creo6 config.pro option documentation for: INTF2D_IN_ACAD_FIX_DIM_TEXT 
intf2d_in_acad_fix_dim_text
yes
, no
*
Determines whether to fix the special characters that were part of the dimension text in the DXF and DWG drawing files, but have skipped import. They are missing in the imported drawings or are stroked in the dimension picture text.
yes
- Fixes the special characters that are part of the dimension text, but are missing or are stroked in the dimension picture text after import of the DXF and DWG drawings. After you import the DXF and DWG files, such dimensions are created with text from the dimension definition in the DXF files.
no
- Does not fix the special characters of dimension text when they are missing or are stroked in the DXF and DWG files imported to Creo
.