What is the 2024 Kia EV9 ICCU Failure Causing 12V Battery Drain and Loss of Drive Power?

Kia Service Action SA568 applies to certain 2024 EV9 vehicles and updates Integrated Charging Control Unit (ICCU) logic to counter auxiliary-battery charging interruptions and unintended warning lights. SA570 covers a narrower 2024 population where sensed ICCU temperature can dif… Severity: high.

What is the 2024-2025 Kia EV9 Missing Second- and Third-Row Seat Mounting Bolts (Recall SC329)?

On EV9s built 9/25/2023 through 10/15/2024, one or more mounting bolts securing the second-row and/or third-row seat frames to the floor pan were never installed at the factory, or were installed without being torqued. Kia recalled 22,883 vehicles (NHTSA 24V-962). A seat that is… Repairs typically run $0-$0. Severity: high.

What is the 2024 Kia EV9 Windshield Wipers Stopping During Snow and Ice Conditions?

On April 29, 2025, NHTSA opened Preliminary Evaluation PE25004 after receiving five owner questionnaires alleging that windshield wipers stopped while 2024-2025 EV9 vehicles were being driven with snow or ice accumulated on or near the bottom of the windshield. At opening, NHTSA… Severity: high.

What is the 2024-2026 Kia EV9 Rear Alignment Out of Spec From the Factory Wearing Rear Tires Out Under 10,000 Miles?

A large number of EV9s — heavily concentrated in the 2024 launch year but still appearing on later builds — were delivered with rear toe and camber outside specification. Combined with roughly 5,900 lb curb weight, instant torque to the rear axle, and factory tires that start at… Repairs typically run $150-$1,600. Severity: medium.

What is the 2024-2026 Kia EV9 Charge Port Door Actuator Fails to Release or Freezes Shut in Winter?

The EV9's motorized charge port door is a recurring owner complaint in two distinct failure modes. Electrically, the release actuator does not wake with the vehicle — the door will not pop when pushed or when commanded from the fob or screen, and owners sometimes hear the motor r… Repairs typically run $0-$500. Severity: medium.

What is the 2024 Kia EV9 Headliner Impact-Absorbing Plates Fail FMVSS 201 Occupant Head-Impact Protection (Recall SC317 / 24V400)?

Kia recalled 2,401 2024 EV9 Light models produced between September 25, 2023 and March 21, 2024 because the impact-absorbing plates mounted behind the headliner do not provide the energy absorption required by Federal Motor Vehicle Safety Standard 201, 'Occupant Protection In Int… Repairs typically run $0-$0. Severity: medium.

What is the 2024-2026 Kia EV9 12V Auxiliary Battery Repeatedly Drains Flat From Parasitic Module Wake - Vehicle Will Not Enter Ready Mode?

EV9 owners report the 12V auxiliary battery going flat repeatedly while the high-voltage pack is nearly full, leaving the vehicle completely dead - doors, screens and the start button unresponsive, and no way to enter Ready mode no matter how much range is showing. NHTSA has 6 lo… Repairs typically run $0-$350. Severity: medium.

What is the 2024-2025 Kia EV9 Steering Wheel and Center Console Vibration Above 60 mph From Factory Wheel/Tire Assembly Imbalance?

The most-reported non-recall driveability complaint from EV9 owners is a persistent vibration felt through the steering wheel, and often through the center console and floor, that appears above roughly 60-65 mph and holds steady on smooth, newly paved road surfaces. NHTSA has log… Repairs typically run $100-$1,800. Severity: medium.

What is the 2024-2026 Kia EV9 Highway Driving Assist 2 Lane Centering Oscillates Side-to-Side (Ping-Ponging) as Lane Following Assist Drops Out?

EV9 owners using Highway Driving Assist 2 report the vehicle wandering rhythmically from one lane edge to the other instead of tracking the lane center, a behaviour owners call ping-ponging. The pattern described is Lane Following Assist going dormant while the camera still sees… Repairs typically run $0-$400. Severity: medium.

What is the 2024-2025 Kia EV9 Power Liftgate Unlatches but Will Not Power-Open (Tailgate Drive Motor/Module Failure)?

Owners report the tailgate releasing its latch when the license-plate button, fob, or interior button is pressed, but the power struts never lift it — the gate pops an inch and stops, leaving it to be opened by hand. In some cases the gate also refuses to power-close or reverses… Repairs typically run $0-$1,200. Severity: low.

What is the 2024-2026 Kia EV9 Software Update and Infotainment Issues?

As a new electric vehicle, the Kia EV9 has experienced typical first-generation software issues including infotainment freezes, occasional display glitches, OTA update failures, and EV charging session interruptions. The dual-screen display setup occasionally desynchronizes, and… Repairs typically run $0-$0. Severity: low.

What is the 2024-2026 Kia EV9 Power Second-Row Seats Lose Stored Limit Position - One-Touch Third-Row Access and Cargo Fold Buttons Stop Working?

On EV9s equipped with power second-row seats and the one-touch easy-entry function, the seat control module loses its stored 'seat limit position' parameter. Once that happens the third-row easy-access button on the seat shoulder stops responding entirely, and the second-row fold… Repairs typically run $0-$250. Severity: low.

Kia · Known Issues

2024-2026 Kia EV9 Problems: 19 Known Issues

2024-2026 model years · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated August 2026

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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2024-2026 Kia EV9 has 19 documented known issues, with 10 rated critical. The most serious are Instrument Panel Screen Goes Blank Due to Software Error, ICCU Failure Causing 12V Battery Drain and Loss of Drive Power, Missing Second- and Third-Row Seat Mounting Bolts (Recall SC329) ($0-$0 repair), Rear Gear Drive Unit Motor Shaft Weld Failure Causing Loss of Drive Power (Recall SC337) ($0-$0 repair), Level 2 AC Charging Terminates Early or Will Not Start While DC Fast Charging Still Works ($0-$3,500 repair), Windshield Wipers Stopping During Snow and Ice Conditions, High-Voltage Battery Cell Electrode Misalignment Causing Internal Short and Fire Risk (Recall SC375 / 26V431) ($0-$0 repair), Under-Torqued Differential Gear Bolts Inside the Gear Drive Unit Cause Grinding and Differential Lock-Up (Recall SC308 / 24V271). at .

Frequently Asked Questions

What are the most common Kia EV9 problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2024-2026 Kia EV9 has 19 documented issues. The most frequently reported are: Instrument Panel Screen Goes Blank Due to Software Error, ICCU Failure Causing 12V Battery Drain and Loss of Drive Power, Missing Second- and Third-Row Seat Mounting Bolts (Recall SC329). Of these, 10 are rated critical and should be addressed promptly.

Is the Kia EV9 reliable?

The 2024-2026 Kia EV9 has 19 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 10 issues are rated critical: Instrument Panel Screen Goes Blank Due to Software Error and ICCU Failure Causing 12V Battery Drain and Loss of Drive Power and Missing Second- and Third-Row Seat Mounting Bolts (Recall SC329) and Rear Gear Drive Unit Motor Shaft Weld Failure Causing Loss of Drive Power (Recall SC337) and Level 2 AC Charging Terminates Early or Will Not Start While DC Fast Charging Still Works and Windshield Wipers Stopping During Snow and Ice Conditions and High-Voltage Battery Cell Electrode Misalignment Causing Internal Short and Fire Risk (Recall SC375 / 26V431) and Under-Torqued Differential Gear Bolts Inside the Gear Drive Unit Cause Grinding and Differential Lock-Up (Recall SC308 / 24V271) and Front Passenger Seat Belt Retractor Cover Not Secured - ALR/ELR Locking Fails (Recall SC312 / 24V338) and Remote Smart Parking Assist Applies Insufficient Brake Pressure - Integrated Electronic Brake Software Fault (Recall SC324 / 24V693). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Kia EV9 problems?

Repair costs for known Kia EV9 issues range from $0 to $3,500, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2024 Kia EV9 Instrument Panel Screen Goes Blank Due to Software Error?

NHTSA campaign 24V757000 (Kia SC326) covers certain 2024 EV9 vehicles. A software-logic communication error within the instrument cluster can make the screen intermittently blank at vehicle startup, preventing the driver from seeing the speedometer, odometer, turn-signal indicato… Severity: high.

All 19 Known Issues

Other Kia Models

Frequently Asked Questions

What are the most common Kia EV9 problems?

Is the Kia EV9 reliable?

How much does it cost to fix common Kia EV9 problems?

What is the 2024 Kia EV9 Instrument Panel Screen Goes Blank Due to Software Error?

Instrument Panel Screen Goes Blank Due to Software Error#

ICCU Failure Causing 12V Battery Drain and Loss of Drive Power#

Level 2 AC Charging Terminates Early or Will Not Start While DC Fast Charging Still Works#

Windshield Wipers Stopping During Snow and Ice Conditions#

High-Voltage Battery Cell Electrode Misalignment Causing Internal Short and Fire Risk (Recall SC375 / 26V431)#

12V Auxiliary Battery Repeatedly Drains Flat From Parasitic Module Wake - Vehicle Will Not Enter Ready Mode#

Software Update and Infotainment Issues#

Missing Second- and Third-Row Seat Mounting Bolts (Recall SC329)#

Front Passenger Seat Belt Retractor Cover Not Secured - ALR/ELR Locking Fails (Recall SC312 / 24V338)#

Headliner Impact-Absorbing Plates Fail FMVSS 201 Occupant Head-Impact Protection (Recall SC317 / 24V400)#

Highway Driving Assist 2 Lane Centering Oscillates Side-to-Side (Ping-Ponging) as Lane Following Assist Drops Out#

Rear Gear Drive Unit Motor Shaft Weld Failure Causing Loss of Drive Power (Recall SC337)#

Under-Torqued Differential Gear Bolts Inside the Gear Drive Unit Cause Grinding and Differential Lock-Up (Recall SC308 / 24V271)#

Remote Smart Parking Assist Applies Insufficient Brake Pressure - Integrated Electronic Brake Software Fault (Recall SC324 / 24V693)#

Charge Port Door Actuator Fails to Release or Freezes Shut in Winter#

Power Liftgate Unlatches but Will Not Power-Open (Tailgate Drive Motor/Module Failure)#

Rear Alignment Out of Spec From the Factory Wearing Rear Tires Out Under 10,000 Miles#

Steering Wheel and Center Console Vibration Above 60 mph From Factory Wheel/Tire Assembly Imbalance#

Power Second-Row Seats Lose Stored Limit Position - One-Touch Third-Row Access and Cargo Fold Buttons Stop Working#

What is the 2024 Kia EV9 ICCU Failure Causing 12V Battery Drain and Loss of Drive Power?

What is the 2024-2025 Kia EV9 Missing Second- and Third-Row Seat Mounting Bolts (Recall SC329)?

What is the 2025 Kia EV9 Rear Gear Drive Unit Motor Shaft Weld Failure Causing Loss of Drive Power (Recall SC337)?

What is the 2024-2025 Kia EV9 Level 2 AC Charging Terminates Early or Will Not Start While DC Fast Charging Still Works?