Crashes reported
- 0
- Fires reported
- 0
- Injuries reported
- 0
- Median mileage
- 8,000 mi
- Related recalls
- 4
Typical electrical symptoms owners report
- Owners report the 12-volt battery repeatedly losing charge, requiring multiple dealer visits and replacements.
- Some describe the high-voltage battery throwing a Battery Management System error and needing full battery replacement due to a faulty cell.
- Several owners report ICCU (Integrated Charging Control Unit) failures that cause sudden power loss, reduced speed, or complete shutdown while driving.
- Owners describe the EV Battery Electronic Coolant Pump failing early, triggering dashboard warnings and loss of A/C cooling.
- Some report the vehicle losing the ability to charge on AC or DC chargers after a battery management warning appears.
- One owner reported a yellow airbag wiring harness under the driver seat touching the floor, calling it a design flaw.
When 2025 Hyundai Ioniq 5 electrical complaints were filed
First complaint Mar 19, 2025, latest Sep 19, 2026.
Electrical System recalls for the 2025 Hyundai Ioniq 5
- NHTSA 26V068000Feb 5, 2026Electrical System27 vehicles
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.
Risk: An electrical short in the high voltage battery system increases the risk of a fire.
Remedy: Dealers will inspect and tighten the bus bar retention bolts and replace the battery system assembly, as necessary, free of charge. Owner notification letters were mailed April 3, 2026. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 294. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on February 7, 2026.
- NHTSA 25V482000Jul 23, 2025Electrical System10 vehiclesPark Outside
Electrical system:propulsion system:traction battery
Hyundai Motor America (Hyundai) is recalling certain 2025 IONIQ 5 vehicles. The high voltage battery system may contain an improperly tightened bus bar, which can cause a short-circuit.
Risk: An electrical short in the high voltage battery system increases the risk of a fire.
Remedy: Owners are advised to park their vehicles outside and away from structures until the recall remedy is complete. Dealers will inspect and repair the high voltage battery system, as necessary, free of charge. Owner notification letters were mailed August 25, 2025. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 280.
- NHTSA 25V373000Jun 3, 2025Electrical System10,409 vehicles
Exterior lighting:headlights
Hyundai Motor America (Hyundai) is recalling certain 2025 Hyundai IONIQ 5 vehicles. The right-side headlight may have an incorrect headlight aim label, which can result in improperly aimed headlights. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
Risk: Improperly aimed headlights can result in insufficient illumination of the road, decreasing the driver's visibility and increasing the risk of a crash.
Remedy: Hyundai will mail owners a corrected label with inspection and installation instructions. Owners may bring their vehicle to a dealer for the repair, free of charge. Owner notification letters were mailed July 15, 2025. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 279.
- NHTSA 25V064000Feb 6, 2025Electrical System33 vehicles
Electrical system:wiring
Hyundai Motor America (Hyundai) is recalling certain 2025 IONIQ 5 EV vehicles. The rear floor wiring harness may contain an open circuit, which can result in the rear side air bag not deploying as intended.
Risk: A rear side air bag that does not deploy as intended can increase the risk of injury in a crash.
Remedy: Dealers will inspect and replace the rear floor wiring harness, as necessary, free of charge. Owner notification letters were mailed March 12, 2025. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 274.
Electrical System complaints by Ioniq 5 model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How common are electrical problems on the 2025 Hyundai Ioniq 5?
- NHTSA lists 226 Electrical System complaints out of 297 total complaints for the 2025 Ioniq 5, or 76% of all complaints filed for the year.
- Is there a recall for the 2025 Ioniq 5 electrical system?
- Yes. NHTSA lists four related recalls, including campaign 26V068000 and 25V482000 for an improperly tightened high-voltage battery bus bar that can short-circuit, and 25V064000 for a rear floor wiring harness that could prevent side airbag deployment.
- At what mileage do 2025 Ioniq 5 electrical failures typically occur?
- NHTSA data shows a median mileage at failure of 8,000 miles for Electrical System complaints on the 2025 Ioniq 5.
- Have any crashes, fires, or injuries been reported for this issue?
- NHTSA records show 0 crashes, 0 fires, and 0 injuries linked to Electrical System complaints on the 2025 Ioniq 5.
- Is the electrical complaint rate higher than other Ioniq 5 model years?
- It is similar. Electrical System complaints made up 78% of complaints in 2022, 72% in 2023, 79% in 2024, and 76% in 2025.