Case IH 10020 – Front Suspension: Front Suspension piston Solenoid over current.

This code indicates that the control module is detecting an abnormally high electrical current draw on the circuit responsible for the front suspension piston solenoid. This is typically caused by a short circuit to ground in the wiring harness or an internally shorted solenoid coil.

• Magnum
• Magnum 180
• Magnum 200
• Magnum 215
• Magnum 225
• Magnum 235
• Magnum 240
• Magnum 245
• Magnum 250
• Magnum 275
• Magnum 280
• Magnum 290
• Magnum 305
• Magnum 310
• Magnum 340
• Magnum 380
• Steiger 350
• Steiger 430
• Steiger 480
• Steiger 500
• Steiger 530
• Steiger 550
• Steiger 580
• Steiger 600
• Quadtrac 350
• Quadtrac 430
• Quadtrac 480
• Quadtrac 500
• Quadtrac 530
• Quadtrac 550
• Quadtrac 580
• Quadtrac 600

1. 1

   Inspect the wiring harness running from the Front Suspension controller to the front suspension valve block for chafed insulation, pinched wires, or melted spots that could be shorting the power wire to ground.

2. 2

   Disconnect the harness at the piston solenoid and inspect the connector pins for corrosion, moisture, or damage.

3. 3

   Using a multimeter, measure the resistance across the two pins of the front suspension piston solenoid. The OEM specification is 9.9 Ohms. If the resistance is significantly lower or reads 0 (continuity), the solenoid is internally shorted.

1. 1

   Relieve Pressure

   Park the tractor on a flat, level surface. Turn off the engine and safely support the front frame/axle to relieve hydraulic pressure from the front suspension system.

2. 2

   Locate the Valve Block

   Locate the front suspension control valve assembly, typically mounted near the front MFD axle. Identify the specific "piston side" solenoid.

3. 3

   Clean the Area

   Thoroughly clean the exterior of the valve block and the solenoid to prevent dirt or debris from entering the hydraulic system.

4. 4

   Disconnect

   Unplug the electrical connector from the faulty solenoid.

5. 5

   Remove the Solenoid

   Remove the retaining nut or fastener at the end of the solenoid coil. Slide the faulty solenoid coil off the hydraulic valve cartridge stem. (Note: You usually do not need to remove the hydraulic cartridge itself, which prevents fluid loss).

6. 6

   Install the New Part

   Slide the new OEM solenoid onto the valve stem. Install and tighten the retaining nut to secure it.

7. 7

   Reconnect

   Plug the electrical harness back into the new solenoid.

8. 8

   Clear Codes and Test

   Turn the key on, clear the stored 10020 fault code via the tractor's display monitor, and start the engine. Cycle the front suspension to verify proper operation and ensure the code does not return.