2023 Hyundai Ioniq 5 problems, complaints & recalls
Most-reported problem areas: Electrical System (147) · Power Train (65) · Fuel/Propulsion System (45)
🧭 Reliability snapshot
Compared against other Hyundai Ioniq 5 model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (4)
Electrical System:propulsion System:traction Battery 2026-07-02 · campaign 26V432000 · 6 vehicles ⚠ PARK OUTSIDE
Defect: 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.
Risk: A fire increases the risk of injury.
Fix: Owners are advised to park outside and away from structures and limit their charge to a maximum of 80% until the recall repair is complete. Dealers will replace the high voltage battery system assembly, free of charge. Owner notification letters are expected to be mailed August 31, 2026. Owners may contact Hyundai's customer service at 855-371-9460. Hyundai's number for this recall is 305. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on July 3, 202
Electrical System:propulsion System:charging:module:software 2024-11-18 · campaign 24V868000 · 145,642 vehicles
Defect: 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.
Risk: A loss of drive power increases the risk of a crash.
Fix: Dealers will inspect and replace the ICCU and its fuse, as necessary. In addition, dealers will update the ICCU software. All repairs will be performed free of charge. Owner notification letters were mailed December 20, 2024. Owners may contact Hyundai customer service at 1-855-371-9460 or Genesis customer service at 1-844-340-9741. Hyundai's numbers for this recall are 272 (Hyundai) and 025G (Genesis). This recall expands and replaces previous recall number 24V-204. Vehicles previously re
Electrical System:12v/24v/48v Battery 2024-03-15 · campaign 24V204000 · 99,055 vehicles
Defect: 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.
Risk: A loss of drive power increases the risk of a crash.
Fix: This recall is replaced by NHTSA recall number 24V-868. Vehicles already repaired under this recall will need to have the new remedy completed. Dealers will inspect and replace the ICCU and its fuse, as necessary. In addition, dealers will update the ICCU software. All repairs will be performed free of charge. Owner notification letters were mailed April 22, 2024. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 257/021G.
Power Train:driveline:driveshaft 2024-02-01 · campaign 24V065000 · 1,165 vehicles
Defect: 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.
Risk: A loss of drive power increases the risk of a crash.
Fix: Dealers will replace the rear inner driveshaft, free of charge. Owner notification letters were mailed March 29, 2024. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's numbers for this recall are 253(H), 017G(G).
Service bulletins (48)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Structure:body 2026-10-21 · 26-EV-008H · Service Bulletin/Repair Instructions
some ioniq 5 (ne ev) and ioniq 6 (ce ev) vehicles may exhibit a vibration noise coming from the battery system assembly (bsa) lower cover. this may be caused by the lower cover becoming loose around the center mounting bolts. follow the procedure in this bulletin to replace the mounting bolts and in
Back Over Prevention: Warnings 2026-10-15 · 26-GI-004H · Service Bulletin/Repair Instructions
some hyundai vehicles may be equipped with a parking distance warning (pdw) sensor(s) that may trigger various dtcs and display warning messages on the instrument cluster, resulting in the pdw sensor(s) failing to detect nearby objects or triggering multiple false alarms. this condition may be a res
Fuel/Propulsion System 2026-06-25 · Z14 OL · Warranty Program/Extension
certain 2022 – 2024 model year ioniq 5, 2024 model year ioniq 5 robotaxi, and 2023 – 2025 model year ioniq 6 vehicles may require a replacement of the integrated charging control unit (iccu) and iccu fuse. at hyundai, we are committed to providing vehicles of outstanding quality and value. in an eff
Electrical System 2026-05-27 · 26-GI-002H TSB · Service Bulletin/Repair Instructions
this bulletin provides information related to the navigation and head unit software changes introduced in the 2026 1st navigation map and software update. the changes may vary depending on vehicle type, model, and navigation system. refer to the 2026 1st navigation map and software update key improv
Electrical System 2026-05-14 · 26-EV-004H DCS · Warranty Program/Extension
hyundai is extending the warranty coverage for the integrated charging control unit (iccu) and iccu fuse to 15 years/180,000 miles from the date of original retail delivery or date of first use (whichever occurs first) and is valid for original and subsequent owners. follow the flowchart in technic
Electrical System 2026-05-13 · 26-EV-004H DN · Warranty Program/Extension
hyundai is extending the warranty coverage for the integrated charging control unit (iccu) and iccu fuse to 15 years/180,000 miles from the date of original retail delivery or date of first use (whichever occurs first) and is valid for original and subsequent owners.
Showing the 6 most recent of 48 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-10-12 · Engine“i was driving my vehicle and it suddenly lost all power. i had to stop in an unsafe place on the road and wait to get my car towed. i had previously been to the dealership three times to have recall and software updates done that we’re supposed to fix this issue. apparently the iccu to be a terrible problem.…”
2026-09-28 · Vehicle Speed Control · 💥 crash“vehicle was involved in a double fatal. after viewing of dashcam video i suspect a malfunction of the vehicle may have occurred. the video appears to show the vehicle continuously accelerating despite the sound of what may be the driver attempting to repeatedly mash on the brakes. edr records do not coincide with the dashcam video.…”
2026-09-04 · Electrical System“iccu failure. car went into limp mode then towed to dealership. …”
2026-08-12 · Electrical System · 4,000 mi“the contact owns a 2023 hyundai ioniq 5. the contact stated that while driving on the freeway, the vehicle shut off unexpectedly. the vehicle was coasted to the side of the road and parked. moments later, the vehicle was restarted, and the vehicle drove normally. the contact stated that the failure had reoccurred on several occasions, and the vehic…”
2026-08-05 · Fuel/Propulsion System · 🔥 fire“we are reporting a suspected thermal runaway incident involving our recently purchased used 2023 hyundai ioniq 5 and have significant concerns regarding the vehicle's safety. **vehicle information** * purchased xxx, 36,662 miles * clean inspection and no accidents per carfax **incident timeline – xxx** between 6:00 and 6:30 pm, while traveling no…”
2026-07-23 · Electrical System“the iccu malfunctioned. safety impaired because it likely impacted the adas, which concurrently failed. yes, the problem has been inspected and confirmed by a dealer. …”
2026-07-20 · Air Bags“there is a yellow air bag (srs) safety restraint critical wire harness underneath the seats and it's loose and hanging down touching the floor with lots of slack, very easy for a water bottle or any object to roll under there and pull it loose, which would disable a critical passenger safety system. this issue is reported by many drivers includin…”
2026-07-16 · Service Brakes“the vehicle repeatedly displays a "stop vehicle and check brake system" warning together with an abs warning, accompanied by a loss of normal braking response. on xxx, while driving at approximately 60 mph on i-85 northbound near exit xxx in [xxx], the warnings appeared and the brakes did not respond normally. i was maintaining a substantial follow…”
2026-07-09 · Electrical System · 47,000 mi“the contact owns a 2023 hyundai ioniq 5. the contact stated that while driving at higher speeds occasionally, the vehicle suddenly lost motive power. the "smart smooth cruise control conditions not met" warning message was displayed on the instrument panel. the contact restarted the vehicle as a temporary fix; however, the failure recurred. the veh…”
2026-07-05 · Lane Departure: Assist“the ioniq 5 highway driving assist, which steers the car and keeps it centered in the lane, will disengage without clear warning - the small green steering wheel icon (which is at the top of the dash cluster) simply becomes grey and blinks, but there's no audible chime to indicate that the car has disengaged the steering assist. i have had multiple…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.