Error 80151901 occurs when you try to sign in to Xbox Live on your Xbox 360

You see the following error code and message when you try to sign in to Xbox Live:

Your console can't connect to Xbox Live. Do you want to exit this session and test your network connection? If you are playing a game, you will lose any unsaved progress.

Status code: 80151901
​

This may mean that your Xbox profile is corrupted.

Solutions
To resolve this problem, try the following solutions:

Solution 1: Check the Xbox Live service status

If you see any alerts here, wait until the service is up and running and try again:

Xbox Live Core Services: up and running
2017-02-09T14:36:17.7182514 00:00
Solution 2: Troubleshoot your connection to Xbox Live
If you can't connect to Xbox Live, see Troubleshoot Xbox 360 connection to Xbox Live.

Solution 3: Delete and redownload your profile
Follow these steps to delete and redownload your profile.

Step 1: Delete the profile that's stored on your Xbox console

1. Press the Guide button on your controller.
2. Go to Settings and select System Settings.
3. Select Storage.

1. Select All Devices.
2. Select Gamer Profiles.
3. Select the gamertag that you want to delete.
4. Select Delete.
5. Select Delete Profile Only. (This deletes the profile but leaves saved games and achievements.)

Step 2: Clear the system cache

1. Press the Guide button on your controller.
2. Go to Settings and select System Settings.

1. Select Storage or Memory.
2. Highlight any storage device, and then press Y on your controller. (It doesn't matter which storage device you select; the cache will be cleared for all storage devices.)
3. Select Clear System Cache.
4. When prompted to confirm storage device maintenance, select Yes.

Step 3: Download your profile again

To re-download your Xbox Live profile, follow these steps:

1. Press the Guide button on your controller.
2. Select Download Profile.
   Note If you don't see a Download Profile notification, it probably means you're signed in to a profile. Press X to sign out.
   
   [*]Enter the Microsoft account that's associated with your Xbox Live gamertag. If you don't know your Microsoft account or password, use the Lost Account Solution or the Lost Password Solution.
   Note If your account is an Xbox child account, you need to have an adult in your household use their Microsoft account to download the profile.
   
   [*]Select the storage device for your profile.
   Your profile will begin downloading.