This diagnostic trouble code is generated when there is a data transfer problem between the PL1 control software and the PL4 control software. This issue occurs when messages sent on the CAN Bus by the PL4 control software are intermittently received or not received at all. Possible causes include an open circuit in the CAN…
- John Deere error PL1 codes
- John Deere error PL1 codes
This diagnostic trouble code is generated when there is a data transfer problem between the PL1 control software and the PL3 control software. The issue may be due to intermittent or non-existent reception of messages sent on the CAN Bus by the PL3 control software. Possible causes include an open circuit in the CAN Bus,…
- John Deere error PL1 codes
This diagnostic trouble code is generated when the control software receives too many incorrect CAN Bus messages or detects a general problem in the connection to the vehicle CAN Bus (500 kBd). This could be due to communication errors, faulty wiring, or hardware issues.


