Is there a master passcode

Are you referring to the Xbox LIVE passcode or the Parental Settings passcode? Only the LIVE passcode can be removed by recovering. The parental passcode can only be removed by either knowing the passcode or answering the secret question.

Which passcode are you referring to, the Xbox LIVE (personal) passcode, or the Family Settings passcode? For the LIVE passcode, you can try recovering the profile. For the Family passcode, you need to either know the security answer, or call phone support.

Hi, and thanks for reaching out. My name is Shubham. I hope you are well. I'm an Xbox Independent Advisor. I am happy to help you today.

To reset the passcode for parental controls on an Xbox 360, please follow the below steps:

Sign in to your Microsoft account>> Go to the Devices tab>> and then Locate your registered Xbox 360 console>> Select Show Details.>> Select Manage>> Select Reset passcode and follow the instructions to reset your passcode.

Furthermore, If the previous owner had a passcode enabled and didn't remove it before selling it, or you don't remember the answer to your security question then you will need to contact Xbox Support: https://support.xbox.com/contact-us to get a master reset passcode.

Next: If you want to reset your Xbox 360 to factory settings then please follow the below steps:
1. Press the Xbox button.
2. Select Profile & System> Settings > System > Console info.
3. Select Reset console and then select Reset and remove everything.

I hope this will help.

The issue is the live passcode that you have setup on your account. ("hit the sign on to xbox live button and put my 4 digit passcode in.") The live passcode is there to prevent the connection to live on your account by anyone without a passcode.

Just remove the live passcode and then It will auto sign in to live for you again, You can remove the passcode in account management or by downloading your profile again.

Prince: This is incorrect. Recovering an account will only reset an Xbox LIVE passcode, not the parental passcode.

Dodge: The only way you can remove a parental passcode is to A) know the passcode, or B) know the answer to the security question.