A mechanic standing inside a garage.A picture of mechanic standing in an approved garage
Service, Repairs & MOT

ECU repair in London

Book a local RAC Approved Garage that you can trust.

  • 12-months parts guarantee
  • Honest pricing
  • Exceptional customer service

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.

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 in London

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

Autocare MOT & Service Centre

We absolutely love working on cars. We specialise in German Cars, as well as hybrid and electric vehicles. Our top priority is providing you with the highest quality of maintenance and repairs. Don't forget, we're also an approved MOT centre, guaranteeing that your vehicle complies with all safety and environmental regulations. We are also BMW and Mercedes approved which means any servicing done on your vehicle will be updated onto the digital service book To sum it up, we are your ultimate destination for all your vehicle needs! Collection and delivery can be arranged upon request
172 Hadleigh St, London, E20LD

MNS Autos Ltd

At MNS Autos, we are dedicated to keeping our customers on the road. Our commitment lies in providing a fully comprehensive service that our customers deserve. We pride ourselves on delivering quality workmanship, using only approved parts, all at competitive prices. We welcome you to try us out and see yourself the difference. Thank you
196 Barnardo Street, London, E10LL

AA Auto Fix

Our team of mechanics is highly skilled and extensively trained in diagnosing and repairing various vehicle makes and models. Equipped with the latest tools and diagnostic equipment, we are capable of accurately identifying issues and providing effective solutions. Whatever make and model you drive, you can trust us to handle it with the utmost care and expertise Fully insured with Public Liability insurance Comfortable waiting room Highly qualified mechanics RAC approved garage VAT registered Competitive prices!
202 Barnardo Street, London, E10LL

Andrews garage

Established since 1974 Andrews Garage has been serving the local area for all its car related needs, such as, MOT'S, Servicing, Tyres, Bodywork (crash repairs), 3D 4 Wheel alignment, Air conditioning Re-gassing.
30-36 Padfield Road, London, SE59AA

Galicia Motors Ltd

Galicia Motors are committed to providing a reliable service, proven by their long-term business relationships with customers. Our experienced team specialises in mechanical and body work repairs, servicing, electrical installation, maintenance and MOTs. Qualified staff work with the latest diagnostic equipments and use genuine vehicle parts providing a comprehensive service at competitive prices. Book an appointment convenient to you. We can offer a courtesy car whilst your vehicle is with us.
14-17 Astwood Mews, Kensington And Chelsea, London, SW7 4DE

Frequently asked questions on 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.