Why choose the RAC for an ECU repair?

At the RAC, we've got over 125 years' experience helping UK drivers. We have the skills and knowledge to keep your vehicle running. We'll give you results you can rely on at a price you can afford.

ECU Repairs for Hyundai vehicles requires specialist tools and workshop facilities, so this work is completed through the RAC Approved Garage Network. Our approved garages service models such as Tucson, Kona, i10, i20, and Ioniq 5, following manufacturer procedures, certified equipment standards and rigorous quality checks. You receive transparent pricing, progress updates and RAC‑backed guarantees.

Close up of an RAC Mobile Mechanic underneath a car
A mechanic standing inside a garage

Book an ECU repair

The Engine Control Unit (ECU) is the brain of your vehicle and works to keep it running smoothly. If it's acting up, it can mean poor performance, increased fuel consumption, or trouble starting your car.

Any work done will meet the high standards set by the RAC.
We’re friendly, straightforward and jargon-free
A mechanic inspecting the underside of a vehicle.

Book a diagnostic

A mechanic will check your car for faults and talk you through any repairs you might need. There are various ways to check for faults, which could include a physical examination or plugging in to check your car’s onboard engine management system.

We’ll look for any mechanical or electrical problems. If we need to, we’ll also check your car’s onboard engine management system. Depending on your car and issue, this will usually include: – Engine – Power steering – Brakes – Transmission – Exhaust system – Fuel injection system – Cooling system and air flow – Sensors

And it’s not just ECU repairs that we do for Hyundai

RAC Approved Garages offer MOTs and services. Our professional mechanics have the expertise and experience to make sure your vehicle is operating safely and efficiently – results you can rely on at a price you can afford.

A close up of an RAC mobile mechanic looking under the hood of a car

Try one of our RAC Approved Garages

Sparrowhawk Motors IV LTD

4.4/5

From a convenient location in West London Sparrowhawk motors Garage has been offering a full range of garage services for over 20 years to customers from all over London. Whatever work your car needs, the team of qualified mechanics will carry out great work for a reasonable cost. In addition, we can assure your expectations will be exceeded whatever your requirements may be. If you are looking for car repairs or service in the London area, then Sparrowhawk motors can meet your needs at a competitive price. The convenient location makes it ideal for the Londoners to find us.
Arch 15, Munster Road, Chelsea, SW64RY

YDS AUTOMOTIVE

4.8/5

At YDS we offer General Maintenance and Servicing for all makes and models, while we specialise in the german vehicle industry we have the equipment, experience and knowledge to cater to any vehicle. Offering dealer level servicing at a fraction of the cost while still able to update digital and standard service records to preserve manufacturers warranty. Along side the every day stuff we offer all advanced and electrical diagnostics from running issues to audio problems we strive to get you that first time fix. And don't forget the fun stuff. At YDS we offer Varied packages with software and supporting performance hardware fully tailored to suit whatever you are behind the wheel of! Partnered with Performance companies and Payment Assist to make improving your car or van easier and more available than ever before!
Unit 5, Faraday Place, Thetford, IP243RG

Quadpoint Motor Service Ltd t/a RS Autos

4.9/5

We are a family run garage based in Farnworth, Bolton with more than 30 years of experience. We provide a range of service from mot's, diagnostic checks, repairs of all types -tyres, clutches engine faults, brakes bulbs, air con, general services and much more for cars, vans and light commercial vehicles. Our highly experienced mechanics strive to ensure that you receive a top quality, value for money service.
Unit 2 Gladstone Road, Farnworth, Bolton, BL47ED

SKS Auto Services Ltd

4.8/5

SKS Auto Services, owned by good friends and business partners Bradley Dawson and Nathan Hinks was established in 2005 and has a reputation for professionalism, technical expertise and quality workmanship.SKS are committed to honesty and always charge a fair price for the work we do. We only use parts equivalent in quality to the original part unless otherwise agreed and as a business we have also invested heavily in the latest technology and diagnostic equipment, meaning whatever the problem you have with your vehicle we will be able to resolve it. Our experienced technicians are always on hand to offer friendly advice and support.
14 Royce Road, Peterborough, PE1 5YB

CTS Servicing and Repair Centre LTD

4.8/5

We cover all aspects of work for you vehicle including: MOT's, Servicing, Tyres, Suspensions and Diagnostic’s. We also Buy and Sell cars of any age and condition.
Unit 6, Grey Street, Off Bridgefield Street, Radcliffe, M262SG

Frequently asked questions about ECU repairs

Yes, a damaged ECU can often be repaired. Whether it can be depends on the amount of damage and how easy it is to find replacement parts.

It's usually best to leave ECU repairs to the experts. This is because as they require special tools and knowledge of car electronics.

Look out for a check engine light being on, the engine stalling or misfiring, poor fuel economy and difficulty starting the car.

It can take anywhere from a few hours to a couple of days. This depends on the issue and how available the parts are.

ECU repairs may be covered if the damage is caused by something that is insurable, like an accident. Talk to your insurance provider to find out more.

There is no set interval for ECU checks, but it’s a good idea to have it looked at, if you see symptoms.