Compare Lexus ECU repair quotes from specialist garages

Lexus is known for making luxury vehicles designed according to its defining philosophy: "the pursuit of perfection". In the 2023 Auto Trader New Car Awards, it was voted 'Most Reliable Brand' for the fourth time, maintaining its status as a top manufacturer in the UK.

With several cameos in TV shows (notably Breaking Bad, Silent Witness and Modern Family) and mentions in hip-hop songs (Ignition by R. Kelly and Jay-Z's Somewhere in America), this is a brand deeply ingrained in pop culture.

Lexus has also made waves in the world of motorsport, becoming the first manufacturer to enter a production hybrid car - the Rx 400h - in the Nurburgring 24-hour race.

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.