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

ECU repair in Reigate

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 Reigate

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

KMK Automotive - Walton On The Hill

5.0/5

KMK Automotive is an independent family-run business based in Surrey, backed by more than 30 years’ experience in the industry. With auto repair garages in Leatherhead and Tadworth, we deliver exceptional vehicle repairs and services for all makes and models and our qualified mechanics complete jobs of all sizes to the highest possible standard. Whether you need to repair a fault, or your MOT test is due, our AA & RAC-approved auto centre has got you covered. For a high-quality, cost-effective alternative to main dealer services, get in touch with our fully insured team today.
Rear Of 14 - 16, Walton On The Hill, Tadworth, KT207RT

SNS Repair Services

SNS Repair Services is a family run business, who strive for nothing but excellence for our customers. We value the relationships we build with our customers and will always go the extra mile to make sure your fleet or vehicle remain on the road with great turn around times. In the beginning we started out doing jobs for friends and family and have now transitioned into a full service workshop. Already experts in many areas and are still growing fast! We have a proud history of excellent work and customers service, with many companies and couriers trusting us to keep them on the road! RAC Approved Garage.
Unit 5 Hurstridge, Hathersham Lane, Horley, RH69JG

KMK Automotive - Leatherhead

When you choose KMK Automotive Leatherhead, you can expect a high standard of service from one of the most trusted automotive specialists in the area. We offer a convenient collection and delivery service, along with courtesy cars (subject to availability), ensuring minimal disruption while your vehicle is with us. Our experienced team carries out a full range of services, including routine servicing, diagnostics, repairs, and more. Whether your vehicle is for domestic, commercial, or industrial use, we ensure it remains safe, reliable, and fit for purpose. We are proud to hold multiple industry accreditations, including RAC Approved Garage, AA Approved Garage, The Motor Ombudsman, RMI, and IMI. These reflect our commitment to quality workmanship, transparency, and excellent customer care. Choose KMK Automotive Leatherhead for a professional, efficient, and customer-focused service you can rely on.
Rye Brook Road, Leatherhead, KT227QG

Motormasters

Our hand - picked team of technicians has extensive training and experience in working on many makes and models of vehicle. We service, repair and carry out MOT testing by appointment, we also do all makes servicing & mechanical repairs, air conditioning, ABS brakes, batteries, clutches, diagnostic services, engine management, exhausts, suspension, steering, tyres and wheel alignment. Here at Motormaster Vehicle Services & Repairs, we pride ourselves in a high standard of work, carried out under clean, tidy conditions. We really do care about our customers – and their cars – and are proud to know that most of our new clients are brought to us by word-of-mouth recommendation.
Unit 12, Bookham Ind Est, Church Road, KT23 3EU

Power Evolution Performance

- We specialise in BMW, MINI & German motor vehicles. - All makes and models welcome. - N47 & M57 Diesel timing chain specialists.
20 Reading Arch Road, Redhill, Surrey, RH11HG

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.