New Holland 18072 – DCU: EDC Mouse Raise/Work Switch Fault

The system has detected a fault related to the lift/operation switch of the mouse Electronic Draft Control (EDC). Logged by the Drivetrain Control Unit (DCU), this indicates a malfunctioning switch or wiring problem with the component that allows the operator to adjust implements connected to the three-point hitch. This fault can cause the inability to raise or lower hydraulic attachments, engine starting or stalling issues, and transmission problems such as difficulty shifting or loss of power.

• New Holland T7 Series
• New Holland T8 Series
• New Holland 8240 Series

1. 1

   Visually inspect the EDC control 'mouse' and its associated wiring for any visible signs of damage, loose connections, or corrosion

2. 2

   Test the electrical continuity and function of the raise/work switch itself

3. 3

   Inspect the wiring harness between the EDC control and the DCU for any breaks, shorts, or other damage

4. 4

   Connect a New Holland Electronic Service Tool (EST) to read real-time data and perform specific component tests for in-depth diagnostics

1. 1

   Repair wiring harness

   If the wiring harness check reveals breaks, shorts, or damage between the EDC control and the DCU, repair the affected wiring and connectors.

2. 2

   Repair EDC mouse

   If the switch itself is faulty and wiring is intact, consider sending the EDC mouse to a specialized electronics repair service, as internal repair of the unit is often possible.

3. 3

   Replace EDC control unit

   If the unit cannot be repaired, replace the entire EDC control panel or 'Command Unit'. Verify the correct part number for the specific tractor model and serial number before ordering.