2012 Hyundai Genesis transmission problems

Filed Jul 28, 2024 · Transmission · IL

During normal driving conditions, the 8 speed automatic transmission will randomly hesitate to upshift from 2nd to 3rd and from 4th to 5th, causing an unpredictable loss of power. Symptoms will show up intermittently, and do not seem to be caused by certain events. This is unsafe because the unpredictability of the problem could cause power loss during moments where acceleration is needed to avoid an accident (moments which would otherwise be completely safe, i.e. merging onto a freeway, turning across incoming traffic, right turns into the direction of traffic, etc.) This problem already has a TSB issued by Hyundai. Problem has been reproduce by a technician. Component has been checked by a technician. There are no warning lights or other symptoms before failure.

Filed Nov 15, 2023 · Transmission · 155,620 miles · PA

The contact owns a 2012 Hyundai Genesis. The contact stated while driving at various speeds, the vehicle hesitated while depressing the accelerator pedal. There was no warning light illuminated. The vehicle was taken to an independent mechanic and diagnosed with transmission failure. The contact stated that the check engine light was later illuminated, and the vehicle was taken to a second independent mechanic. The mechanic retrieved a code for a defective pressure sensor. Upon investigation, the contact discovered Manufacturer Communication Number: 16-8at-011) which he linked to the failure. The manufacturer was notified of the failure and informed the contact that the vehicle was not covered under the Manufacturer Communication Number. The vehicle was not repaired. The failure mileage was approximately 155,620.

Filed Sep 21, 2023 · Engine, Transmission · 120,000 miles · FL

The contact owns a 2012 Hyundai Genesis. The contact stated while driving 25-30 MPH, the vehicle stalled inadvertently. There was no warning light illuminated. The contact was able to veer to the side of the road. The contact was able to restart the vehicle and continue driving. The contact stated that the failure had been recurring while driving. The vehicle was taken to an unknown local dealer, and to an independent mechanic; however, the failure could not be duplicated. The vehicle was not diagnosed nor repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 120,000.

Filed Sep 1, 2022 · Brakes, Transmission · 25,000 miles · KY

The contact owns a 2012 Hyundai Genesis. The contact stated that vehicle was taken to the dealer to be serviced under the federal safety agency Campaign Number: 13V489000 (Service Brakes, Hydraulic) however, days later the contact stated that while driving the brake pedal was depressed and felt spongy while the vehicle was coming to a stop. The vehicle was taken back to the dealer where the brake rotors were replaced on the vehicle. The contact stated that failure reoccurred approximately 25,000 miles later; however, the vehicle was not taken back to dealer for diagnosis to be repaired. The contact stated that at 35,666 miles, the vehicle was taken back to the dealer where he was informed that the front brakes needed to be replaced. Additionally, an abnormal noise was heard coming from the transmission. The contact was informed that the transmission needed to be replaced. The transmission and front brakes were replaced. The contact stated that while parking the vehicle after picking it up from the dealer, he heard a popping sound. The vehicle was taken back to the dealer where he was informed to reinstall the old transmission. The transmission was replaced; however, the failure persisted. The manufacturer was notified and case was opened. The approximate failure mileage was 25,000.

Filed Aug 18, 2022 · Transmission · TX

When on the road the Transmission stall's, especially when the Transmission heat up. It's as if the Transmission is ready to explode.

Filed Feb 12, 2021 · Transmission · 45,000 miles · IL

The hyundai genesis has a transmission problem where it slips out of gear and rough shifts 2-3rd gear and 4-5th gear. I took the car to the dealer and they could not duplicate. They updated software, no change. I contacted hyundai multiple times. I am second owner of vehicle with 45k on it. They would not honor factory warranty since I am second owner. The tsb no. 15-at-005 applies to this problem. The transmission should have been recalled instead of tsb.

Filed Jan 28, 2021 · Electrical, Engine · 94,543 miles · GA · 1 injury

Complete failure of engine. Sensors and electrical components malfunctions. Touch screen display non responsive and keystrokes off. Gas/fuel would spew back out when filling. Windshield visibility poor. Lighting dim. Hydraulic system fail. Timing belt fail. Flang sound (ticking in engine) LED to engine fail. Electrical lights flickering was me. Vehicle stalled out completely shutting off locking up and seizing out. Components malfunctioning. Hard brake checks, high RPM rrevving, and idleing all are shown when car was traveling at 45 MPH and no change in speed. Failure of fluids cause corrosion and hecu. Engine light indicator and engine oil lamp light flickering with no distinct pattern. Proceeded to bang loud in engine. Rpm rev 2-3k before speed catches. Cd player problems. Always making a sound as if it is trying to eject and then sputters out. In 2 days the entire vehicle went from no lights displaying no knocking sound. 94k miles total

Filed Aug 4, 2020 · Transmission · 60,000 miles · GA

Tl* the contact owns a 2012 hyundai genesis. The contact stated that while driving at a low rate of speed, the vehicle stalled after the accelerator pedal was released. The contact stated that several unknown warning lights were illuminated. The vehicle was shifted into neutral, restarted, and operated as intended. The vehicle was taken to an independent mechanic to be diagnosed. The mechanic was unable to duplicate the failure. The vehicle was not repaired. Neither the dealer nor the manufacturer were notified of the failure. The failure mileage was 60,000.

Filed Apr 9, 2020 · Transmission · 80,000 miles · OR

Transmission slips. I'm at 80k miles. I thought I could determine which gears it's slipping but at times it's been between 2 &3, 3&4. The car will rev high on rpms with out correlating speed and then catch. Jerks between gears at times. I feel so unsafe in this hyundai and I don't I can afford the cost. I know it's not from my driving.

Filed Feb 3, 2020 · Electrical, Steering · 83,000 miles · IL

When turning steering wheel a number of things can happen, radio turns off,steering locks up. All dash lights come on and power batt light lights up. Has stalled in intersection when turning. Trans shifts hard and slips into gear when on a long drive