Compare Toyota ECU repair quotes from specialist garages

Toyota is the world's largest car manufacturer, famous for the reliability of its vehicles, from the classic Hilux pickup truck to more recent electrified models like the RAV4 Plug-in, which is the most satisfying new car to own in 2023, according to Which?.

Data shows that 20 years after they were sold, 80% of Toyota cars are still on the road. It's hardly surprising that Toyota earned the title of 'Most Reliable Car Brand' at the 2023 Fleet News FN50 Awards. The brand is also cheap to maintain, as our comparison of Toyota and Ford demonstrates.

Toyota's commitment to green innovation, which has seen the development of numerous electric models, extends beyond passenger cars to the racetrack - in 2021, its racing division introduced the GR10 Hybrid Hypercar to compete in the FIA World Endurance Championship.

ECU stands for engine control unit, sometimes referred to as the engine control module (ECM). This component ensures your car's engine runs smoothly by, for example, determining the amount of fuel that goes into the cylinders. You can find out more about how it works here.

Signs of a faulty ECU include misfires, the check engine light, starting problems, and engine surges or lags. ECU testing and repairs can help you work out the cause of the problem, such as faulty wiring or a bad sensor.

ECU testing uses a diagnostic tool known as an OBD scanner, which extracts information from the car's computer and allows the technician to check fault codes.

Can an ECU be repaired? Most of the time, the answer is yes; the ECU can be reprogrammed or repaired. The same applies to water damaged ECUs, as long as the damage is minimal. Some technicians may offer mobile ECU repairs at a location that's convenient for you.