BatteryHigh
Drive battery state of health on high-mileage rapid-charged cars
HV battery module work£1,200–£8,000
Inspect · Run a battery health report and ask about charging habits
2023–2026 Hyundai Ioniq 6 · common fault repair costs
What the known faults on this Hyundai Ioniq 6 typically cost to put right at a UK independent garage · use the figures to price risk before you bid, and to justify a reduction when something shows up on inspection.
Cost at a glance
- Most expensive fault
- £1,200–£8,000
- Top three risks, from
- £1,700
- Worst case, everything
- £16,500
The single priciest documented job on the 2023–2026 Hyundai Ioniq 6 is hv battery module work at £1,200–£8,000. Few cars need every repair listed here · treat £2,640–£16,500 as the full exposure if one arrived with all of them.
Cost per fault
BodyworkLow
Low, wide body attracting kerb and underbody damage
Body & corrosion repair£250–£1,800
Inspect · Inspect the front lip, sills and rims
ExteriorMedium
Flush door handles fail to present or retract automatically when locking or unlocking the vehicle due to actuator failure or water ingress.
Body & corrosion repair£250–£1,800
Inspect · Cycle the central locking using the key fob three times. Verify all four handles deploy smoothly and retract completely flush with the door panel.
ChargingHigh
ICCU failures preventing charging or 12V top-up, subject to recall action
Significant repair£400–£1,400
Inspect · Check the DVSA recall service by registration and confirm the ICCU update was applied
ElectricalMedium
Infotainment and driver-assist software faults
Infotainment repair or software fix£120–£1,200
Inspect · Confirm the software version is current and test all cameras
Cooling SystemMedium
Front bumper active air flaps stick open or closed due to grit ingress or motor failure, triggering an EV system dashboard warning.
Air-con regas or compressor£90–£900
Inspect · Switch the vehicle on and set the climate control to maximum cooling. Observe the lower front grille to confirm the active flaps open fully without grinding noises.
BrakesMedium
Rear discs corroding through light use
Brakes (discs, pads, caliper)£200–£800
Inspect · Inspect for pitting and scaling
ElectricalMedium
The motorised charge port door fails to open via the key fob or refuses to close securely due to a faulty internal microswitch.
Door / window mechanism£130–£600
Inspect · Press the charge port release button on the key fob. Ensure the door powers open fully, then press the close button inside the flap to verify it shuts flush.
Ranges are indicative parts-and-labour costs at a UK independent garage, inclusive of VAT. Franchised dealers typically sit 40–80% higher, and prestige or electrified variants sit at the top of each band. Always get a written quote before committing.
Inspecting a Hyundai Ioniq 6 this week?
Build a tickable checklist for the exact car in front of you, record faults with photos, and hand the buyer a report.