Infiniti QX50 Complaints (2019)

145 consumer complaints on file.

#11577709March 15, 2024
ENGINE
Engine acceleartion issue. Rpm goes high but car struggle to speed up.. At first it happened when car was at stop light, struggle to move forward.. took to Grubbs infiniti.. At first,dealer could not replicate the issue, but luckily I had taken the video of the issue I had. Than the dealer was finally able to experience the issue themselves and replaced the transmission thinking that was the issue. I took the car after repair and within 3-4 days I had the same issue. This time I was driving in a freeway at 60 mph. When I hit the gas pedal to accelerate faster,the engine RPM went high but instead of speeding up, car felt like slowing down. So i exited the freeway to service road. Once the speed went down to 20mph, it didn't go any higher than that.This time there was a check engine light on I took it back to the dealership .They again could not replicate the issue and just did the ECM software update. I took the car home but after driving less than 20 miles,the car had the same issue. I again took it back to delearship. This time they are replacing something called VCR..Still waiting now
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11576077March 7, 2024
VEHICLE SPEED CONTROL, VISIBILITY:WINDSHIELD, SERVICE BRAKES
See attached document for complaint
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11572721February 19, 2024
FUEL/PROPULSION SYSTEM
I was driving my vehicle and I stopped at a stop sign. When it was clear I proceeded onto the highway. I took a left at the first exit and could hear a weird knocking noise. I could also feel the car was not accelerating properly. The vehicle was not driving right. I called a tow and took it to a repair shop. The owner of the car shop said that a rod had been blown and I need a new engine. I am 7000 out of my drive train warranty.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11567870January 25, 2024
ELECTRICAL SYSTEM, FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING, FORWARD COLLISION AVOIDANCE: WARNINGS
I was driving down an empty road, no one in front of me, beside me, or behind me and the automatic braking system applied itself and slammed on brakes abruptly and beeped twice, without any prior warning or obstruction, causing the car to jolt into braking. I have contacted the dealership regarding this and they are looking at the precollision and emergency braking system next week. There were no prior warnings this braking was occurring. The car has had multiple issues since purchasing including headlight blinking and replacement within the first month of ownership, automatic sunroof needing a replacement because it was installed in the factory wrong, and the door lock actuator not locking/ or unlocking upon clicking lock/unlock. The car has been in and out of the Infiniti dealership in the 4 months since purchase. The car was purchased September 2023, and it is now January 25th, 2024.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11560420December 16, 2023
ENGINE
I was driving on the highway and the engine started to make a humming sound I would say. Within the next 3 to 4 miles I started losing forward power, and the noise started to get louder. I was afraid my car was going to die on the highway so I stayed in the far right lane so I could coast into the shoulder if I had to. Thankfully, there was an exit and I was able to get off and pull off onto a street at which point it was a louder knocking sound coming from the engine. I drove another block and the check engine light came on and I was getting less power as I pushed the gas pedal. At that point I parked the car and had it towed for repair. This all happened on October 9, 2023. Later that week, I was told by the dealership that I needed a complete new engine that I had thrown a rod in the engine. The car was only four years old and had 75,000 miles on it. Infiniti did help pay part of the bill, but I still had to pay a good portion of the repair and oddly enough the morning after I drove it home, the car would not start. The car was towed back to the dealership. I needed a new starter. That too has since been repaired. I decided to report this after seeing an article this morning regarding an investigation into Nissan for engine failure problems in my model of car.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11556569November 23, 2023
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING, BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING, ELECTRICAL SYSTEM
There is a continuous issues with my battery dying. There are multiple malfunction lights showing, particularly the rear collision light. The check engine light is also showing, and I have had an oil change recently. The car breaks on its own. While backing into a space, the steering wheel would not completely turn right until I straightened up the car. Finally. I have had my driver's side car seat repaired three times by the dealership. It works sometimes and not others. Any suggestions on any or all of this would be helpful. Thank you.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11540612August 24, 2023
UNKNOWN OR OTHER
The Drive Unit Power Back Door. Part Number: 90560-5NA0B has failed and causes a severe risk of injury when trying to access the cargo area. The lift gate rises up and abruptly descends causing a hazardous situation to the consumer. This is a premature failure for a 4 year old car and has a very high cost to repair. The lift gate is very heavy and could cause severe injury if a person is struck by it while it is rapidly moving in a downward direction. It will not stay up and the “safety” feature is not functional.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11527612June 18, 2023
SEATS, ELECTRICAL SYSTEM
The driver seat electric motor has failed on three separate occasions. 7/29/21, mileage 22,984 9/3/21, Mileage 24156 7/12/22, Mileage 34,414 When the electric motor fails the seat can not move forward or back. Depending on the seat position at failure, certain individuals would not be able to reach the pedals to safely drive the vehicle. This could create a serious safety issue requiring some one to drive without reasonable control. Each time the motor failed it was replaced by the dealer. No warning lamps or indication of failure happened prior to the three times of this severe safety failure. As of 6/18/23 the seat has been working properly. I was in contact with a case worker at Infiniti numerous times ( between 7/11/22 and 8/11/22) and she did not think this was a serious problem, as if I was the only person reporting this issue. This was very troubling to me because it seemed to be a very serious safety issue. The last time I was at the dealer for service work (earlier this year) they revealed to me that this same issue has happened in other vehicles besides mine.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11522573May 17, 2023
SUSPENSION
My vehicle has only 36000 miles and I drive on paved roads in suburban settings. I have noted rattling noises in the front of my vehicle on 4/12/2023 and took my vehicle to the local Infinity dealer. My vehicle turned out to have failed shocks and loose shock/strut mounts requiring complete replacement of the parts
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11506389February 9, 2023
SERVICE BRAKES, FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
On 3 different occasions while traveling over 50 mph on the highway, with no other cars around, my Qx50 automatic emergency braking initiated and stopped my car. This is a serious safety issue and I am very lucky I was not rear-ended.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11494344November 21, 2022
FORWARD COLLISION AVOIDANCE: WARNINGS, FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
On three separate occasions, the collision avoidance system activated without anything blocking it. One incident I was driving at least 35 mph thru and intersection and the car suddenly halted to a complete stop jerking myself and my 6 year old forward. The vehicle behind me had to swerve to avoid rear ending me.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11487506October 2, 2022
SERVICE BRAKES, FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
The automatic braking system on my car seems to malfunction when going across the Louisiana/Mississippi bridge. As I was driving the car began to brake but it didn’t come to a complete stop. This put my safety at risk because there were cars behind me and if I would have come to a complete stop on the bridge it would have been a terrible accident. there was a warning issued on my dash while the car was beginning to brake on the bridge.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11486506September 26, 2022
SUSPENSION, SERVICE BRAKES, FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
I was driving around 30 mph crossing an intersection when the Emergency Braking system activated and caused the truck to stop. There was nothing obstructing the vehicle, nor were any pedestrians near. This is the 3rd occurence when this happened.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11476966August 1, 2022
FORWARD COLLISION AVOIDANCE: WARNINGS
Multiple instances of forward emergency braking system engaging on an empty road or when no vehicle is in close proximity. Dealer service department states insects on radar system may be to blame, and were unable to reproduce the issue. Warning light and brakes engage, depressing the brake pedal and returning to accelerator cancel the warning however sudden braking at highway speeds presents an unsafe condition to drivers following behind who may not anticipate sudden braking in free-flowing traffic.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11470590June 23, 2022
FORWARD COLLISION AVOIDANCE: WARNINGS
Forward Collision Avoidance system automatically applies brakes during normal driving situtations. This will increase the safety risk for passangers including small children, animals, the driver and other drivers and their passangers. The warning lights came on the same time the FCA applied brakes. Numerious complaints already registered suggest approved recall and repairs are required. The QX50 is overloaded with Sensory Packages, advanced technology and is being serviced by undertrained technicians as stated in previous complaints of insufficiant maintenance repairs fixing the safety issue. If we had been in an airplane instead of a car we wouldn't be here to file this notice!
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11466800May 31, 2022
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING, FORWARD COLLISION AVOIDANCE: WARNINGS, BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING
Was driving down the street going 55mph, not one car in front of me. The automatic breaking turns on and the car hit the brakes by itself. There was a car behind me during the first incident and it almost caused an accident. The driver thought I was brake-checking him and it caused him to have a fit of road rage. This particular incident has happened a total of 6 times. I took the car to Infiniti after the 2nd occurrence and they told me they couldn't find any issues with the vehicle.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11466837May 31, 2022
ELECTRICAL SYSTEM, VISIBILITY/WIPER, FORWARD COLLISION AVOIDANCE: WARNINGS
Multiple repeated problems with electrical system. Repeated crash sensor failure. This mainly happens when it is warm or sunny. The dealership has had the vehicle four times and the problem is still reoccurring. The malfunction light comes on when the car is first started or while driving. The dealership stated that none of the crash sensors work when it is lit. They have replaced the module that was diagnosed to be the problem, however there is still the same issues. They are going to replace the module again. They have replaced a module to control the wipers twice. The wipers still come on randomly when it is sunny, and the delay for the wipers does not work when it is raining. The cruise control stopped working and is throwing codes. This morning`s new warning was shift system malfunction. It's been in three times for the air-conditioner. The cooling fan was stuck on high speed until they replaced a sensor. The car was inspected and the brake pads were okay, however when the car stopped, there was a very loud pulsation. The dealership told me it needed rear brakes, which we replaced, and $600 later, they were still pulsating. After the second time taking it back, the dealer then said it was the tires which were new. We took it to a private garage, and the problem was warped, factory front rotars because they could not support the weight of the car. They were replaced with performance drilled and slotted rotars, which corrected the issue. The dealership cannot figure out the electrical issues, so they keep replacing the same parts and returning it back in a dangerous state. Since the vehicle is throwing so many codes and has so many malfunctions that I feel unsafe driving it. All of these problems problems started December 2019, when the car had 8000 miles on it. It has been to two different infiniti dealerships, neither being able to fix it. We have photos of all the codes, but when we tried to upload, it failed over and over.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11466239May 26, 2022
SEATS:FRONT ASSEMBLY:POWER ADJUST
The contact owns a 2019 Infiniti QX50. The contact stated that after starting the vehicle and attempting to adjust the seat, the seat failed to move backward or forward. The contact stated that the seat remained seized in one position after turning the vehicle on and off. The contact stated no warning light was illuminated. The contact had taken the vehicle to a local dealer who diagnosed that the driver's seat chair rail needed to be replaced. The vehicle was repaired. The contact stated that the seat failure recurred. The vehicle was not repaired. The manufacturer had not been informed of the failure. The failure mileage was approximately 53,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11454011February 25, 2022
VEHICLE SPEED CONTROL:ACCELERATOR PEDAL
The contact owns a 2019 Infiniti QX50. The contact stated while driving 60 MPH, the vehicle started to decelerate independently. The contact stated no warning light was illuminated. The contact was able to park on the side of the road and called the dealer to make them aware of the failure. The contact was able to continue driving to his destination. The contact stated he experienced the failure for a second time a year later. The contact called the local dealer and made them aware of the failure on the second occasion. The vehicle was not diagnosed or repaired. The manufacturer had not been informed of the failure. The failure mileage was approximately 20,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11444266December 18, 2021
FORWARD COLLISION AVOIDANCE: WARNINGS, FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
After multiple related incidents, I am compelled to make a report. My car just displayed red and white flashing indicators on the dash and automatically screeched to a halt, completely out of my control, in the middle of a busy intersection. Because the road was damp from rain, my car actually skidded. I was not going to hit anything, there was no car or object in front of me. I was driving at about 30 MPH. This has happened repeatedly in parking garages and other low-light scenarios. I have brought the car to the dealer and gotten no answers. At this point I am terrified to drive the car.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0

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