Canon EFS 17 - 85mm Lens Aperture Diaphragm Assembly Replacement Error 01 Clean The Lens Contacts

This video will guide you step by step through the complete process of Canon EFS 17 - 85mm Lens Aperture Diaphragm Assembly replacement.

I will also address the Canon 7D camera Error 01 message - Communication between the camera and lens is faulty. Clean the lens contacts. And I will explain what caused this error and what needs to be done to fix the lens issue.

All you will need is a replacement flex cable or Aperture Diaphragm Assembly replacement part which cost me $43.00, lens cleaning kit and some basic tools.

Link:
Supplier of the Aperture Diaphragm Assembly replacement part:
https://www.ebay.com.au/itm/New-Power...

Link:
Supplier of the rear back cover for Canon EFS 17-85mm F4-5.6 IS:
https://www.ebay.com.au/itm/YB2-0708-...

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