2017 Hyundai Sonata Cruise Control Problems

Tl* may 3, 2019 2:34 p.m, contact was driving very slowly to make the turn into my assigned parking space, when all of a sudden, on its own, my car accelerated at great speed, forcefully pressing me against the seat back, flying over the stop curb at the front of my space, continuing across the gravel leeway before smashing part way through the cement block wall that surrounds our property.

I was driving very slowly to make a turn into my garage when the car accelerated on its own and hit the side of my house breaking through a patio guard rail. The front wheels of the car went over the bulkhead. Insurance company sent a wrecker to retrieve the vehicle.

Tl* the contact owns a 2017 hyundai sonata. While stationary on "auto-hold", the vehicle accelerated rapidly without warning at 40 MPH and crashed into a fence. After the contact released her foot from the accelerator pedal, the vehicle kept accelerating.

On 10-15-17 I had an incident of an unintended acceleration as I was turning into my driveway. The car made a loud vroom noise and I tried to brake and the brakes failed me and I put the car into park and it still moved where it hit my garage door. I have tire marks all over my driveway from this incident.

Tl* the contact owns a 2017 hyundai sonata. While pulling into the driveway, the vehicle accelerated independently and crashed into the garage. There were no injuries.

Tl* the contact owned a 2017 hyundai sonata. While driving approximately 5 MPH and turning to the right, the vehicle suddenly accelerated and surged forward. The vehicle drove onto a nearby lawn and eventually crashed into a tree.

Check engine light start flickering while I was driving down the road my vehicle went into limp mode and I lost all power. I checked my oil for metallic shavings or a creamy look but everything was cleaned. I got a code 1326 for knock sensor.

The vehicle has twice been disabled while driving due to “lost communication with hybrid module powertrain control module.” This breakdown is a significant safety hazard as the car loses power and coasts to a stop without any warning. The second time was on a 65 MPH highway. Neither time has had any warning before the malfunction lights appeared.

The contact owns a 2017 Hyundai Sonata. The contact stated while driving 25 MPH, the accelerator pedal was depressed seized on the floorboard. The check engine warning light illuminated.

While driving the engine light comes on and blinks rapidly and the car drops from the speed of 65 to 15 or below in second. The code was p1326 with is the knock senor. I changed it and the code went away.

Had open recall ,, an ecm update and wile hyundai in columbia ct. And after it was done the car worked fine for about a week , now I'm lacking acceleration for miles per gallon has decreased 50% burning gas quickly plus is burning about a quart of oil a week, but there's no check engine light, change the spark plugs and air filter still the power has decreased 30%.

Tl* the contact owns a 2017 hyundai sonata. While driving 65 MPH with the adaptive cruise control engaged and changing lanes, the vehicle independently slowed without warning. The contact called key hyundai of salem 470 s broadway, salem, nh 03079 (603) 841-3099, however the vehicle was not diagnosed nor repaired.

Tl* the contact owns a 2017 hyundai sonata. While the vehicle was stationary, it rapidly accelerated without warning. Hyundai of jasper in jasper, alabama was made aware of the failure.

Important: This is hybrid vehicle. With the cruise control set to maintain a constant speed and while descending a long hill, the vehicle speed is maintained using dynamic braking by charging the battery.

Issue: cruise control speeds up too much going uphill, and slows down too much going downhill. Description: I set my cruise control to 75mph, the car will go over 77mph when going uphill, and slows down below 73mph when going downhill without any driver input. This doesn't occur on other gasoline only hyundai I drove such as santa fe.