There are two ways to sign in to CBS All Access on your PlayStation 4. 

Sign in directly on PS4
1. Open the CBS All Access app, and select "Already a subscriber? Sign in".
2. Click "Sign In on PS4". 
3. Enter the email address and password you used to sign up for CBS All Access, and select "Sign In".

That's it! You can now start watching CBS All Access.

Sign in on the web. If you signed up using a social media account, you must use this option to sign in.
1. Open the CBS All Access app, and select "Already a subscriber? Sign in".
2. Click "Sign in on web". 
3. From your computer or mobile web, visit CBS.com/ps4, and enter the activation code provided on your PS4 screen.
4. Click "Submit". 
5. Sign in under "I Have a CBS Account", or use the social media icon that corresponds to you.
6. A confirmation message will display, and your PS4 screen will refresh.

You can now start watching CBS All Access!