Car Mechanics Magazine

21 July 2023

Electronic Control Units (ECUs) dominate all areas of the modern vehicle. Initially the engine was controlled by an ECU, but today we find ECUs in dashboards, infotainment systems, sat-navs, transmissions, suspension and emissions control systems to name a few. In our 10-page feature on ‘An introduction to ECUs’ we look at what can go wrong and your repair options. Also... we introduce our new project car to run over six issues – a 2010 Lexus IS 250. We carry out a full maintenance service on a Vauxhall Astra J and change the timing belt on a Ford Mondeo 2.0 TDCi. And much, much more…