2015 Hyundai Genesis electrical problems

Filed Sep 9, 2026 · Electrical · 74,887 miles · FL

The contact owns a 2015 Hyundai Genesis. The contact stated that while his niece was attempting to start the vehicle, the vehicle failed to start. The vehicle was towed to a local dealer, where it was diagnosed with an internal leak causing the starter to burn and the wiring harness to melt. The contact stated that the starter and wiring harness needed to be replaced. The contact stated that the local dealer denied the repair under the federal safety agency Campaign Number: 24V107000 (Electrical System); unless other repairs were first performed. The manufacturer was made aware of the failure. The failure mileage was approximately 74,887.

Filed Jul 8, 2026 · Electrical, Engine · GA · fire

Starter wiring burned and caused a small, localized fire in the engine compartment of the vehicle. Replacement of the starter assembly along with related engine wiring harness is necessary for vehicle operation. After mechanic review, it was determined the vehicle will catch fire upon attempt to start the vehicle. The vehicle was parked near our home when the internal burning and subsequent small fire started. The problem was reported to our nearest Hyundai dealership and the car was evaluated by the dealership to confirm the above. The car was inspected by Progressive insurance as well at the dealership and it was determined it was not included in TSB 24-01-057H recall for this VIN for the 2015 Hyundai Genesis. For this specific issue, there was zero indication this was a possibility.

Filed May 27, 2026 · Brakes, Driver assistance · TX

UNKNOWN, The car lose electricity, shutting down by itself, when I press start engine, or when I shut down engine, recently car shuts off while I drive it on highway, it didn't start until I jump start it, also it shows lights of ABS, and brakes auto hold, cruise control not working.

Filed Apr 25, 2026 · Electrical · TX

I took my car in to Tomball Hyundai due to intermittent failure of the headlight switch and the wiper switch when both of these features are set to the ‘Auto’ setting. These are very intermittent issues, but as luck would have it, it was sprinkling on my drive to the dealership on [XXX] and I was able to capture the wiper issue via video on my phone which I shared with the service advisor. Then, fortunately, 2 days later, the service technician was able to verify the intermittent headlight failure. I was aware of a TSB (TXXH) which is meant to address this problem, however, Hyundai issued a superseded TSB a few months after the original, in which they deleted the wiper switch from the service. The 2015 Genesis multifunction switch is sold as a single integrated unit (P/N 93400-3M031), but Hyundai’s TSB 20-BE-009H-1 mandates a "hack" repair that leaves the failing wiper switch in place. It is my assertion that when Hyundai settled a class action lawsuit regarding this switch, they agreed to extend the warranty on the entirety of the Multifunction Switch Assembly (NOT just the Headlight portion of the switch) for 15 years and Unlimited mileage. The Hyundai National Customer Service Case Manager (Roobika, 714‑912‑2118 National Consumer Affairs) told me that my request of having the complete switch replaced was denied due to the vehicle being out of warranty and having 73,481 miles. *to be clear here - Hyundai HAS agreed to replace the Headlight switch only - their denial centers on the Wiper switch. Eager to find a solution, I suggested that I could cost-share. This was declined as well. I was only given the option of buying the whole switch myself and allowing them to provide the labor to install it. Furthermore, It is technically illogical to perform a warranty repair by disassembling an integrated unit to replace one half while ignoring the failure of the other half—especially when the labor required to access the part is identical. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA),

Filed Feb 5, 2026 · Driver assistance, Electrical · MT

While driving approximately 35–40 mph, the steering wheel locked unexpectedly. My [XXX] child was in the vehicle at the time. I was nearly unable to control the vehicle, creating a serious risk of a crash or fatal injury. The vehicle has a long history of electrical problems including repeated battery failures and a prior transmission replacement. Due to the steering failure, the vehicle is unsafe to operate and has not been driven since the incident. No warning lights were observed prior to the steering failure. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Feb 1, 2026 · Electrical, Engine · NC

My car has previously been reported for having issues with electrical problems that I have had to fight the manufacturer to get repaired unsuccessfully.I am constantly experiencing and smelling burning in my dash when I crank the car. Car is no longer under warranty, so therefore, I cannot afford to continue to go in and report the same problem over and over again.My turn signal bulbs are constantly blowing, and I'm having to replace them at a rate that is not normal.I'm sure this is all related.

Filed Dec 17, 2025 · Electrical, Lights · AK

Vehicle: 2015 Hyundai Genesis sedan (3.8L) Issue Type: Exterior Lighting / Electrical System Description of the Problem: I am reporting an intermittent electrical failure affecting the rear lighting and backup safety systems on my 2015 Hyundai Genesis. The vehicle’s reverse lights, tail lights, and backup camera intermittently fail and flicker, especially when the trunk is opened or moved. This behavior has worsened over time. The failure appears to be related to wiring in the trunk area, as opening or closing the trunk causes the lights and camera to flicker or stop functioning. This issue affects multiple systems simultaneously, including: •Reverse (backup) lights •Tail lights •Backup camera License plate lighting The reverse lights and backup camera sometimes do not function at night, and the tail lights may flicker or go out. Safety Incident / Near Miss: At night, while backing up, I nearly struck a pedestrian because: •I could not clearly see behind the vehicle due to the backup camera and reverse lights not functioning, and •The pedestrian did not realize the vehicle was backing up because the reverse lights were not illuminated. No injury occurred, but this was a serious near-miss involving a pedestrian at night. Additional Information: I have since learned that Hyundai has issued a Technical Service Bulletin (TSB) for 2015–2016 Genesis vehicles related to damage or failure of the trunk wiring harness, which can cause loss of rear lighting and backup camera function. My vehicle’s symptoms match the conditions described in the bulletin. This issue appears to be a design-related wiring failure caused by normal trunk operation, not misuse or modification. Current Status: The problem is ongoing and worsening. Rear lighting and backup safety systems are unreliable and fail intermittently without warning.

Filed Nov 17, 2025 · Electrical, Engine · 94,600 miles · NV

The contact owns a 2015 Hyundai Genesis. The contact stated that while stopped at a red light, the vehicle started shaking with the check engine warning light illuminated. The contact stated that while depressing the accelerator pedal, the vehicle accelerated but failed to exceed 20 MPH. The vehicle was steered to the side of the road and shifted into park(P). The vehicle was restarted, but the failure persisted. The vehicle was taken to an independent mechanic, where a handheld diagnostic machine retrieved DTC: P2106, P0638, and P2110. The vehicle was taken to an independent mechanic, where it was diagnosed that the throttle body and the foot control throttle needed to be replaced. The contact was also advised by the mechanic that there may be an electrical system issue with the vehicle. The vehicle was not repaired, but the codes were reset. The contact took the vehicle to the residence and replaced the throttle body and the foot control throttle, but the failure persisted. The manufacturer was not notified of the failure. The failure mileage was approximately 94,600.

Filed Oct 19, 2025 · Electrical · GA

Starter started smoking

Filed Oct 10, 2025 · Brakes, Electrical · TX

After Hyundai performed a recall service on my vehicle, the radiator hose burst while I was driving on the highway, causing the engine to fail completely. Smoke came from the engine compartment, and I had to pull over immediately with my family to avoid a serious accident. Before the recall, the vehicle had no issues and ran perfectly for three months after purchase. The problem occurred only a few days after the recall service, which included work on the ABS module. Hyundai refused to take responsibility, even though this failure happened right after the recall repair. The dealership and manufacturer did not inspect the vehicle properly and made their decision based only on a phone conversation. This is a severe safety concern because the engine failed suddenly on the highway. I believe this failure is directly related to the recall work performed under the federal safety agency Recall #21V160000, which is still listed as incomplete on the federal safety agency records.