What 983 owners told NHTSA about the 2017 Hyundai Tucson Fuel Cell

The contact owns a 2017 Hyundai Tucson. The contact stated that while attempting to accelerate, the transmission failed. There were no warning lights illuminated. The vehicle was taken to the local dealer, where it was diagnosed and determined that the transmission needed to be replaced. The vehicle was repaired, but the failure reoccurred. The contact stated that while driving approximately 25-30 MPH, the vehicle was making an abnormal rattling and knocking sound that was coming from the engine while accelerating. The transmission was shaking continuously while driving at 10 MPH. The vehicle was taken to the local dealer, where it was diagnosed with camshaft and engine failure and needed a cam finish over an advanced timing system overhaul. The contact was informed that the camshaft, CVT, timing chain and tensioner, front valve cover and valve cover gasket, turbocharger, turbocharger gasket, and turbocharger lines needed to be replaced. The vehicle was not repaired. The manufacturer was contacted, but no assistance was provided. The failure mileage was approximately 92,000.

NHTSA ODI 11676554

The contact owns a 2017 Hyundai Tucson. The contact stated that the vehicle was consuming an excessive amount of engine oil. The contact was topping off the oil weekly. The failure had become more persistent. While driving 65 MPH, the vehicle started shaking and was making a knocking sound at the front-end by the engine compartment. The check engine warning light was flashing. The contact coasted to the side of the road and checked the oil level. The oil level was low, and the contact added oil to the vehicle. The contact restarted the vehicle, and the vehicle began shaking, making a knocking sound from the front end, and there was white smoke coming from underneath the hood of the vehicle. The vehicle was turned off, the smoke ceased, and the vehicle was left parked in the parking lot at work. The dealer was not contacted. The manufacturer was not informed of the failure. The failure mileage was 100,000.

NHTSA ODI 11648935

See attached document for complaint.

NHTSA ODI 11629230

The contact owns a 2017 Hyundai Tucson. The contact stated that while his girlfriend was driving approximately 50 MPH, the engine started knocking, and the vehicle stalled. The contact stated that several unknown warning lights were illuminated. The contact stated that the engine was consuming one quart of oil every week. The vehicle was towed to an independent mechanic who determined that the engine was blown. The vehicle was towed to the local dealer, where it was diagnosed that the drive belt was frayed, the crank pulley was deteriorating, and that there was a misfire in cylinder #4. The catalytic convertor DTC code: P0240 was displayed, the exhaust was burned, and there was excessive oil consumption. The manufacturer was contacted, and the contact was informed that there was no warranty coverage on the vehicle. There was no assistance provided. The failure mileage was approximately 100,000.

NHTSA ODI 11613787

The contact owns a 2017 Hyundai Tucson. The contact stated that while at a complete stop, the vehicle hesitated and sputtered upon the depression of the accelerator pedal. Upon inspection of the engine compartment, the contact discovered that the oil level was low. The vehicle was taken to a dealer where the contact was initially informed that the failure was normal with similar vehicles. The contact stated that the failure persisted, and the vehicle failed to start with the oil warning light illuminated. The contact checked the oil level, and the oil was full. The vehicle eventually started with the check engine and air bag warning lights illuminated. The vehicle was taken back to the dealer where the vehicle was diagnosed with engine failure. The manufacturer was notified of the failure. The vehicle was not repaired. The failure mileage was approximately 120,000.

NHTSA ODI 11610796

The contact owns a 2017 Hyundai Tucson. The contact stated while driving at an undisclosed speed, there was a loud knocking sound coming from the engine, and the contact was unable to keep driving the vehicle. The contact was able to pull the vehicle to the side of the road. The vehicle was towed to the residence and then to a local dealer where the failure was related to an engine malfunction and oil leaking. The contact was advised that the engine needed to be replaced. The contact stated that the transmission was previously replaced twice. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 112,000.

NHTSA ODI 11594456

The contact owns a 2017 Hyundai Tucson. The contact stated that heavy, black smoke would emit from the tailpipe upon the start of the vehicle without warning. Upon inspection of the vehicle, the contact discovered that the oil level was low. The vehicle was taken to a dealer where a diagnostic test was performed, and the diagnostic test showed that the vehicle was consuming excessive amounts of engine oil. The contact was informed to bring the vehicle back to the dealer every 1,000 miles to track the oil consumption. The oil gasket, oil filter, and oil pan were replaced; however, the failure persisted. The manufacturer was notified of the failure and referred the contact back to the dealer. The vehicle was not repaired. The failure mileage was approximately 70,000

NHTSA ODI 11582195

The contact owns a 2017 Hyundai Tucson. The contact stated the vehicle was taken to an independent mechanic for a scheduled oil change, and the contact was informed that the oil level was extremely low. The oil light was illuminated. The contact took the vehicle to the dealer for an oil consumption test. The vehicle was checked after 1,000 miles and failed the consumption test. The vehicle was not repaired, and the failure persisted. The manufacturer was notified of the failure but offered no assistance. The failure mileage was approximately 95,000.

NHTSA ODI 11566200

Not to long after I purchased the car I have to put oil in the car every 4 to 5 weeks.Sometimes the motor sounds like it’s going to blow.The car slows down and sounds loud.Never once has a oil light turned on.When I checked the oil it doesn’t appear on the stick.

NHTSA ODI 11544390

The contact owns a 2017 Hyundai Tucson. The contact stated that while driving at various speeds, the vehicle hesitated, lost motive power, and stalled. The vehicle was towed to the local dealer who diagnosed that the catalytic converter was faulty and needed to be replaced. The catalytic converter was replaced but the failure recurred. The catalytic converter was replaced a second time however, the failure returned. The manufacturer was notified of the failure, but no assistance was offered. The failure mileage was 110,000.

NHTSA ODI 11541091

The contact owns a 2017 Hyundai Tucson. The contact stated that while driving at an unknown speed, an abnormal knocking sound started with the check engine warning light was illuminated. The vehicle was taken to an independent mechanic and the contact was informed that the oil level was extremely low. The vehicle was taken to the dealer to service recall NHTSA Campaign Number: 21V727000 (Engine); however, the recall was not related to the failure. The manufacturer was notified of the failure. The vehicle was repaired. The failure mileage was approximately 63,000. The consumer stated that the vehicle was not repaired. The issue still persists, and the oil light never comes on. An oil consumption test from the mechanic was requested and the vehicle is to be checked after 1000 miles. Unfortunately, the oil only lasts approximately 400-600 miles before the engine starts knocking.

NHTSA ODI 11528309

The contact owns a 2017 Hyundai Tucson. The contact stated that while driving at various speeds, the vehicle would not properly accelerate while depressing the accelerator pedal. The vehicle was taken to the local dealer who diagnosed that the turbo booster was faulty and needed to be replaced. The vehicle was repaired; however, the transmission then started slipping and would not properly change gears. The contact stated that the check engine warning light was illuminated. The vehicle was taken back to the dealer who diagnosed that the transmission needed to be replaced. The vehicle was not yet repaired. The failure mileage was 45,000.

NHTSA ODI 11485712

The contact owns a 2017 Hyundai Tucson. The contact stated that while operating the vehicle there was a knocking sound coming from the engine compartment. While inspecting the vehicle it was discovered that the engine oil was extremely low, even though the oil had been recently changed. The vehicle was taken to the local dealer who initiated an oil consumption test. No further information was available. The manufacturer was notified of the failure. The failure mileage was 75,000.

NHTSA ODI 11477546