John Deere 000158.01: Control Unit Supply Voltage Problem

The system has detected a problem with the supply voltage to the control unit. This may result in improper operation or failure of the control unit.

1. 1

   Power supply to the control unit

2. 2

   Wiring connections to the control unit

3. 3

   Control unit itself

1. 1

   Verify

   The power supply to the control unit is functioning properly.

2. 2

   Inspect

   The wiring connections to the control unit for any damage, corrosion, or loose connections.

3. 3

   Test

   The control unit for proper operation using the appropriate diagnostic tools.