John Deere ICU002129.09 – ICU: ICU Message Missing

The system has detected a missing ICU message, which may indicate a communication issue or a fault in the affected circuit. The system suggests checking fuse F28 and rebooting the vehicle. If the code persists, professional assistance is required.

1. 1

   Fuse F28

2. 2

   the affected circuit

1. 1

   Check

   Inspect fuse F28 for damage or failure.

2. 2

   Reboot

   Restart the vehicle to reset the system.

3. 3

   Contact

   If the code returns after rebooting, contact a John Deere technician for further diagnosis.