John Deere HCU524016.04 – HCU: Switching Supply Voltage Problem

A switching supply voltage problem has been detected. This may be caused by issues with the power supply system. Visual inspection of the batteries and alternator is recommended to identify any visible signs of damage or debris.

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

   Restart

   Restart the vehicle to see if the code clears.

3. 3

   Contact a technician

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