John Deere SCU523787.03 – SCU: Control Device Switching Voltage Problem

The system has detected a problem with the control device switching voltage. This may be caused by issues with the power supply or electrical system. A visual inspection of the batteries and alternator is recommended.

1. 1

   Batteries

2. 2

   Alternator

1. 1

   Visually inspect

   Inspect the batteries and alternator for any visible signs of damage or accumulated debris.

2. 2

   Reboot

   Reboot the car to see if the fault code clears.

3. 3

   Contact technician

   If the code returns after rebooting, contact a John Deere technician as soon as possible.