Hi can foxflash read and write a denso89666 2018 toyota hilux if so how please

Can any one help I'm wanting to write to a vw ed 16 u31 ecu in bench mode where do I write to ext Flash, int
flash Micro or Eeprom

Good morning i have done a addblue delete on a vw transporter ecu delphi dcm6.2 iv been informed i have to disconect the addblue ecu is this correct also is there any information about this on the portal many thanks dean

Can you read and write a delco E98 with obd many thanks dean

Can anyone help im trying to write all to a edc16u31 ecu i get a message saying
Chksum never supported for write all continue