ChargingHigh
ICCU faults affecting charging and 12V supply, addressed by recall updates
- Typically appears
- 20,000+ miles
- What to inspect
- Check the DVSA recall service and confirm the update was applied
2023–2026 Kia EV9 · common problems & known faults
A large seven-seat electric SUV where battery health, 800V charging and the software update history matter far more than the modest mileages these cars carry.
Compiled & reviewed by the VehicleFaults Research Team · last reviewed August 2026
Quick answer
The most commonly reported faults on the 2023–2026 Kia EV9 are ICCU faults affecting charging and 12V supply, addressed by recall updates, State of health on rapid-charged, high-mileage cars and Infotainment and driver-assist software glitches. 2 of the documented issues are rated high severity · inspect these first. Full inspection points, onset mileage and what to check are listed below.
Reliability snapshot
Based on the documented faults on this page for the Kia EV9.
6.5/ 10
- Critical
- 0
- High
- 2
- Medium
- 2
- Low
- 1
Guidance only · reflects reported patterns, not a specific car's condition.
Kia EV9 problems by year
Which faults an average example has usually reached depends on its age. Pick a model year for the faults that matter on that build.
Known faults to check
BatteryHigh
State of health on rapid-charged, high-mileage cars
- Typically appears
- 30,000+ miles
- What to inspect
- Run a battery health report and compare with the original usable capacity
ElectricalMedium
Infotainment and driver-assist software glitches
- Typically appears
- Age-related
- What to inspect
- Confirm the software version and test all cameras and sensors
SuspensionMedium
Very heavy vehicle wearing tyres and bushes early
- Typically appears
- 30,000+ miles
- What to inspect
- Check tyre inner edges and listen for front-end knocks
BodyworkLow
Large body attracting car park damage on doors and corners
- Typically appears
- Age-related
- What to inspect
- Inspect door edges, corners and rims
Inspecting a Kia EV9?
Generate a full, tickable pre-purchase checklist tailored to this exact vehicle · add photos and notes as you inspect. Try it free.
Check this exact carFrequently asked questions
Is the EV9 practical for families?
Yes, it is a genuine seven-seater, which is rare among electric SUVs.
What is the running cost warning?
Tyres are large and expensive, and the weight wears them quickly.
What warranty applies?
Kia's seven-year warranty transfers to subsequent owners; confirm the mileage cap by VIN.
Does depreciation hurt?
Yes, large EVs have fallen sharply, so buy on current trade values.
Sources & further reading
Faults are compiled from documented recalls, technical bulletins, owner reports and mechanic sources, then reviewed for accuracy. This is guidance only · not a substitute for a professional inspection.