On Linux, use fwupd if the device supports LVFS:
Obtain the correct firmware files (usually in .kwi format) from the Toyota MyToyota Portal or an authorized source like the Toyota Owners Club . 13tfdaeuda07 firmware update
Free Upgrade! Unlock Apple CarPlay & Android Auto in Your Toyota On Linux, use fwupd if the device supports
| Fragment | Possible Interpretation | |----------|------------------------| | 13 | Version 13? Or a hex 0x13 (19 decimal) — often a command code in proprietary SCADA protocols. | | tfd | Could be "Trusted Firmware Delivery" or a module ID (e.g., TFD = Time-Frequency Divider in DSP chips). | | aeu | utonomous E mergency U pdate? Or a hash prefix. | | da | Direct Access (memory region). | | 07 | Sub-version or security zone level. | Or a hex 0x13 (19 decimal) — often
Download the firmware file and extract the .kwi or .iso files directly to the root directory of the USB (do not put them in a folder). Plug and Play: Insert the USB into the vehicle's data port.
Navigate to to check for available downloads.