Certain GV70 (JK1, JK1A), GV80 (JX1) and G80 (RG3) vehicles may have a hum or whine noise condition from the rear differential at certain speeds. This bulletin describes the procedure to inspect the vehicle for the hum or whine noise and if necessary to tighten the rear differential lock nut first. If the hum or whine noise remains, then replace the rear differential or other driveline components as necessary.
full bulletin at NHTSA ↗2017 Genesis G80 powertrain problems
moderate 7 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
Complaints
7
Recalls
0
Avg fix
$2,500
When does it fail?
Of the 7 powertrain complaints filed for the 2017 Genesis G80, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This TSB provides a procedure to diagnose and replace, if necessary, an automatic transmission with Incorrect Ratio DTC (transmission clutch slip in gear above limit) listed on Page 2.
full bulletin at NHTSA ↗When servicing a vehicle with a âCheck Engine lightâ and any of the DTCs listed below, follow the Service Procedure to replace the related solenoid and E-module or park position switch.
full bulletin at NHTSA ↗This Service Bulletin provides a procedure to replace the solenoids listed below for harsh shift and/or shift flare during the 2~3, 3~4 or 4~5 upshift.
full bulletin at NHTSA ↗Drive the vehicle with the ATF at normal operating temperature (158~212°F) (70~100°C). If the vehicle has a shift flare and/or harsh 2~3, 3~4 or 4~5 upshift, follow the procedure below. Dealers must check the vehicle tag on the driverâs door pillar to determine the production date.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 4 most recent
The contact owns a 2017 Genesis G80. The contact stated while driving at various speeds, the vehicle lost power for approximately 2-3 seconds. The contact stated that there was a loud thump when the transmission shifted gear. The vehicle was taken a dealer to be diagnosed. The contact was informed that the transmission was shifting rough between 2nd to 3rd gear and 4th to 5th gear. The contact…
2017 Genesis g80, all wheel drive, 3.8 l engine. Car was being driven on a 4 lane expressway in heavy, rush hour traffic using advanced cruise control set near speed limit. G80 was in the left lane attempting to pass a vehicle on the right. There was a vehicle ahead of the g80. Driver noticed another vehicle coming up fast from behind until it was very close to the rear of the g80. When…
While driving on an incline toward a stop sign, the vehicle turned off. While moving forward as cars pulled out of the stop sign the car lurched (similar to if you were hit from behind) and all screens went dark and all electronics went off. Everything came back on within 1-2 seconds and the car proceeded as normal.
The contact owns a 2017 Genesis G80. The contact stated occasionally while shifting into gear, the vehicle jolted, with an abnormal sound coming from underneath the hood. There was no warning light illuminated. The local dealer was contacted, but the vehicle was not diagnosed or repaired because the warranty had expired. The manufacturer was not made aware of the failure. The failure mileage was…
Had powertrain trouble with your 2017 Genesis G80?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the powertrain problem on the 2017 Genesis G80?
It's a documented issue but not catastrophic. 7 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Based on the 7 complaints filed, powertrain issues most often appear around 31,460 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2017/Genesis/G80.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.