Hyundai brand mark

2016–2022 Hyundai Ioniq · common fault repair costs

What the known faults on this Hyundai Ioniq 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
£2,300
Worst case, everything
£12,650

The single priciest documented job on the 2016–2022 Hyundai Ioniq is hv battery module work at £1,200–£8,000. Few cars need every repair listed here · treat £2,450£12,650 as the full exposure if one arrived with all of them.

Cost per fault

BatteryHigh

Traction battery health variation, particularly on ex-private-hire cars

HV battery module work£1,200–£8,000

Inspect · Run a state-of-health check and review charging history

TransmissionMedium

Dual-clutch hesitation and judder on hybrid models

DCT clutch pack / mechatronic work£900–£3,200

Inspect · Drive in slow traffic from cold

BrakesMedium

Rear disc corrosion from regenerative braking

Brakes (discs, pads, caliper)£200–£800

Inspect · Inspect the rear discs carefully

ElectricalMedium

12V battery faults causing multiple warning lights

Starting & charging parts£150–£650

Inspect · Test the 12V battery before diagnosing anything else

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 this week?

Build a tickable checklist for the exact car in front of you, record faults with photos, and hand the buyer a report.