Toyota and Lexus Firmware T-0031-12.cuw

T-0031-12.cuw is a firmware identifier associated with Toyota or Lexus. The identifier alone does not establish its control module, vehicle application, or software function.

Identifying the calibration

The complete code, including the .cuw filename extension, distinguishes this entry from firmware with a similar prefix. A controller part number, related catalog filename, or service record is needed to identify what the calibration controls and whether it is a stock or modified variant.