Canon 24-105 f4.0 L Error 01

VijG wrote:

Hi, my 2 year old Canon 24-105 f4.0 L started giving trouble yesterday. Abnormal sound and shutter movement followed by Error 01 message displayed on the display. "Error 01 , communication between camera and lens faulty. Clean lens contact" was what displayed. I cleaned the contacts but again the problem persisted at certain f stops and zoom. I tried with other lenses and camera was working fine. Does anybody has had the same problem? If yes then what will the possible solution will be.

Thanks