
Hyundai and Kia
Hyundai and Kia hybrid and electric car service and repairs
Hyundai and Kia largely share the same electrified systems, from the Ioniq and Niro hybrids to the Kona, Ioniq 5 and EV6 electric cars. We check the battery, the charging and, very importantly, whether the car has had the recalls that apply to it.
Why take your Hyundai and Kia to a specialist
Electrified Hyundai and Kia cars aren’t repaired like a petrol car. Without the right equipment and high-voltage experience, the diagnosis stays half done.
- 01
Kona Electric: batteries replaced under recall
The first-generation Kona Electric, built between 2017 and 2020, was recalled for battery replacement because of cells at risk of short circuit. Until replacement, owners were told to charge only to 90%. We check whether your car has been dealt with.
- 02
Ioniq 5 and EV6: the ICCU unit
On the Ioniq 5, Ioniq 6, EV6 and some Genesis models, the on-board charger and the DC-DC converter share one unit (ICCU). When it fails, the 12 V battery stops charging and the car gradually loses power, which led to a recall in 2024.
- 03
Diagnostics across the whole electrified system
We read the codes from every control unit involved and measure the battery, inverter and charging. We separate a weak module from a flat 12 V battery, a connector or a software fault.

We test first, then suggest
What we do on Hyundai and Kia hybrids and EVs
We handle the systems we see most often on electrified cars, from the high-voltage battery to charging, brakes and maintenance.
Many Hyundai and Kia owners come to us after the range dropped, after a dashboard message or after a quote for a new battery. We test first and tell you what we confirmed.
- High-voltage battery diagnostics
- Testing every module and the battery’s condition
- The charging system, where relevant
- The 12 V battery and the DC-DC converter
- Regenerative and friction braking
- Battery and inverter cooling
- Maintenance: filters, fluids, tyres
- Software, where we have access for the make
Hyundai and Kia models we see often
Every model has its weak points. Here is what we know about the most common ones:
Electric
Kona Electric
On the first generation we check the battery recall. On all of them, the battery’s condition and charging.
Electric
Ioniq 5, Ioniq 6 și EV6
If the 12 V battery keeps going flat or an electrical system message appears, we check the ICCU unit and its recall first.
Hybrid
Ioniq Hybrid și Niro Hybrid
Unlike Toyota hybrids, they have a dual-clutch gearbox and a lithium battery. We check both during diagnosis.
Electric
Kia e-Niro
The same drive system as the Kona Electric. We check the battery, its cooling and charging.
When to bring your Hyundai and Kia in
It makes sense when range drops, charging fails, a warning message appears or another garage lacks the equipment for the electrified side.
Warning light or reduced power
The system is protecting itself. We check the battery, inverter and signals before any expensive part.
Less and less electric range
Battery wear, a weak module or a cooling problem reduces range. The test shows the cause.
Charging from the socket fails
The cause can be the cable, the port, the on-board charger or the station. We separate them by testing, not by replacing parts in turn.
The 12 V battery keeps going flat
Electrified cars charge the 12 V battery from the main battery, through the DC-DC converter. If it keeps going flat, we check the converter, not just the battery.
Frequently asked questions about Hyundai and Kia hybrids and EVs
Do you work on Hyundai and Kia hybrids and electric cars?+
Yes, on the common electrified Hyundai and Kia models. When you book, we confirm from the VIN what we can do on your car.
Can you check the battery’s condition?+
Yes. We test the battery before any replacement quote and tell you what we found and what options you have.
Is it cheaper than a dealer?+
Often, yes, because we repair only what is faulty rather than replacing whole assemblies. If the car is still under the manufacturer’s warranty or has an open recall, we tell you to go to a dealer first, where the fix is free.
How long does it take?+
It varies from case to case: it depends on the model, the fault and the parts. We give you an estimate after talking through the symptoms or after the diagnosis.
Find out what is wrong with your Hyundai and Kia
Book a check. We tell you the cause and whether the next step is the battery, the charging or maintenance.
