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 Toyota 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 Yaris, Yaris Cross, Corolla, C-HR, and RAV4, 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 Toyota

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

Precision Autos Ltd

5.0/5

Established in November 2022 we are a freshly set up automotive repair shop based in South Molton, North Devon. We undertake many different types of vehicle repair and have a vast array of equipment in order to accommodate most types of repair necessary to vehicles old and new! We have over 25 years of experience repairing, fault finding and modifying in all aspects, from bulb changes to engine rebuilds, rewiring to restoration, tyre puncture repair to race car preparation, from brake pad replacement to full brake upgrades. We like to offer a trustworthy and honest approach to car repair, often going beyond what is necessary to keep you safely on the road. We also like to show you and explain potential problems and what they may cause giving you choices for the cost conscious motorist. Tea and coffee is very much available, made to your liking! So whether you want a chat about a slight rattle, or to book in for the Precision treatment, we're here for you and your vehicle, on hand with a proper brew and a friendly service.
Precision Autos Ltd, Units 9 And 10 J Bucknell Way Pathfields Business Park, South Molton, EX363FU

Driving Force

4.9/5

We are an MOT / car Sales / service and repair center for all makes and model of vehicles, We offer competitive rates and a friendly service, We pride ourselves of making everyone feel comfortable in our garages. also we take the time to explain all work which need to be carried out on your vehicle with transparency, No work undertaken without your prior consent.
817, Lea Bridge Road, Walthamstow, E17 9DS

Vicarage Motor Company Ltd.

4.8/5

We are small local independent who have two garages locally with one an MOT Testing station the other a bodyshop, we also have our own in house AutoElectrician so we can diagnose & service all needs We are both AA & RAC approved dealership for car sales & approved repairer to both the RAC & AA. We have 4 courtesy vehicles available, Recovery & Delivery with our own vehicles, in house air Conditioning service. In house AutoElectrical We are Bosch approved and are a local Terraclean carbonising center for both DPF /EGR/injector & pump valve issues, coupled with a network of service & repair centres for Turbo's, ECU's, DPF,s, Refurbish injectors & pumps.
Skipton Road, Barnoldswick, BB185EG

A2B Autocentre

4.5/5

A2B Autocentre of London are a friendly and honest independent garage dedicated to providing sensational service to you and your vehicle. We are here to build solid and trusting customer relationships based on providing a truly excellent service with great value. We want to prove to you that we will go the ‘Extra Mile’ to gain your custom and, more importantly, retain it. As a proud member of the RAC Approved Garage Network our mission is to always provide you with the highest quality of auto repair and exceptional customer service. Our skilled team of highly qualified motor engineers will always get you back on the road as quickly and efficiently as possible. Please feel free to call us, email or pop in for a chat about any of your motoring needs.
95-103 Upminster Road South, Rainham, RM139AA

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

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.