2022 Hyundai Tucson Hybrid: engine failure

Filed Sep 9, 2025 · Airbags, Brakes · TX

All warning lights and audible alarms started going off at the same time. EPS, ABS, Auto Hold, Collision warning, Air bags, All wheel drive, brake system, and more.1st time it happened was [XXX], while driving. The car was drivable but I did notice a difference in braking and acceleration. I parked and turned off the car. I did turn the car back on several times and the alarms continued. I finally turned it off for 10 min, and all alarms stopped, but the check engine light stayed on. Car sat overnight and all warnings had stopped. Took it in for service, and issue could not be duplicated. 2nd time it happened was [XXX]. I had to have the car towed since it would not move when in drive or reverse. Alarms were still going off when it made it to service. They replaced the brake harness. 3rd time happened on [XXX], 3 days after the brake harness was replaced. Towed it to service and they replaced the engine harness. 4th time was on [XXX], 2 weeks after engine harness was replaced. This time there were no audible alarms, just all of the visual ones. Same performance issues as stated before. This issue seems to have happened to several other Hyundai owners as well, as per complaints in Reddit and on Hyundai forums. There does not seem to be a consensus for what is actually causing this issue. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Aug 12, 2024 · Engine · WA

Engine failed to switch out of battery power and loses power on the highway. This has happened on two different days the first time I had 58,000 mile the second time after Hyundai said it had been repaired the car has 65,000 mile. Both times my car went from 60 mph to 30 mph quickly. The last time I was in a construction zone and unable to get off the road and was only driving at 10 mph on a very busy highway. The car has been at the Hyundai shop since June. No there were no warning lamps, or messages.

Filed Jul 13, 2023 · Engine · NY

My car broke down on the highway, found oil leaked out. Oil Plug fell off during drive making immediate oil loss which in result caused catastrophic engine failure. Vehicle needs new engine. The car received service maintenance in authorized Hyundai City of Bay Ridge Dealership. Car is less then one years old with only 4500 miles on it and oil plugs are not supposed to fall off the car without any apparent reason.

Filed May 11, 2023 · Electrical, Engine · NE

I bought a ‘22 Tucson Hybrid in Sept of ‘22. Upon delivery there were issues w paint & a dent on the rear qtr panel. The bigger issue however, is disconnect in communication between the EV motor, gas engine & transmission. All work is done @dealership and well maintained. History of EV over 8 months: @1000 miles noise under vehicle began. Dealership inspected, all checked out. The dealership has done all servicing as scheduled. From 1000 to 12,000 miles, the vehicle drove best if in sport mode. Sport mode utilizes the gas engine and not EV. When in EV modes, the vehicle runs high rpms or it’s sluggish. It’s never consistent. In some instances; the vehicle will actually stall for 2-3 seconds and kick back on. 1 instance was at a stop light, turning left. Mid turn, gas to the floor, the vehicle stalled for 3 seconds before responding. I was almost hit at 50 mph in the intersection as both motors failed me. The next day, 3 lights came on: An EV, check engine and Hybrid motor light came on, 3 total. My Hyundai app stated: issue communicating EV and Gas motor, EMS communication error. This cleared itself in 36 hrs but I couldn’t drive it safely for a week. I took it to the dealership, everything checked out. 3 days ago @ 17,400 miles, I received a text: Hyundai stated car unfit to drive. DTC code U062300, U111200, U02BB0:Powertrain EMS issue. The techs had it 2 days, fixed it. 3 blocks from dealer, check engine light came on again. I returned it to dealer. I’ve found 32 accounts of these codes resulting in a Hyundai buy-back, new engine, new transmission or settlements. I’m told my EV motor, gas engine and transmission won’t communicate even after software / firmware updates & mechanical changes. I don’t feel the vehicle to be roadworthy and I don’t feel safe driving it, if Hyundai has no fix. I’m told, many sales of this model @ my dealer have the same issues. Bad batch? I paid $47k (car & warr) I’m hoping for a buy back or to get into a Toyota hybrid of = value

Filed Feb 3, 2023 · Engine, Transmission · MS

The vehicle is currently at the dealership. I purchased the 2022 hyundai Tucson hybrid limited in April. Have gotten my oil changes done religiously at the dealership. Vehicle is at 22k miles. And had oil change 5 days prior to incident. I was on the way to work and vehicle started to struggle to accelerate, engine began malfunctioning. Vehicle dropped drastically from 80mph Dow to 25-30 mph in short period of time, would have been rear ended if not in right lane already. No warning or previous problems. No warning or check engine lights EVER came on before the vehicle would not drive at all. And was told by the vehicle to “check hybrid system stop safely”. Called roadside and vehicle was towed to dealership. They diagnosed as “the timing chain was ‘missing’ one of the cylinders, causing a loss of power from the gasoline engine and the hybrid system attempted to compensate for lost power, resulting in engine failure” later that day when I arrived from work to get a loaner I was told that it was a broken camshaft and warranty would pay for a new engine.”