Massey Ferguson 4.X.96 – TRANS1: Issue With Range 2 Engaged Switch And Range Solenoid 2

The transmission control system has detected a malfunction, electrical fault, or an inconsistency between the commanded state of the Range 2 shift solenoid and the physical feedback signal coming from the Range 2 engaged switch. When this happens, the tractor may refuse to shift between ranges or may fail to move altogether.

• 5710SL
• 5711SL
• 5712SL
• 5713SL
• T4
• 5608
• 5609
• 5610
• 5611
• 5612
• 5613 iT4
• 5713SL T4
• 7714
• 7715
• 7715S
• 7716
• 7716S
• 7718
• 7718S
• 7719
• 7720
• 7720S
• 7722
• 7722S
• 7724
• 7724S
• 7726
• 7726S Tier 4

1. 1

   Test the Range 2 solenoid coil for continuity and correct resistance using a multimeter (a failed coil or open circuit is the most common culprit)

2. 2

   Inspect the wiring harness and connectors leading to the transmission side block for chafing, corrosion, or loose pins

3. 3

   Test the Range 2 Engaged Switch to ensure it is sending the correct closed/open signal when the range is mechanically engaged

4. 4

   Verify that the transmission hydraulic system is delivering adequate pressure to the clutch packs (low pressure prevents mechanical shift completion)

1. 1

   Locate the Components

   Identify the bank of range change solenoids and switches mounted externally on the side of the Dyna transmission housing.

2. 2

   Clean the Area

   Thoroughly clean the transmission block around the solenoids to prevent dirt from entering the hydraulic system during removal.

3. 3

   Disconnect Wiring

   Unplug the electrical connectors from Range Solenoid 2 and the Range 2 Engaged Switch.

4. 4

   Remove the Faulty Part

   Unbolt and carefully extract the faulty solenoid valve or switch from the transmission block.

5. 5

   Install the Replacement

   Fit the new solenoid or switch. Ensure that all O-rings are properly seated and lubricated with clean transmission hydraulic fluid to prevent pinching.

6. 6

   Reassembly and Testing

   Reconnect the wiring harness. Clear the 04.02.96 fault code from the TRANS1 module using a diagnostic tool, then test-drive the tractor to confirm smooth shifting into Range 2.