error code 3728 T4

[blueak]

Does any know what the error code 3728 means in a T4.115 new holland

 

[Thumper & Buttercup]

This is out of my T4.75 shop manual, don't know if it crosses over but I would
think it does.

[ECU] - 3728-Info: Too low oil viscosity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301