This diagnostic trouble code is generated when the direction of travel does not match the commanded direction of travel, indicating a failed shift operation.
- John Deere error PTD codes
This diagnostic trouble code is generated to inform the operator that the transmission warm-up routine is active due to the transmission oil temperature being below -15°C (5°F). During this routine, all clutches, gears, and ranges of the transmission are automatically shifted to warm up the oil. Operator commands are ignored until the warm-up routine is…
- John Deere error PTD codes
This diagnostic trouble code is generated when the control software expects but does not receive the wheel speed signal from channel 1. This code can also be generated if there is a difference of more than 10 km/h (6.2 mph) compared to the wheel speed sensor on channel 2.


