John Deere 000734.05 – PTQ / PTR / PTI: Forward Clutch Solenoid Amps Are Low Main Control Module

The main control module has detected that the electrical circuit for the forward clutch solenoid is drawing less current than expected. This indicates an open circuit, high resistance, or a faulty solenoid coil, which can result in the tractor failing to move forward.

• 6110M
• 6120M
• 6130M
• 6145M
• 6155M
• 6175M
• 6195M
• 5085M
• 5095M
• 5095MH
• 5105M
• 5015ML
• 7720
• 6105M
• 6115M
• 6125M
• 6M 130
• 6M 155
• 6M 180

1. 1

   Record whether the code is active or stored, clear it, and observe if it returns immediately upon attempting to engage the forward gear

2. 2

   Check transmission and hydraulic oil levels, as low fluid can cause various transmission faults

3. 3

   Visually inspect the wiring harness and connectors leading to the transmission solenoids for damage, corrosion, or loose connections

4. 4

   Measure the resistance across the disconnected forward clutch solenoid terminals (typically 5 to 30 ohms). Infinite resistance indicates an open circuit; near zero indicates a short

5. 5

   Check the circuit integrity between the solenoid valve and the controller for continuity, ensuring there are no opens, shorts to ground, or shorts to power

6. 6

   Perform a solenoid swap test by swapping the electrical connector from the reverse solenoid to the forward solenoid. If the tractor moves forward when reverse is selected, the forward solenoid has failed

7. 7

   Check for voltage at the solenoid's electrical connector when the forward gear is engaged to rule out upstream wiring or control module issues

1. 1

   Prepare machine

   Ensure the tractor is on a level surface, the park brake is engaged, and the engine is off.

2. 2

   Locate solenoid

   Locate the forward clutch solenoid on the transmission control valve body. The exact position varies by tractor model and transmission type.

3. 3

   Remove faulty solenoid

   Disconnect the electrical connector. Carefully unthread and remove the old solenoid, watching for springs or other small valve components that may dislodge during removal.

4. 4

   Install new solenoid

   Install the replacement solenoid, ensuring any associated seals or O-rings are correctly seated. Torque the solenoid to the manufacturer's specification.

5. 5

   Re-test system

   Reconnect the electrical harness, clear the fault codes with a diagnostic tool, and perform an operational check.