Massey Ferguson 04.02.62 – TRANS1: Issue With Range 2 Solenoid Valve (TRANS1)

The transmission controller detects an electrical fault (open circuit, short circuit to +12V, or short circuit to 0V) on the Range 2 solenoid valve circuit. It can also indicate an inconsistency between the Range 2 switch and the Range 2 solenoid valve.

• 7724S
• 5712SL
• 7722S
• 7722
• 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 Range 2 solenoid valve on the transmission valve block for severe rust, physical damage, or fluid ingress

2. 2

   Perform an electrical resistance test on the Range 2 solenoid coil (expected value is approximately 7.2 Ω ± 7%). An out-of-limits or zero reading indicates an internal fault

3. 3

   Check the wiring harness between the solenoid connector and the TRANS1 controller for continuity, short circuits to ground, or short circuits to a +12V power source

4. 4

   Verify the operation of the Range 2 switch in the cab to ensure there is no inconsistency between the switch command and the solenoid state

1. 1

   Preparation

   Park the tractor on a level surface, engage the parking brake, turn off the engine, and disconnect the battery to prevent short circuits.

2. 2

   Access the Valve Block

   Remove any shielding or panels necessary to access the transmission control valve block.

3. 3

   Remove the Faulty Solenoid

   Disconnect the wiring harness from the Range 2 solenoid valve. Clean the area around the valve to prevent dirt from entering the transmission. Unbolt/unscrew the retaining mechanism and carefully pull the solenoid valve out of the block.

4. 4

   Install the New Solenoid

   Lubricate the O-rings on the new solenoid valve with clean transmission fluid. Insert the new valve into the block and torque the retaining bolts to the manufacturer's specification.

5. 5

   Reconnect and Reassemble

   Reconnect the electrical harness, ensuring the connector clicks into place and is free of moisture. Reinstall any removed panels.

6. 6

   Clear Codes

   Reconnect the battery, turn the ignition on, and use a diagnostic tool (or the tractor's onboard diagnostic display) to clear the 04.02.62 fault code. Test drive the tractor to ensure Range 2 engages smoothly without throwing the code again.