Massey Ferguson 04.02.09 – TRANS1: Forward Clutch Solenoid Amp Draw Issue

The transmission control system has detected an abnormal electrical current (amperage draw) on the circuit responsible for actuating the forward clutch solenoid. This condition typically indicates that the solenoid coil has internally shorted or opened, or there is a short/high-resistance issue in the wiring harness connecting the module to the solenoid.

• 7724S
• 5712SL
• 7722
• 7722S
• 5713SL
• 7720S
• 7716
• 7718
• T4
• 7715
• 5710SL
• 7726
• 7726S
• 5711SL
• 7718S
• 7719
• 7714
• 7716S
• 7720
• Tier 4 (2015-2021)
• 7715S
• 7724
• 5608
• 5609
• 5610
• 5611
• 5612
• 5613
• 7614
• 7615
• 7616
• 7618
• 7619
• 7620
• 7622
• 7624
• 7626

1. 1

   Visually inspect the wiring harness from the TRANS1 module to the transmission valve block for chafed wires, melted insulation, or pinched lines that could cause a short.

2. 2

   Disconnect the forward clutch solenoid connector and check for water ingress, corrosion, or pushed-back pins.

3. 3

   Using a multimeter, measure the resistance (Ohms) across the pins of the forward clutch solenoid to check for an open circuit or dead short. Compare the reading to the reverse clutch solenoid.

4. 4

   Check the supply voltage to the solenoid connector while the tractor is running and the shuttle lever is shifted into the forward position.

1. 1

   Park the tractor on a level surface, engage the parking brake, and turn off the engine.

2. 2

   Locate the transmission control valve block on the side of the transmission housing.

   Identify the Forward Clutch Solenoid (refer to a hydraulic schematic if necessary to distinguish it from the reverse or range solenoids).

3. 3

   Thoroughly clean the area around the solenoid to prevent dirt and debris from entering the transmission hydraulic circuit.

4. 4

   Disconnect the electrical connector from the faulty solenoid.

5. 5

   Remove the retaining nut, bolt, or snap-ring holding the solenoid coil/cartridge in place.

6. 6

   Carefully pull the solenoid out of the valve block.

   Have a catch pan ready, as a small amount of transmission fluid may drain out.

7. 7

   Lubricate the O-rings on the new replacement solenoid with clean transmission fluid.

8. 8

   Insert the new solenoid into the valve block and secure it with the retaining hardware.

9. 9

   Reconnect the electrical connector.

10. 10

    Turn on the tractor, use a diagnostic tool to clear the 04.02.09 fault code from the TRANS1 module, and test the forward/reverse shuttle operation to ensure smooth engagement.