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

ECU repair in Bath

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 Bath

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 Centre

Autocare MOT Centre
Riverway Trading Estate, Trowbridge, BA14 8LL

Ricky Fenby Ltd

Here at Ricky Fenby we specialise in used van sales, class 4 and 7 MOT's and all forms of mechanical repairs, maintenance and servicing work. We have a team of three very highly skilled technicians, with main dealer experience and an auto electrician. ready to tackle your motoring needs. We are also RAC approved which means that we adhere to a strict code of conduct at all times and are audited on a yearly basis. We offer the following services; Servicing MOT Testing Class 4 & 7 Diagnostics Clutches Air Conditioning Recovery Available Tyres & Exhausts Lazer Wheel Alignment Timing Belts General Repairs Collection & Delivery Service Available Fully Equipped Mobile Workshop
Unit F1 Southgate, Commerce Park, Frome, BA112RY

Monster Gear Garage

We are an independent 5 star garage with high experienced technicians that will take care of your vehicle, we cover a wide range of repairs like: MOT MOT repairs Servicing Air Con Regas Air Con Recharge Brakes Tyres Clutches Timing belt / chain replacements Diagnostics Engine repairs / replacement Drive in with no appointment. If you wish to wait while your car is being repaired we have a luxury waiting area with TV, Wi-Fi and free hot drinks. Our garage is a comfortable place for you and your vehicle.
Bridge Road Ind Est, Unit 16 - 18, Bristol, BS154TA

T.D Garage Services

At TD Garage Services Ltd, we take care of all car makes and models. Whether you have a Ford, a Fiat, a Honda or a Hyundai, you can trust us to do a quality job. We are well known as a reliable local garage that provides a range of services including car repairs, servicing as well as MOT testing.
Unit 20, Windmill Farm Business Centre, Bristol, BS34DB

Autumnbrooke Garage (Bristol) Ltd

As one of the largest garages in the surrounding area, we employ trained technicians to give your vehicle the professional handling it deserves. We pride ourselves on providing the very best service to all our customers - whatever make or model vehicle. Situated near Bradley Stoke, on the northern edge of Bristol, we have a large workshop with easy parking. We accept most major credit cards and can arrange a loan car for you if required. For all your car servicing and repair needs - give us a call today on
Unit 1, Grange Court Farm, Trench Lane, Winterbourne, Bristol, BS361RY

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.