ECU (Electronic Control Unit) repair is a process that involves diagnosing and addressing issues within a vehicle’s ECU, which controls various electronic systems. Skilled technicians use specialized diagnostic tools to identify faults, repair or replace malfunctioning components, and often perform software updates to optimize performance. ECU repair is crucial for restoring the proper functioning of systems like engine management, transmission control, and other vital components. This process helps ensure optimal vehicle performance, fuel efficiency, and adherence to emission standards.