Massey Ferguson 04.02.95 – TRANS1: Issue With Range 1 Engaged Switch And Range Solenoid 1 (TRANS1)

The transmission controller is detecting an issue where the signal from the Range 1 Engaged Switch does not correspond correctly with the command sent to Range Solenoid 1. This typically means the tractor will refuse to shift between ranges or may refuse to move altogether.

• 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
• 5410
• 5420
• 5425
• 5435
• 5445
• 5455
• 5460
• 5465
• 5470
• 5480
• 5608
• 5609
• 5610
• 5611
• 5612
• 5613
• 6445-6499
• 6612-6616
• 6711R-6713R
• 6712S-6718S
• 7614
• 7615
• 7616
• 7618
• 7619
• 7620
• 7622
• 7624
• 7626

1. 1

   Check for voltage at the switch (should be around 12V depending on the specific control circuit). Verify continuity in the wiring harness between the transmission controller and the Range 1 switch/solenoid.

2. 2

   Inspect the solenoids and switches located in a bank on the side of the transmission for corroded, loose, or damaged connectors.

3. 3

   Ensure the controller isn't receiving multiple range switch signals simultaneously (e.g., Range 1 and Range 2 switches both sending a 0V closed signal at the same time).

4. 4

   Test the Range 1 solenoid to ensure it is within spec and not shorted or open.

1. 1

   Locate the Components

   Locate the bank of four range change solenoids and their corresponding switches on the side of the transmission housing.

2. 2

   Clean the Area

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

3. 3

   Remove the Faulty Component

   Disconnect the electrical harness from the Range 1 switch and/or Range 1 solenoid. Unbolt the faulty unit from the transmission block.

4. 4

   Install the New Part

   Fit the replacement switch or solenoid. Ensure you are using the correct voltage-rated switch for your tractor's specific electronic module to prevent damage.

5. 5

   Seal and Protect

   Apply dielectric grease to the electrical connections to prevent future moisture ingress and corrosion.

6. 6

   Clear Fault Codes

   Access the tractor's diagnostic interface (via the dash panel or a handheld diagnostic tool) to clear the 04.02.95 fault code and restore normal transmission operation.