PS4 Error Code (SU-30746-0) | Fixed by Experts

One of our users complained of getting Error Code (SU-30746-0) on their PS4 when trying to install a new update of a game on their console. He said:

Hi, my PS4 Slim started up fine and I selected a game. When I did that it asked me to update so I did and it was pretty quick. I looked up after a while thinking it was restarting but it didn’t turn back on after the update so I tuned it on myself. When it tuned on the screen read “system software update” and “an error has occurred. (SU-30746-0).” I tried to press enter and back using the X and O buttons but nothing happened it was stuck. Every time I restart it this message is there and my screen is frozen. Is there a way to fix this?

This blog post will be a detailed answer to this question explaining what this error is and why does it happen and the possible methods to fix it.

What is PS4 Error (SU-30746-0)?

PS4 Error SU-30746-0
When you try to update the PS4 system software on your console, Error (SU-30746-0) might occur due to several reasons that we will address in the next section.

That PS4 error indicates that the update process has failed which has a direct impact on the functionality of the PS4 system software. The PS4 system software would have then a sort of data corruption to the extent that the whole system will stuck on a blue screen with the (SU-30746-0) error code.

To our knowledge so far, PS4 Error (SU-30746-0) has not been reported yet for other situations yet. All the reports we found stated that it would only occur after authorizing an update process on the PS4 system.

We already have discussed similar issues to that one, such as: PS4 update Error (CE-34788-0) fix, PS4 data corruption, and fixing PS4 freezing after update.

This guide though will focus on PS4 Error (SU-30746-0) trying to present viable and effective solution to this problem.

Causes of PS4 Error (SU-30746-0)

What causes PS4 Error SU-30746-0

Let’s first preface all of the following with this: updates provided by Sony rarely cause problems. That’s rarely, not never, but when it happens, it hurts.

The end cause of PS4 Error (SU-30746-0) is a critical system core file corruption that the corrupted files are unable to perform as they should.

What’s PS4 System file

A PS4 system file is seen by the operating system as being instrumental to the function of the system itself. They contain code that tells the PS4 console how to respond and process commands. Moving them, deleting them or altering them in any way has the potential to cause widespread system failure or general instability.

What does it mean if a file is corrupted?

A corrupted file is one that is damaged, and does not perform properly. This can apply to any type of file, from app files to system files and all types of documents and media. Just about everybody has probably had an issue with a corrupted file at some point in time. In many cases it can be resolved with a simple reboot of your PS4 system, but sometimes the issues are more complex.

Every file on your PS4 system has a particular structure and content. When this information is in the right place and arranged properly, the file will work as normal. However, if the wrong information is written into a file, or if the right information is written in the wrong place, it will affect the way the data is used and displayed. A corrupted file may not open at all, or it may appear scrambled and unreadable. This does not always indicate that the core software is corrupted, however.

Causes of PS4 System file Corruption

There are dozens of reasons why your PS4 system files might become corrupted and thus Error (SU-30746-0) occurs, but among the most common are:

  • Sudden power outage. To read more on the harms and bad impacts of the power outage on the performance of PS4, please click here.
  • Power surge
  • Malfunctioning hard drive
  • Complete system crash
  • Mismatched versions
  • Updating errors

So, these are the most common reasons for PS4 Error (SU-30746-0). Let’s learn now how to fix it and avoid it from happening in the future.

Fixing PS4 Error Code (SU-30746-0)

There are not many options you can try in order to fix PS4 Error (SU-30746-0). Once that error occurs, it means some of the PS4 system essential files are corrupted and must be replaced with intact ones.

1. Full Initialize the PS4

It’s not uncommon for the PS4 to freeze up or lock up or a having a critical Error like (SU-30746-0). Sometimes, it just doesn’t want to work as well as you would like it too. You don’t have time to figure out what is wrong; all you know is that you need your PS4 back in working order now! The best thing you can do is initialize the console, which will delete everything and set it back to factory settings.

In the case of Error (SU-30746-0), you need to full initialize the PS4 and reinstall the PS4 system software from scratch. That means you’ll have to wipe off all the PS4 storage data and have a completely fresh copy of PS4 system software.

To do this to your PS4, you’ll need a USB hard drive or a thumb drive (with around 1GB of free space) and a computer with Internet access.

Obtain the correct update

  1. Download the PS4 firmware from this page on your PC, the link you’re looking for is labelled as Download Now. This is not your usual system update that is around 300MB, rather, this is the entire software. To tell if you’re downloading the right file, it’s around 800MB. Even if you are on a fast connection, downloading it may take some time due to Sony’s servers. The file name should be PS4UPDATE.PUP.
  2. Plug the hard drive into your PC’s USB port. Open it and create a new folder. Name it PS4. In PS4, create another folder. Name it UPDATE. Use exactly that name, in capital letters only, so it can be recognized by the PS4.
  3. Copy the file to the UPDATE folder on your USB flash drive.

Put your PS4 in safe mode

  1. Connect the USB to your PS4.
  2. If your PS4 is on, switch it off. If the power indicator is lit up in orange (rest mode), hold the power button until you hear the system beep for a second time.
  3. Your PS4 now boots up in safe mode. Select Initialize PS4 (Reinstall System Software).
  4. Just follow the screens to complete the update, there are no further settings to choose.
Please note:
  • If your PS4 does not recognize the update file, check that the folder names and file name are correct. If they are not exactly as listed above, in UPPERCASE characters, this will not work.
  • Also, all users and all data will be deleted, so back up your data before doing this.

2. Full Format the PS4 Internal HDD

There might be bad sectors on your PS4 hard drive that caused the data corruption issue, thus Error (SU-30746-0). The best thing you can do here before disposing of your PS4 HDD is to full format it on a PC. Doing so will fix bad sectors (by overriding them) and restore the original performance of the PS4 HDD.

Follow the steps in our PS4 internal HDD format guide for more details.

Avoid PS4 Error Code (SU-30746-0) In the Future

avoiding PS4 Error SU-30746-0
In order to avoid encountering PS4 Error (SU-30746-0) in the future, you need to take the following precautions:

  • Make sure that your PS4 power cord doesn’t have any kind of wear or damage. Just verify it’s working properly.
  • Check if the power outlet to which you connect your PS4 power cord is sound. Check also the power strip.
  • Don’t update the PS4 system software in the future via the internet, you might have an unreliable internet connection that might have caused this issue. Always do offline update using a USB flash drive.
  • If you have found out that what caused that issue is the malfunctioning PS4 hard drive, consider upgrading it to an SSD which is more reliable and durable.


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