New Holland 13033: SC/SD (ECU for 4WD, front P.T.O. and lift) error on +5 V reference voltage

The SC/SD ECU for 4WD, front P.T.O. and lift has detected an error related to the +5 V reference voltage. This indicates a potential issue with the power supply or the circuit associated with this voltage reference.

1. 1

   The power supply to the SC/SD ECU

2. 2

   Connections and wiring related to the +5 V reference voltage

3. 3

   The SC/SD ECU itself

1. 1

   Inspect the power supply to the SC/SD ECU

   Verify that the SC/SD ECU is receiving the correct power input.

2. 2

   Check the wiring and connections

   Examine the wiring and connections associated with the +5 V reference voltage for damage, looseness, or corrosion.

3. 3

   Test the SC/SD ECU

   If the power and wiring are intact, test the SC/SD ECU for proper operation.