TMODU is a standard SAP Table which is used to store Cross Reference Field Name - MODIF1 data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The TMODU table consists of various fields, each holding specific information or linking keys about Cross Reference Field Name - MODIF1 data available in SAP. These include MODIF (Modification group 1), TABNM (Table Name (4 Characters)), FELDN (Field Name), KOART (Account Type)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .