This error code is triggered when the PTP control unit detects that the transmission is not calibrated. This can occur if the PTP is currently performing calibration, has never been calibrated, or if a failed calibration was saved.
- John Deere error PTP codes
This error code is generated when the operator tries to shift with insufficient engine speed. It is stored when the axle speed is greater than 133 rpm while engine speed is below 2100 rpm. If axle speed is between 106 rpm and 133 rpm and engine speed is below 1750 rpm, the PTP commands engine…


