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 Lexus 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 NX, RX, UX, ES, and IS, following manufacturer procedures, certified equipment standards and rigorous quality checks. You receive transparent pricing, progress updates and RAC‑backed guarantees.
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.
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.
And it’s not just ECU repairs that we do for Lexus
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.
Try one of our RAC Approved Garages
Auto Care Centre
4.7/5
GT Automotive Group ~ Sheffield
4.5/5
KMK Automotive - Walton On The Hill
5.0/5
Redburn Mot and Service Centre , Bosch Car Service
4.8/5
Dino Motor Company Limited
5.0/5
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.
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