New Holland TRANS 110 – Transmission Control Module (TCU) / Transmission Controller: Mid range clutch solenoid or its wiring failed open or shorted to ground.

The system has detected an electrical fault in the circuit responsible for actuating the mid-range transmission clutch. Specifically, the controller is seeing either a complete break in the circuit (failed open) or the voltage is bleeding off directly to the chassis/ground (shorted to ground).

• TG210
• TG215
• TG230
• TG245
• TG255
• TG275
• TG285
• TG305
• TJ 530
• T8010-T8050
• T9010-T9060
• TM175
• MXM175
• MXM190
• Magnum
• Steiger

1. 1

   Visually inspect the wiring harness leading from the Transmission Controller to the transmission control valve block. Look for chafed wires, melted insulation, or pinch points that could cause a short to ground.

2. 2

   Disconnect the electrical connector at the mid-range clutch solenoid. Inspect for corrosion, moisture ingress, bent pins, or loose terminals.

3. 3

   Using a multimeter, test the wiring harness between the TCU and the solenoid connector for continuity (to rule out an open circuit) and test for continuity to ground (to rule out a short).

4. 4

   Measure the internal resistance of the mid-range clutch solenoid coil. If the multimeter reads infinite resistance (open) or zero/near-zero resistance (shorted), the solenoid has failed internally.

1. 1

   Power Down

   Turn off the machine and disconnect the negative battery cable to prevent accidental short circuits during repair.

2. 2

   Locate the Solenoid

   Locate the transmission control valve block on the side of the transmission housing. Identify the specific solenoid assigned to the mid-range clutch (refer to the specific model's hydraulic schematic if necessary).

3. 3

   Disconnect Wiring

   Unplug the electrical connector from the faulty mid-range clutch solenoid.

4. 4

   Remove the Solenoid

   Clean the area around the valve block to prevent dirt from entering the hydraulic system. Remove the retaining bolts/hardware holding the solenoid in place and carefully extract the solenoid valve from the manifold.

5. 5

   Install New Part

   Lubricate the O-rings on the new transmission clutch solenoid with clean transmission fluid. Insert it into the valve block and torque the retaining hardware to OEM specifications.

6. 6

   Reassemble

   Reconnect the electrical harness to the new solenoid.

7. 7

   Calibrate

   Reconnect the battery. Use a diagnostic service tool to clear the TRANS 110 fault code. Because a clutch control component was replaced, you must perform a transmission/clutch calibration procedure to ensure smooth shifting and proper clutch engagement.