As a German car diagnostic specialist, I often find myself wondering why I get involved in certain jobs or brands, normally halfway through the job in question. The recent work I describe in the following article is just such an example. We were presented with a five door, 2013 Ford Fiesta from a local independent workshop for a central locking issue, and the symptoms reported were that both rear doors failed to lock and/or unlock. They informed us that they had sourced two n