John Deere 001638.02: Trans Oil Temp Below 29C/84F During Hitch Calibration
Issue description
The hitch control module detected that the transmission oil temperature was below 29°C (84°F) during the hitch calibration process. This condition may affect the proper operation of the hitch system.
Check the cause
The current temperature of the transmission oil
The operation of the temperature sensor associated with the transmission oil
The condition of the transmission oil, including viscosity and contamination
Repair steps
Check
Verify the current temperature of the transmission oil using a reliable temperature measurement device.
Allow
Allow the transmission oil to reach the recommended operating temperature before proceeding with hitch calibration.
Inspect
Inspect the transmission oil for proper viscosity and contamination, and replace if necessary.
Parts you might need
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