Chip deadlock

[zxc1]

Accidental operation to modify 0x40c to 0xff, how to deal with it

[Senlent · Accepted solution]

Hi@zxc1

If you only modified this part, you can try to disable security using Mass Erase.
（Remember, if you use the CESc module and allocate CSEc with key, please do not try to use Mass Erase to erase the chip directly）

1.if you're using PE

Senlent_0-1686712133758.png

2.J-Link

https://community.nxp.com/t5/S32K/S32K148-Unsecurity/m-p/1182938?lightbox-message-images-1176957=128...