74 Error Code For Turner-Simplicity Tractor Models
There is 1 kind of error description.
The park brake ON with gear is engaged - no park brake request from calibration.
If Heater does not work,Low coolant level. Check coolant level; add if necessary, faulty thermostat, heater control valve not functioning properly ,heater core or hoses clogged or damaged. Flush cooling system. See your John Deere dealer or replace heater core or hoses.