Camera Lens Issue

Last weekend my Canon EF 24-70mm f/2.8L II USM lens developed a fault whereby my DSLR camera would show an “Err 01”, “Communication between the camera and lens is faulty.” error when trying to take a picture. Stopping down the aperture to f/2.8 prevented it from happening, and with that aperture I could still take pictures with the lens - and it only happened with this particular lens, other…