2018 Genesis G80 electrical system problems
22 owner complaints filed with NHTSA name the electrical system on the 2018 Genesis G80 — 23% of all complaints for this model year.
What owners report
“I am writing to formally report a serious safety defect in my Genesis vehicle and to request immediate investigation, documentation, and corrective action. Following a recent crash event, my vehicle’s diagnostic scan revealed DTC B1378, which is associated with a fault in the airbag system…”
filed Jan 12, 2026
“There is a known issue with these vehicles where the Oil Pressure Sensor/Switch triggers at idle and low RPMs but nothing is necessarily wrong other than the sensor itself. However, since the sensor malfunctions, owners can’t know if the pressure is actually bad or if oil levels are normal. This is…”
filed Jan 7, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Water may enter the starter solenoid and cause an electrical short, which can result in…Campaign 24V107000 · Feb 13, 2024
Related service bulletins
Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Connected Car Services functions. This may be due to an irregular disconnection on Verizon’s communication network. Follow the…
25-01-024G-1 TSB · Service Campaign · issued May 8, 2025Certain Genesis vehicles may experience an inoperable horn from moisture or carbonization at the contact point. This bulletin provides a guide to inspect and replace the horns.
25-GI-009G · Service Bulletin/Repair Instructions · issued Apr 29, 2025Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon's communication network. If you are…
25-01-024H EM · Service Campaign · issued Apr 7, 2025Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon’s communication network. Follow the procedure…
25-01-024H TSB · Service Campaign · issued Mar 18, 2025
Electrical System problems in other G80 years
| Year | Reports | Share |
|---|---|---|
| 2019 G80 | 8 | 30% |
| 2017 G80 | 22 | 34% |
Other reported problem areas on the 2018 Genesis G80
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.