RELEASE NOTES: OVER-THE-AIR: SERVICE ACTION: SOFTWARE UPDATE FOR SHIFT-BY-WIRE AND WIRELESS PHONE CHARGER (SA618-SA626) - This Over-the-Air (OTA) software update is designed to update the Shift-By-Wire (SBW) and Wireless Phone Charger (WPC) logic of certain 2024 EV9 vehicles. This update is designed to improve shift control logic for smoother shifts into Reverse as well as the Digital Key 2 feature to better detect the NFC Card Key.
full bulletin at NHTSA ↗2024 Kia EV9 powertrain problems
moderate Owners of the 2024 Kia EV9 have filed 9 NHTSA complaints about the powertrain at roughly $2,500 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See powertrain across all vehicles →
Complaints
9
Recalls
0
Avg fix
$2,500
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.
TECHNICAL SERVICE BULLETIN: SERVICE ACTION: SBW GEAR SELECTION LOGIC IMPROVEMENT (SA626) - This bulletin provides information to upgrade the ‘E-SHIFTER’ system software on certain 2024-2025MY EV9 (MV1) vehicles produced from May 3, 2023, through January 6, 2025, which may exhibit an intermittent inability to select the Reverse (R) gear position. When this occurs, the vehicle returns to the Neutral (N) gear position and displays “N” in the instrument panel. The software update improves gear selection performance.
full bulletin at NHTSA ↗RELEASE NOTES: OVER-THE-AIR: SERVICE ACTION: SOFTWARE UPDATE FOR SHIFTER CONTROL UNIT (SCU) (SA594) - This Over-the-Air (OTA) software update is designed to improve the gear shift logic in the Shifter Control Unit (SCU) of certain 2024 and 2025 EV9 vehicles.
full bulletin at NHTSA ↗TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced, and the transmission oil cooler is transferred to the new transmission.
full bulletin at NHTSA ↗TECHNICAL SERVICE BULLETIN: SERVICE ACTION: SHIFT CONTROL UNIT LOGIC IMPROVEMENT (SA594) - This bulletin provides the software upgrade procedure for certain 2024-2025MY EV9 (MV1) vehicles produced from September 25, 2023 through September 4, 2024. The affected vehicles may experience the inability to shift out of ‘PARK’ accompanied with the DTC P28E812 stored due to the output shaft sensor signal exceeding the expected value.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 2 most recent
Car would not shift out of park into drive reverse or neutral had to be towed to dealership
My family and I were driving down a busy highway at speed in the middle lane, the vehicle suddenly jolted forward and lost power. Dashboard reported electrical system failure, contact service. Vehicle was recovered to dealer who has been unable to resolve issue and KIA unable to diagnose the root cause of the problem. Very dangerous.
Had powertrain trouble with your 2024 Kia EV9?
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 2024 Kia EV9?
It's a documented issue but not catastrophic. 9 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?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
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/2024/Kia/EV9.
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.