This fault code indicates that the engine speed data is above the normal operating range at a least severe level. This could be due to minor calibration issues, sensor errors, or transmission control unit (TCU) malfunctions.
- John Deere error PTH codes
This fault code indicates that the engine speed data is missing or has an abnormal update rate over the CAN network. This can be caused by issues with the transmission control unit (TCU), CAN system communication errors, or problems with the programming of control units.


