New Holland T8010 Manual page 1586

Odd Clutch is not calibrated
Cause:
Odd Clutch is not calibrated
Solution:
Clear the fault codes and calibrate the Odd Clutch.
If the fault code still appears after the Odd clutch is properly calibrated, please contact TSG.
Even Clutch is not calibrated
Cause:
Even Clutch is not calibrated
Solution:
Clear the fault codes and calibrate the Even Clutch.
If the fault code still appears after the Even clutch is properly calibrated, please contact TSG.
C1-2 Clutch is not calibrated
Cause:
C1-2 Clutch is not calibrated
Solution:
Clear the fault codes and calibrate the C1-2 Clutch.
If the fault code still appears after the C1-2 clutch is properly calibrated, please contact TSG.
Section 55 - Electrical System, Controller - Chapter 4
FAULT CODE TRANS 125
FAULT CODE TRANS 126
FAULT CODE TRANS 127
55-4-59