2020 Hyundai Kona Electric Electrical Problems

While driving approximately 70 mph on I-10 in Louisiana late at night, my 2020 Hyundai Kona EV displayed a “Check EV System” warning while I was on the highway. There were no safe areas or emergency shoulders available to pull over, so I continued driving toward the nearest exit. Approximately 15 minutes after the warning appeared, as I attempted to exit the highway, the vehicle suddenly lost power and rapidly slowed. The vehicle came to a complete stop and could not accelerate, move forward, or reverse. This created a serious safety risk because the vehicle lost propulsion while traveling at highway speed. The vehicle had approximately 62,000 miles at the time of the incident. The vehicle was towed to Giles Hyundai where the dealership diagnosed an internal temperature sensor and resolver failure. Because these components are integrated into the drive system, the dealership replaced the entire traction motor assembly. The repair cost was approximately $9,000. The sudden loss of propulsion at highway speed created a dangerous situation for both the driver and surrounding traffic.

NHTSA ID

11722050

Incident

Feb 2, 2026

6/17/2024 12 volt battery was dead; EV was fully charged 6/16/2024 using Level 2 charger in my home garage. AAA charged the battery; I drove to Crossroads Hyundai Loveland, CO and asked to have the converter to the main battery checked; this was not done. Crossroads checked the battery via CADEX with "good battery charge" as result. No other diagnostic work was performed. 8/26/2024 12 volt battery again depleted; AAA charged twice 11:06 am (recharge and retest ) and 3:51pm (Bad & replace). I drove again to Crossroads Hyundai which claimed battery test showed good battery. Technician found a draw dropped after pulling fuses F6 multi media and F16 memory. Techline at Hyundai was contacted and tech was instructed to install junction box for fuses (91950-K4061 Junction Box assembly I/PNL 91). The car was undriveable on the Crossroads lot until part received and replaced 9/20/2024. 9/24/2024 when I arrived to pick up the car, the service advisor told me the door was left ajar after car wash, causing draw on battery; the battery was damaged by continued discharge due to strain from parts replaced. Hyundai agreed to replace the battery at no charge to customer. There were no warming lamps, messages or other symptoms of the problem prior to 6/17/2024. My safety, as a senior and woman is at risk if the car was stranded in a parking lot or other area outside of my home garage.

NHTSA ID

11641724

Incident

Jun 17, 2024

We just had our 2020 Kona updated from the dealer with major software and recall updates. Since that point the car has been draining from the 12volt battery on it's own and killing the charging circuit for the battery. It has caused us to have to jump start the car and not be able to keep the 12 volt charged which runs all of the environmentals and car systems. Unless you have a jump pack with you, you have to jump it after every stop. I have tested the battery and it is fine but the system needs a high end initial draw and is not getting it. I have contacted the dealer but they are saying it is not their problem. This needs government address, as it is the same issue in the NHTSA recalls or Hybrid and EV Sonata and Ioniq 5 models.

NHTSA ID

11580665

Incident

Mar 4, 2024

The contact owns a 2020 Hyundai Kona. The contact received notification of NHTSA Campaign Number: 21V127000, however, the dealer exceeded a reasonable amount of time for the recall repair. The contact stated that the dealer advised her the vehicle can not be fixed due to no parts. The contact was concerned that her vehicle would have a failure while driving. The manufacturer was made aware of the issue.

NHTSA ID

11446612

Incident

Oct 1, 2021

Car battery not longer allows for the car to drive The electric system stop working due to failure of the battery A new battery needs to be order Car not longer works

NHTSA ID

11433926

Incident

Sep 14, 2021

The contact owns a 2020 Hyundai Kona. The contact stated that several unknown recalls related to the battery were performed on the vehicle. The contact stated that after the recall repairs were performed and while starting the vehicle, the battery warning light illuminated. Additionally, the transmission failed to shift into gear as needed. The vehicle was towed to the dealer who diagnosed that the battery failed and needed to be replaced. The vehicle had not been repaired. The manufacturer was made aware of the failure and opened a case. The approximate failure mileage was 10,000.

NHTSA ID

11433804

Incident

Aug 16, 2021

Mileage

10,000 mi

The contact owns a 2020 Hyundai Kona. The contact received notification of NHTSA Campaign Number: 21V127000 (Electrical System) however, the part to do the recall repair was unavailable. The local dealer was contacted, and it was confirmed that the part was not available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. The contact was concerned that the manufacturer had not yet determined what the remedy would be for his vehicle. Parts distribution disconnect.

NHTSA ID

11430654

Incident

Aug 10, 2021

The traction batteries are deffective and needs to be replaced due to the battery catching fire under Recall 200 for Hyundia Kona Electric cars. The cars effected were manufactured from Aug 28,2018 to March 2, 2020 which our car falls within this window date. According to Hyundai Consumer Assistance there is no solution.

NHTSA ID

11424424

Incident

Feb 24, 2021

The contact owns a 2020 Hyundai Kona. The contact received a notification for NHTSA Campaign Number: 21V127000 (Electrical System) however, the part to do the recall repair was not yet available. The dealer was notified about the issue and provided a temporary fix by reducing the battery charging capacity to 80%. The part for the final repair remained unavailable. The manufacturer was made aware of the issue. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact had not experienced a failure. Parts distribution disconnect.

NHTSA ID

11420023

Incident

Apr 1, 2021

The contact owns a 2020 Hyundai Kona. The contact received notification of NHTSA campaign number: 21V127000 (Electrical System) however, the part to do the recall repair was not yet available. The vehicle was taken to the local dealer and it was confirmed that the part was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.

NHTSA ID

11420016

Incident

Jun 7, 2021

Hyundai issued a several recalls that notified me of various updates related to my car battery as well as that I cannot park my car in my garage as battery could catch fire. I have taken my car to a local dealer each time for these software updates as required. They originally did a "fix" for the battery issue back in 2020 but clearly the issue has not been remedied since it first came to light in 3/2019. Then in 3/2021, Hyundai notified me by mail that in addition, I must limit my battery capacity to 80%, prohibiting my use of the car for longer planned trips this spring and summer and likely fall 2021. I have had to change my lifestyle and make other arrangements in order to continue my plans. The battery has a lifetime guarantee and I bought the car due to this guarantee as well as the use of 100% of the battery expected mileage as I have a long commute and take long day trips since this is my only car. The requirement of parking outside my garage for over 6 months now reduces the value of my car as it is subject to intense heat/sun/sandy wind/fire debris as I live in a Southern California desert. Between the reduction in battery change, fire danger of battery, parking outside, the value of my purchase had decreased significantly and it was false advertising when I purchased the car in 11/2019. I would not have purchased this car if I only had 80% of the battery capacity and had to park it outside to avoid possible fire due to charging. Hyundai has only offered $200 to come in to dealer to have then change battery capacity to 80% (which I did . That is not enough compensation for the loss of use, loss of value, loss of car quality from parking outside, and loss of my time. My fear is that they will issue a buyback that does not include the value of my window tinting and specialized lazer fit car mats and deducts value for my mileage. There is not ETA on when the battery will be replaced/fixed at this time - completely unacceptable.

NHTSA ID

11418961

Incident

Oct 1, 2020

Smell like electrical overheating. Not driving due to fire risk.

NHTSA ID

11418951

Incident

May 24, 2021

The contact owns a 2020 Hyundai Kona. The contact received notification of NHTSA Campaign Number: 20V127000 (Electrical System) however, the part to do the recall repair was not yet available. The dealer was contacted and confirmed that the part was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.

NHTSA ID

11418460

Incident

Mar 1, 2021

HYUNDAI IS FAILING TO PROVIDE THE INTERIM REMEDY PROMISED IN YOUR SAFETY RECALL REPORT 21V-127 (ATTACHED). THIS REMEDY CONSISTS OF SIMPLY DISCLOSING THE SAFE CHARGING LIMIT PERCENTAGE FOR THE PROPULSION BATTERY. THE RECALL REPORT STATES, UNDER REMEDY PROGRAM, "OWNERS WILL ALSO BE PROVIDED WITH INSTRUCTIONS TO MANUALLY LOWER THE BATTERY'S STATE OF CHARGE LIMIT VIA THE INFOTAINMENT SYSTEM." I REQUESTED THAT INFORMATION FROM HYUNDAI CUSTOMER CARE. HOWEVER THEY REPLIED "CURRENTLY THERE IS NO REMEDY AVAILABLE." (SEE ATTACHED) PLEASE DIRECT HYUNDAI TO MAKE THIS INFORMATION AVAILABLE FORTHWITH SO THAT I AND OTHER HYUNDAI EV OWNERS CAN SAFELY CHARGE OUR VEHICLES.

NHTSA ID

11404447

Incident

Mar 23, 2021

Mileage

3,600 mi

TL* THE CONTACT OWNS A 2020 HYUNDAI KONA. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 20V630000 (ELECTRICAL SYSTEM). THE VEHICLE WAS TAKEN TO PALM SPRINGS HYUNDAI (3919 E PALM CANYON DR SUITE A, PALM SPRINGS, CA 92264; (760) 202-8888) WHERE THE RECALL REPAIR WAS PERFORMED. THE CONTACT STATED THAT TWO DAYS AFTER THE RECALL REPAIR WAS PERFORMED, THE CONTACT WAS UNABLE TO START THE VEHICLE. THE CONTACT STATED THAT AN UNKNOWN ELECTRICAL WARNING LIGHT WAS ILLUMINATED. THE VEHICLE WAS NOT DRIVABLE. THE VEHICLE WAS TOWED BACK TO THE SAME DEALER. THE MECHANIC WAS UNABLE TO DUPLICATE THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE VIN WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 20V748000 (SERVICE BRAKES, HYDRAULIC) AND 20V630000 (ELECTRICAL SYSTEM). THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 4,400.

NHTSA ID

11383561

Incident

Dec 1, 2020

Mileage

4,400 mi

TL* THE CONTACT OWNS A 2020 HYUNDAI KONA. THE CONTACT DISCOVERED ONLINE THAT THE VEHICLE WAS INCLUDED IN NHTSA RECALL NUMBER: 20V630000 (ELECTRICAL SYSTEM) HOWEVER, THE PART TO DO THE RECALL REPAIR WAS NOT YET AVAILABLE. TEAM HYUNDAI OF BEND (2250 NE HWY 20, BEND, OR 97701) AND TONKIN GLADSTONE HYUNDAI (19300 SE MCLOUGHLIN BLVD, GLADSTONE, OR 97027) WERE MADE AWARE OF THE ISSUE AND BOTH CONFIRMED THAT PARTS WERE NOT YET AVAILABLE. THE CONTACT STATED THAT THE BATTERY SOFTWARE WAS UPDATED AT TEAM HYUNDAI OF BEND. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

NHTSA ID

11365831

Incident

Oct 15, 2020

THERE IS A RECALL ON POSSIBLE BATTERY EXPLOSION AND THERE IS NO CURRENT REPLACEMENT POLICY OR REPLACEMENT SCHEDULE.

NHTSA ID

11365383

Incident

Oct 20, 2020

Mileage

5,000 mi