Creo ModelCHECK > checks > UNITS_LENGTH (Length Units)
  
UNITS_LENGTH (Length Units)
Y/N/E/W
Checks that the length units are from a standard list of acceptable units. Standard length unit types are designated in the start configuration file using the PRT_UNITS_LENGTH and ASM_UNITS_LENGTH configuration options.
Suggested Settings:
Inter
Batch
Regen
Save
W
W
W
W