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 Subaru 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 Outback, Forester, XV, Impreza, and Crosstrek, 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 Subaru

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

Church Avenue Garage Ltd

4.0/5

We are a well established company that deals with its customers in a friendly and courteous manner. Customer service is our top priority and our level of service is second to none. Whenever you need Brakes, Tyres, Exhausts, Batteries, Clutches, Cambelts, genuine, official parts and accessories from leading brands or a complete car care package, you can rely on Church Avenue Garage Ltd.Throughout Northolt and West London we provide a fantastic and consistent quality of service at good value to domestic and commercial clients alike. With 20 years of established quality, we are a very professional and well trusted, locally run business with very high standards of service.Our staff have been trained to the highest standard and have many years in main dealer experience.We do not carry out any work or repairs without your specific authorisation, we do not make promises we do not intend to keep and we do not mislead you into having a part replaced that is not necessary.
2 Church Avenue, Northolt, UB5 5DG

Motorbitz

4.4/5

Welcome to Motor Bitz Based in Besthorpe near Attleborough we are a family run MOT/Service & Repair centre and can take care of all your motoring needs. Whether you are looking for an MOT, part worn tyres, servicing, engine diagnostic or perhaps a recovery service we can help. We can also take care of repairs and welding work. Our Team Roger: Roger has worked within the motor trade for 30 years and has a passion for classic fords and performance vehicles. We call him the 'grease monkey' as he is never happier than to be head to toe in oil. Roger carries out most of the heavy work including commercial, engine swaps, clutches and gearboxes. Simon: Simon is a qualified MOT tester, with a passion for classic and American vehicles. With his extensive experience of over 42 years in the motor trade industry - Simon is a real asset to the company. Customer relations is his speciality. Neil: Neil is a qualified MOT tester and is also a qualified HGV fitter. Neil has an interest in all vehicles, but his passion is in classic cars, bikes and commercials. Neil is the master of all things delicate often carrying out some of our more technical work and a great welder too!
Unit 3, Silver Street, Besthorpe, Attleborough, NR172LD

Norwich Autoworks LTD,

4.5/5

We are based on Twickenham Road Norwich, NR6 6NG Near Norwich Airport. We cover all makes and models of cars, light commercial vehicles and motorhomes. From MOT Testing, Air Conditioning, Servicing, Repairs, Welding, Wheel Alignment, Tyres, Diagnostic Vehicle inspections and much more. We are a full class 4 & 7 MOT Test station for all makes and models of cars & light commercial vehicles up to 3500Kg. We are also Norwich's only independent Nissan Specialist garage. We are also registered with Payment Assist to be able to offer 0% Finance options to customers who wish to spread the cost of vehicle repairs should they need to.
6 Twickenham Road, Norwich, NR66NG

Farnsfield Auto Centre

4.3/5

Farnsfield Auto Centre is a family owned garage servicing all your vehicle needs in Nottingham, Farnsfield and Newark areas. We are a full serviced garage located in Southwell Road in Farnsfield. Servicing cars and vans in the local area has provided us with a 2nd to none customer service and reputation. Our reputation is built on quality and efficiency when it comes to automotive servicing sector. Our technicians are all fully qualified and highly trained, and are always available to answer your questions around car problems or parts in the Nottingham, Farnsfield and Newark areas.
Southwell Road, Farnsfield, Newark, NG228EB

Motamec Ltd

4.4/5

Here at Motamec Ltd we are a dynamic car and van mot and servicing centre situated on Moulton Park Industrial Estate in Northampton. Our team are dedicated to making sure that you the customer receive a first class service at affordable prices. We will only provide honest advice along with complete transparency as to why any work is required to be carried out on your vehicle. Our expertise lies in MOTs, vehicle maintenance, servicing and repairs, ensuring that our customers are constantly updated whilst their vehicle receives top-notch care. We aim to be the trusted choice for automotive care in the community hence our company slogan "trust the Motamec difference.
Unit 4 Encon Court, Owl Close, Moulton Park Industrial Estate, Northampton, NN36HZ

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.