Some Genesis vehicles (listed below) equipped with Lambda-III 3.5T-GDI engines may exhibit reduced heater performance due to engine coolant deposits clogging the heater core. This bulletin provides instructions to verify the concern and to replace the front and rear heater core (if applicable).
full bulletin at NHTSA ↗2025 Genesis GV70 engine problems
moderate 3 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
When does it fail?
Of the 3 engine complaints filed for the 2025 Genesis GV70, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
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 engine 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.
Some GV70 (JK1A) vehicles equipped with 2.5T engines may display a check engine light with DTC P04F000 (EVAP System High Load Purge Line 'A' Performance) due to debris inside the dual purge ejector assembly and/or intercooler outlet hose. This bulletin provides instructions to perform a DTC check, and if necessary, replace the dual purge ejector assembly and intercooler outlet hose.
full bulletin at NHTSA ↗This notice is being sent to you as our records indicate you may have previously received an important Service Campaign notice for Genesis Campaign Number 914G. “Genesis is conducting a service campaign to update the Engine Control Module (ECM) Software for certain 2021 – 2024 model year G80, certain 2022 – 2025 model year GV70, and certain 2021 – 2024 model year GV80 vehicles equipped with 2.5 T-GDI engines.” Genesis has revised the list of vehicles impacted by Campaign 914G and determined that your vehicle IS NOT affected by this service campaign.
full bulletin at NHTSA ↗Genesis has become aware that some vehicles may exhibit a malfunction indicator light with DTC P26CB00 (Engine Coolant Pump Performance/Stuck Off). This may be caused by a stuck impeller on the EWP for the water-cooled intercooler.
full bulletin at NHTSA ↗Genesis has become aware that some vehicles may illuminate the Check Engine Light indicator as a result of detected engine misfires.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 2 most recent
When I press the gas pedal halfway or 3/4 nothing happens - which is really bad in heavy traffic situations. On the highway, I floored it and the RPM was racing but it wouldn't shift up, so the engine was racing but there was no acceleration at all. I backed off and accelerated lightly, it would speed up. Scary. I have stomped on the accelerator it will rev to between 4 and 5 thousand rpms never…
The contact owns a 2025 Genesis GV70. The contact stated that while on the highway driving at 55 MPH, the vehicle suddenly stopped. There were no warning lights illuminated. The vehicle was restarted. The vehicle was towed to the local dealer, but they were unable to determine the failure. The vehicle was not diagnosed or repaired. The contact was provided a loaner vehicle. The manufacturer was…
Common questions
How serious is the engine problem on the 2025 Genesis GV70?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Based on the 3 complaints filed, engine issues most often appear around 13,500 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 $3,100 for engine 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 engine?
No active recalls currently cover engine 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.