Genesis G80 Electrical problems by year

vehicle still would not start because the starter relay circuit was failing. Instead of repairing or replacing the defective recall relay assembly, the dealership wired an unauthorized aftermarket Relay Bypass Switch Kit (Part #54762610) directly into the under-hood recall relay assembly. Shortly after retrieving the vehicle and installing a new battery, the under-hood relay assembly and bypass switch caught fire, melting the components and leaving the vehicle inoperable. Both the dealership and Genesis Motor America have failed to remediate the fire damage or honor the safety recall repair. I have both service invoices and photographs of the burned components available for NHTSA investigators. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

prevent engine fires. This unauthorized, un-fused modification caused a severe electrical short and a subsequent thermal fire incident under the hood. The fire physically melted and destroyed the recall component and adjacent wiring infrastructure. The dealership and corporate office are now refusing to fix the fire damage they caused unless I pay out of pocket. I request an immediate federal investigation into this hazardous repair practice that completely compromised a critical safety recall remedy. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

cruise control will not automatically slow down for upcoming curves, forcing the driver to intervene suddenly or risk carrying too much speed into a turn. Missing speed limits: If the navigation system fails, the car may display the wrong speed limit, or none at all, increasing the risk of accidental speeding or sudden braking when a camera finally catches a sign. Reliance on phones: If the primary infotainment screen is dead or the GPS is frozen, drivers frequently resort to handling a smartphone to find their way. Looking down at a phone screen significantly increases glances away from the road, which is a leading cause of distracted-driving accidents. Delayed Emergency Response: Connected safety services use the car's internal GPS module to automatically broadcast the vehicle's exact coordinates to emergency responders in the event of a severe collision or airbag deployment. If the GPS framework within the navigation system is entirely non-functional, the vehicle may fail to transmit this critical location data or provide incorrect data when every second counts. This problem has been reproduced by dealers and many other owners. The manufacturer is aware but has not provided any details. Most people who have already took it to the dealer have not received any help. This happened directly due to the most recent software update.

lanes or driving at highway speed. A driver may press the accelerator but not receive the expected forward power. A [[redacted]] infant is regularly transported in the vehicle. The vehicle also has a faulty right-front ABS wheel-speed sensor, a passenger seat-belt safety-system communication fault, and intermittent electrical or sensor warnings. Genesis TSB 21-AT-010HG-1 applies specifically to the 2017 G80 and addresses shift flare or harsh shifting during the 2-3, 3-4 and 4-5 shifts. It requires transmission-solenoid, wiring-harness and fluid inspection procedures. TSB 19-AT-014HG also addresses harsh or delayed shifting in 2017-2018 G80 vehicles and provides electronic shift-data testing. The written repair estimate does not establish whether all applicable TSB diagnostic procedures were completed. The model also has electrical recall history, including NHTSA recalls 24V-107 and 21V-161. I am not claiming the recalls caused the transmission failure, but the concurrent transmission, ABS, seat-belt and electrical faults warrant investigation. I request that NHTSA examine similar G80 complaints involving slipping, shift flare, delayed shifting and loss of propulsion. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

said they had replaced a harness to get the door switches working properly. However the same issue has not started again. leading me to believe that was not the cause of the issue. Like before trying to roll the windows down from either the drivers master switch or any of the passenger door switches results in no operation conditions. randomly it will start working for a bit but than go back to inoperable. This problem has been occurring since i got the car and will be calling the dealer back again to express the dissatisfaction and failure to repair what they claimed to have fixed. It has already spent just under 2 months in the shop out of the 3 months that i have owned the vehicle.

including Forward Collision-Avoidance Assist, Automatic Emergency Braking, Driver Attention Warning, Lane Assist, and Master Warning have illuminated without cause. This vehicle has been presented three times for repair attempts specifically for these braking and steering systems and has been out of service over 30 cumulative days. The manufacturer was unable to duplicate or repair the defect and returned the vehicle unrepaired. On March 12, 2026, Genesis Corporate (Case Manager Terrence) stated they were coordinating with Genesis of Selma to schedule a fourth repair attempt. However, on March 26, 2026, Mike at Selma Genesis stated via text: "We as a dealer won't be working on your car." This directly contradicts Genesis Corporate and has prevented further repair attempts. On [[redacted]], while traveling approximately 55 mph, the vehicle experienced a sudden loss of steering control combined with unintended braking, causing it to leave the roadway and collide with pistachio trees. Law enforcement responded. I sustained back and neck pain and sought medical care. The defect remains unresolved and poses a serious risk of injury or death. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NOT deploy, - The SRS system recorded a crash severe enough to trigger other airbags, - The vehicle now displays B1378, confirming an internal fault. The failure of the primary driver airbag to deploy during a crash is a critical safety malfunction. Combined with the presence of B1378, this raises substantial concerns regarding a defective airbag module, wiring harness, or sensor - all of which fall under manufacturer responsibility and federal safety standards. I am requesting the following: Immediate corrective action, including repair or replacement of all defective components. Documentation of this issue in your internal safety-defect tracking system. Given the severity of this failure and its implications for driver safety, I am also submitting this information to the National Highway Traffic Safety Administration (NHTSA) for review. Please confirm receipt of this letter and provide a written response outlining the next steps. Sincerely, [[redacted]] Hagerstown, MD --- INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

impact with the steering wheel and dashboard. The lack of deployment has worsed the outcome 3. Not yet I am seeking a diagnostic scan from genesis - certified dealer to confirm the failure and identify any fault codes in the airbag system. 4. The vehicle is being assigned to an ajuster but not yet by genesis or nhtsa. I am requesting a formal inspection by genesis and will provide access to the vehicle. 5. There was no warning lights or messages prior to the incident. 6. I was navigating a turn when a deer entered the roadway I swerved and the front right wheel became struck causing me to strike an embankment. The control arm broke and the impact triggered full airbag deployment including rear seat airbags but not the steering wheel airbag based on the severity and location of the impact, the steering wheel airbag should have deployed. I believe this failure may be due to a sensor malfunction or defect in the airbag system. This raises concerns regarding the reliability of the vehicle's safety mechanisms, as the absence of steering wheel airbag deployment during such a significant frontal impact posed a serious risk to driver safety.