Genesis G90 Engine Problems
19 owner complaints filed with NHTSA across 7 model years.
Complaints by Year
Worst year: 2017. Best year: 2024.
Owner Reports
A representative sample of complaints filed with NHTSA.
The check engine light keeps coming on. We had spark plugs changed and still keeps miss firing. We are unable to switch between drive modes smoothly. We have taken in for service numerous times.
vehicle went dead. replaced the battery. Started after replacement but went dead a few days later. Towed to dublin CA genesis. Diagnosed as water corrosion to wiring harness. vehicle has less than 22000 miles, other than car washes and n...
PROBLEM: It has happened multiple times (about 20-25 times since the purchase of the vehicle in November 2022), always while having the engine running from a stop (variable stop length); when pressing the gas pedal to re-initiate the run...
I have replaced my thermostat four times in the last 18 months and I had it towed to the dealership again this morning for the same overheating problems.
GENESIS HAS BEEN IGNORING AN ACCELERATION PROBLEM I'VE MADE COMPLAINTS. ; KHOI NUOEN (GENESIS CUSTOMER CARE). RESPONDED AFTER A WEEK OF INVESTIGATION ' ENGINEERS AWARE OF HESITATION PROBLEM. THERE IS NOTHING WE CAN DO 'YOU ARE GOING ...
fuel smell Cannot make a service appt until June 2026 - at the earliest
I own a 2024 Genesis G90 with two active NHTSA recalls: 25V474 and 25V833. On April 19, 2026, the vehicle suffered a total electrical failure: “Check brake system” warning Engine would not start Electronic door handles failed; occupa...
About every 45 days the car will not turn off. Safety items like the rear view camera will not work. The main viewing screen will go dead. I called the dealership. They said this was a common problem with my car. The only fix is to attem...
* Recall Campaign Number : [018G, 019G] I. Statement of Complaint This complaint concerns a failure in a critical safety-related component that was previously addressed under a mandatory manufacturer recall, and the subsequent refusal by...
The contact owns a 2017 Genesis G90. The contact stated that while driving at 50 MPH, the check engine warning light illuminated. The driver immediately pulled over. The vehicle was towed to the local dealer, where it was diagnosed, and ...
Fuel pump failure and fuel injection failure.
See attached document for complaint.