2023 Genesis G80 Electrified

Our 2023 Genesis G80 electrified has been towed three times for the 12v battery or its electrical system. We have yet to drive the Genesis once. It is a safety danger which produces toxic smells in the interior and the trunk plastic gets hot to the touch. The interior was impregnated with the smell as the car was closed. Given the symptoms, the dealership refused to drive the vehicle for service and had it towed due to safety concerns. They attempted repairs three times, finding no error codes or answers the first two times. They returned the dangerous defective vehicle twice. On the third repair attempt, they stated the battery has a short circuit that is causing it to overheat to temperatures over 166 degrees. They also found the accelerator pedal and sensor assembly was out of specifications. Both were replaced, but they have been unsuccessful in getting the smoke/burnt smell out of the vehicle. It has saturated into all of the interior surfaces. Both are extreme concerns for fire risk as well as danger when driving since the accelerator pedal was not working as it should have been.

NHTSA ID

11528366

Incident

May 16, 2023

When using the I-Pedal feature the brake lights do not come on at any point when lifting off the accelerator pedal gradually. This certainly can cause the vehicle to rear ended if the following car is not paying attention. If you take your foot off the accelerator fully for full regeneration the brakes lights do come on. I was following my wife in her Genesis G80 EV and I noticed the brake lights not coming on. I did report it to both Genesis and the dealer but they did not know of any issue or could tell me when the brake lights should come on. This issue has been reported in the following article and it looks like it may be an issue with all the Hyundai Group EVs. https://apple.news/AyymCGI5gTlCa1ZeFW0jAxg

NHTSA ID

11524183

Incident

Jan 31, 2023

Genesis is extending the warranty coverage for the Integrated Charging Control Unit (ICCU) and ICCU fuse to 15 years/180,000 miles from the date of original retail delivery or date of first use (whichever occurs first) and is valid for original and subsequent owners.

Genesis is extending the warranty coverage for the Integrated Charging Control Unit (ICCU) and ICCU fuse to 15 years/180,000 miles from the date of original retail delivery or date of first use (whichever occurs first) and is valid for original and subsequent owners. Follow the flowchart in Technical Service Bulletin (TSB) 26-EV-004G to check for an active or stored occurrence of any Diagnostic Trouble Code (DTC) that requires replacement of the ICCU and replace the ICCU and ICCU fuse if necessary. Some vehicles may have an active DTC that requires ICCU replacement. Please note that any vehicles under 15 years/180,000 miles are covered by this TSB, even if vehicle is within High Voltage Warranty of 10 years/120,000 miles.

Genesis is extending the warranty coverage for the Integrated Charging Control Unit (ICCU) and ICCU fuse to 15 years / 180,000 miles from the date of original retail delivery or date of first use (whichever occurs first) and is valid for original and subsequent owners. Follow the flowchart in this bulletin to check for an active or stored occurrence of any Diagnostic Trouble Code (DTC) that requires replacement of the ICCU and replace the ICCU and ICCU fuse if necessary. Some vehicles may have an active DTC that requires ICCU replacement.

This bulletin provides information related to the navigation and head unit software changes introduced in the 2026 1st Navigation Map and Software Update. The changes may vary depending on vehicle type, model, and navigation system. Refer to the 2026 1st Navigation Map and Software Update Key Improvements and Additional Improvements tables in this TSB for a list of specific changes. The software can be downloaded via Navigation Updater (NAU) and updated by USB.

The National Highway Traffic Safety Administration (NHTSA) has identified the presence of substandard and dangerous driver’s-side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN). These inflators were not supplied, approved, or authorized by the vehicle manufacturers and have primarily been found in vehicles that previously experienced a crash and underwent airbag replacement using non-genuine parts. These dangerous inflators have ruptured during deployment, posing a serious risk of injury or death due to metal fragments entering the vehicle cabin. To date, Hyundai is aware of three people who have died while driving a Hyundai vehicle with one of these substandard replacement airbag inflators that deployed in what likely would have been a survivable crash. NHTSA has issued a public advisory urging vehicle owners and service professionals to have vehicles inspected if there is reason to believe that a non-genuine replacement airbag may have been installed. Vehicles with salvage or rebuilt titles, prior airbag deployments, or unknown repair histories may present a higher risk. NHTSA strongly cautions against self-inspection by vehicle owners and recommends inspection by trained technicians.

The National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety advisory regarding dangerous, counterfeit driver‑side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN), that have been identified in U.S. vehicles following prior crashes, theft, or non‑certified airbag replacements. These inflators are not approved for use, may rupture during deployment, and have caused serious injuries and fatalities. Please see attached announcement, provided by NHTSA, for more details.