This error code indicates a data transfer problem between the FCC control software and PTA, PTD, or PTQ control software, suggesting an issue with the CAN bus or transmitting control software.
- John Deere error FCC codes
This error code indicates a fault that occurred during the software launch, specifically related to the watchdog timer. The watchdog timer is designed to detect and recover from software errors. A failure here suggests a problem with the control software’s initialization or a deeper software fault.
- John Deere error FCC codes
This error code indicates that the supply voltage to the Instrument Unit (ELX) has fallen below 11.2 volts while the engine speed is between 500 and 1500 RPM. This issue typically arises due to problems with the battery, alternator, or electrical connections within the system.


