New Holland 13013: SC (control unit of four-wheel drive, lift and front power take-off) +12VF too high

The control unit of four-wheel drive, lift, and front power take-off is reporting that the +12VF voltage is too high. This indicates an abnormal voltage level in the system, which may affect the proper operation of the control unit.

1. 1

   The voltage supply to the control unit

2. 2

   Connections and wiring related to the control unit

3. 3

   The power source and its stability

1. 1

   Check the voltage supply

   Verify that the voltage being supplied to the control unit is within the acceptable range as specified in the service manual.

2. 2

   Inspect connections

   Examine all connections and wiring related to the control unit for any signs of damage, corrosion, or loose contacts.

3. 3

   Test the power source

   Ensure that the power source is stable and not causing fluctuations in voltage that could trigger the fault code.