2023 Hyundai Tucson electrical system problems

Related recalls

No recalls on file.

What owners say

1. Filed Aug 7, 2026ILElectrical System

   Under Hyundai Recall 290, the dealership permanently removed the functional trailer light wiring harness and replaced it with a nonfunctional rubber dust cap. A Hyundai case manager informed me that a replacement harness is "in development," but official NHTSA remedy filings show the cap is the final remedy, resulting in the permanent loss of a factory feature I paid for. The removal of towing functionality without a clear timeline for a safe replacement parts remedy…

   NHTSA complaint #11755583 · source
2. Filed Jul 23, 2026PAElectrical SystemEngineOther / Unknown

   The vehicle developed an intermittent but potentially dangerous engine control malfunction. After the engine reached normal operating temperature, the engine speed (RPM) would repeatedly surge while the vehicle was stopped in Park and Neutral, fluctuating from approximately 1,000 RPM to over 3,000 RPM without any throttle input from the driver. The condition occurred with the air conditioning turned off and could be reproduced multiple times. At approximately the same time,…

   NHTSA complaint #11752416 · source
3. Filed Jul 8, 202621,000 miILElectrical SystemTransmission & Drivetrain

   The contact's son owns a 2023 Hyundai Tucson. The contact stated that while driving at various speeds, various warning lights illuminated, and various messages were displayed on the instrument panel; however, the warning lights disappeared upon restarting the engine. The contact stated that her son was forced to restart the vehicle after the vehicle failed to accelerate from a complete stop on one occasion. The vehicle was taken to the dealer for diagnosis; however, the…

   NHTSA complaint #11748996 · source
4. Filed Jun 22, 2026OHElectrical System

   I received a letter in March that there is a problem with The Tow Hitch Harness Accessory which could lead to a fire etc. They said they will come out with a repair. I contacted the Victory Hyundai dealership in Jefferson Ohio where I got the car in April and they said they have a repair but the trailer electrical/ lights will not work. I got a second letter saying they have a solution for repair in May I contacted Classic Hyundai twice to make sure the repair now will allow…

   NHTSA complaint #11745677 · source
5. Filed Jun 21, 2026FLElectrical SystemOther / Unknown

   Horn on vehicle consistently goes out. Either goes out entirely or the volume of the horn is below a safe level. This is a known Hyundai issue and Hyundai refuses to acknowledge it on this specific model, but has acknowledged it on different models. I Have had multiple repairs by Hyundai directly, and the horn consistently keeps going out. There are sometimes in dangerous situations where I need to utilize the horn to avoid an accident and warn other drivers of danger, and I…

   NHTSA complaint #11745447 · source
6. Filed Jun 11, 2026GAElectrical System

   I received a Recall notice around January 2026 for the trailer hitch wiring harness on my 2023 Hyundai Tucson Hybrid. For 6 months the local dealer told me there was no fix available from Hyundai. I finally received a notice informing me that parts were now available and to bring it in to dealer for repairs. I took the vehicle in for recall repairs on May 27, 2026. Instead of repairing/replacing the wiring harness, Hyundai removed the entire wiring harness making the trailer…

   NHTSA complaint #11743550 · source
7. Filed Dec 27, 2025PADriver Assistance & Safety TechElectrical System

   Major problems with this cars electrical and computer systems. Six warning lights would begin to flash in succession. Eventually car would be inoperative leaving us stranded in July 2025 in Cumberland MD then after supposed repair we were again stranded in Providence RI on Nov 20, 2025 and car has been there for repair ever since. No completion date has yet been given. I strongly believe there are major safety problems with this car.

   NHTSA complaint #11707219 · source
8. Filed Nov 21, 2025FLCrashElectrical SystemOther / UnknownAcceleration & Cruise Control

   As I was parking my car in a parking spot going about 5 miles or less. My car surged forward at a very accelerated speed, and I ended up running into a brushed and a metal fence, which is what stopped me. There were no warnings that went off on my car. No emergency brakes, nothing.

   NHTSA complaint #11700859 · source
9. Filed Sep 11, 202526,500 miOHElectrical SystemEngineTransmission & Drivetrain

   The contact owns a 2023 Hyundai Tucson. The contact stated while driving approximately 45 MPH, the accelerator pedal was depressed while merging onto a highway, but the vehicle lost forward momentum. The contact stated that the message "Limited to 20 MPH" was displayed on the instrument cluster. The contact depressed the accelerator pedal, and the vehicle failed to respond as needed. The contact stated that the engine was not revving. The contact pulled off the highway and…

   NHTSA complaint #11686660 · source
10. Filed Jun 23, 2025PAElectrical System

    my 2023 Hyundai Tucson has had the horn replaced twice. the technician indicated this is a common problem due to the location of the horn its susceptible to water damage rendering it useless. The horn is something rarely used and we were not aware it did not work until we tried to use it to alert a car entering our lane of traffic!

    NHTSA complaint #11668543 · source
11. Filed Apr 25, 2025OHElectrical System

    Approximately 2-3 months ago, the horn had failed. This was reported to the dealer and covered under warranty. During the service the dealer advised that this issue was due to a faulty electrical contact and was a “known issue with the supplier of the horn”. Because of this, Hyundai extended the warranty period on the horn. Now, the horn had failed a second time and was discovered during a safety hazard in which I needed to alert another driver. This had the potential to…

    NHTSA complaint #11656675 · source
12. Filed Apr 17, 2025OHElectrical SystemOther / Unknown

    This week I noticed my low tone horn on my vehicle had stopped working It was replaced under warranty by Hyundai at 41000 miles Only a little while ago at 35000 miles both horns went out and I only learned this when I needed it to help avoid being hit and it wasn’t available Hyundai indicated they are aware of issue but are still replacing horns with the same original part that is prone to shorting out

    NHTSA complaint #11655189 · source

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology