Kia · Known Issues
2023 Kia EV6 Problems: 20 Known Issues
2023 model year · 846+ owner reports · Updated August 2026
2023 · All trims · All engines
Choose the year and equipment for your written issues and visual request.
2023 model year · 846+ owner reports · Updated August 2026
2023 · All trims · All engines
Choose the year and equipment for your written issues and visual request.
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According to Au7o's analysis of 846+ owner reports, the 2023 Kia EV6 has 20 documented known issues, with 5 rated critical. The most serious are ICCU Failure and 12V Battery Drain, Level 2 AC Home Charging Interruptions from Charge-Handle Overheating (TSB ELE283 / ELE295), Rear Inner Drive Shaft Fracture from Improperly Heat-Treated Axle (Recall SC295 / 24V-057), Brake Lights Fail to Illuminate During i-Pedal / One-Pedal Regenerative Deceleration (Campaign SC273A) and Electric A/C Compressor Failure and Long National Parts Backorder ($1,200-$2,600 repair). The most commonly reported issue is Heat Pump Malfunction in Cold Weather with 423 owner reports. Across all issues with published estimates, repair costs range from $50 to $4,000. DIY maintenance guides at au7o.io.
ELECTRICAL SYSTEM:12V/24V/48V BATTERY
Kia America, Inc. (Kia) is recalling certain 2022-2024 EV6 vehicles. The Integrated Charging Control Unit (ICCU) may become damaged and stop charging the 12-Volt battery, which can result in a loss of drive power.
ELECTRICAL SYSTEM:12V/24V/48V BATTERY
Kia America, Inc. (Kia) is recalling certain 2022-2024 EV6 vehicles. The Integrated Charging Control Unit (ICCU) may become damaged and stop charging the 12-volt battery, which can result in a loss of drive power.
ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
Kia America, Inc. (Kia) is recalling certain 2022-2024 EV6 and 2024 EV9 vehicles. The high voltage battery cells may contain misaligned electrodes, which can lead to a fire while parked or driving.
POWER TRAIN:DRIVELINE:DRIVESHAFT
Kia America, Inc. (Kia) is recalling certain 2023-2024 Niro EV and 2023 EV6 vehicles. One of the drive shafts may have been improperly heat-treated, allowing it to break under load and resulting in a loss of drive power.
PARKING BRAKE:ELECTRICAL:CONTROL MODULE:SOFTWARE
Kia Motor America (Kia) is recalling certain 2022 EV6 vehicles. A software error in the Shifter Control Unit (SCU) may disengage the parking mechanism, which can allow the vehicle to rollaway.
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According to Au7o's analysis of 846+ owner reports, the 2023 Kia EV6 has 20 documented issues. The most frequently reported are: ICCU Failure and 12V Battery Drain, Level 2 AC Home Charging Interruptions from Charge-Handle Overheating (TSB ELE283 / ELE295), Rear Inner Drive Shaft Fracture from Improperly Heat-Treated Axle (Recall SC295 / 24V-057). Of these, 5 are rated critical and should be addressed promptly.
The 2023 Kia EV6 has 20 known issues documented across 846+ owner reports. 5 issues are rated critical: ICCU Failure and 12V Battery Drain and Level 2 AC Home Charging Interruptions from Charge-Handle Overheating (TSB ELE283 / ELE295) and Rear Inner Drive Shaft Fracture from Improperly Heat-Treated Axle (Recall SC295 / 24V-057) and Brake Lights Fail to Illuminate During i-Pedal / One-Pedal Regenerative Deceleration (Campaign SC273A) and Electric A/C Compressor Failure and Long National Parts Backorder. 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.
Repair costs for known Kia EV6 issues range from $0 to $4,000, 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.
NHTSA campaign 24V867000 (Kia SC327) covers all 2022-2023 and certain 2024 EV6 vehicles. Transient high voltage and thermal cycling can damage the Integrated Charging Control Unit, preventing it from charging the 12-volt battery. Continued driving after warnings may cause progres… Severity: high.
Kia bulletins ELE283 and ELE295 address interrupted or inoperable high-voltage-battery charging caused by excessive temperature at the EV6 combo-charger inlet. Kia later opened voluntary campaign SC311 for certain EV6 vehicles that can experience interrupted Level 2 charging or r… Severity: high.
NHTSA campaign 24V057000 (Kia SC295) covers certain 2023 EV6 vehicles built from January 26 through April 8, 2023. A supplier manufacturing error may have left the rear inner drive shaft improperly heat-treated. The shaft can break under load, causing loss of motive power and inc… Severity: high.
Kia voluntary service campaign SC273 applies to certain 2022-2023 EV6 vehicles other than the GT. During rapid regenerative deceleration in i-Pedal mode, the original Vehicle Control Unit logic may not illuminate the brake lamps unless the accelerator is fully released, reducing… Severity: high.
Owners report the EV6's high-voltage electric A/C compressor failing outright — sometimes taking cabin heat (heat-pump) with it since the same refrigerant loop is shared. Symptoms range from no cold air in hot weather (compressor won't stay energized above ~105°F) to stored 'ECOM… Repairs typically run $1,200-$2,600. Severity: high.
The EV6 heat pump HVAC system can malfunction in extreme cold weather (below 15F / -10C), failing to provide adequate cabin heating and causing the system to fall back to resistive heating. This dramatically reduces range in cold weather (up to 40-50% range loss). The heat pump c… Repairs typically run $0-$2,000. Severity: medium.
The EV6 charge port door actuator can fail, preventing the charge port door from opening or closing properly. The electric actuator motor burns out or the latch mechanism jams, leaving owners unable to charge. This is particularly problematic at DC fast chargers where the door mu… Repairs typically run $200-$500. Severity: medium.
AWD EV6 models can develop a noticeable whining or humming noise from the rear electric motor, particularly during deceleration and regenerative braking. The rear motor bearings develop wear and produce an audible whine that increases with speed. While the noise is annoying, the… Repairs typically run $0-$4,000. Severity: medium.
Because the EV6 relies heavily on regenerative braking (i-Pedal/one-pedal), the friction brakes are used so little that the cast-iron rotors do not self-clean and develop surface rust that progresses to pitting. The resulting disc-thickness variation produces brake pulsation; EV6… Severity: medium.
Early EV6s (especially 2022 before the software update) suffer dramatically reduced DC fast-charging speed in cold weather — sessions can be capped around 70 kW instead of the advertised 230-240 kW peak when the 77.4 kWh pack is below roughly 15°C. Because early cars had no autom… Repairs typically run $0-$0. Severity: medium.
A very commonly reported EV6 complaint is a strong steering-wheel and body vibration/shudder at highway speed, typically emerging around 58-70 mph, that returns even after repeated wheel balancing. The frequent root cause is not a bent wheel or bad balance but the sound-deadening… Repairs typically run $50-$400. Severity: medium.
The EV6's rear suspension runs aggressive negative camber, and combined with vehicle weight and instant torque, owners report rapid inner-edge wear on the rear tires — in extreme cases cords showing on a 2023 EV6 GT within a few thousand km. Excessive rear toe-out is also implica… Severity: medium.
EV6 owners report the Forward Collision-Avoidance Assist system triggering unwarranted alerts and hard automatic braking ('phantom braking') at speed with no real obstacle — on curved roads it may detect vehicles/objects in adjacent lanes, and a camera/radar sensor fouled by snow… Repairs typically run $0-$300. Severity: medium.
EV6 owners widely report windshields cracking with little or no impact — a line appearing from the edge and spreading horizontally, or a crack forming during a car wash, after max defrost on a cold morning, or even while parked. The EV6 uses thin acoustic laminated glass (special… Repairs typically run $450-$1,500. Severity: medium.
Owners, particularly of glass-roof / GT-Line and GT cars, report a hard-plastic rattle or creak from the roof/headliner area. The noise is present with the roof/sunshade closed and generally disappears when it is vented or opened, pointing to plastic frame components rattling or… Repairs typically run $150-$600. Severity: low.
EV6 owners widely report the head unit lagging, freezing, or rebooting (including after OTA updates) and dropping wired or wireless Apple CarPlay/Android Auto, with disconnects often recurring every 20-30 minutes. A loose/worn USB-data port and cable quality are commonly implicat… Severity: low.
EV6 trims with the 14-speaker Meridian system suffer audio defects: the subwoofer is wired out of phase with the other speakers (killing bass), and some amplifiers produce speakers that play at very low volume or no sound at all. A law firm opened a defect investigation, and Kia… Severity: low.
The EV6's motorized flush 'presenting' door handles are prone to icing up in freezing/wet conditions. After a freeze, handles can fail to pop out (or fail to retract), and owners have reported being locked out or rear doors that would not open. Complaints appear at temperatures o… Repairs typically run $0-$200. Severity: low.
Owners report the power tailgate refusing to open or close automatically — sometimes reverting within 48 hours of a dealer reset. The powered gate uses pinch-strip obstruction sensors in the struts; an over-current in one motor (or the gate sticking to its wet weather-seal) makes… Repairs typically run $100-$800. Severity: low.
A frequent EV6 owner complaint is a distinct clunk or knock from the front end over sharp bumps, expansion joints, speed bumps, or at low speed. It is commonly traced to front stabilizer (sway) bar end links, strut top mounts, or bushings. The heavy E-GMP curb weight loads these… Repairs typically run $80-$450. Severity: low.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.