Turbo Tax did not download all of my T4A and CRA said that I have a extra $5,612.34 income need to be reported.How can I include the CCA which was not reported 2018 tax?

Sorry to hear you had issues with your tax return last year.  You can make changes on your 2018 return by following directives provided below:

• I have filed my tax return. Can I still make changes?

As for assistance with your CCA (although I am unsure what type of CCA you need to claim):

• How do I find the proper CCA (Capital Cost Allowance) class?

Footnote: You have indicated that you are using TurboTax Live Review & Assist – please refer to the link provided below to contact our team of experts if needed:  

• I'm using TurboTax Live Assist & Review. How do I talk to a tax expert?