John Deere 524069.05 – PTR, PRC, PTH, or PTQ: Reverse Clutch Solenoid Amps Are Low / Machine Drive Valve Reverse Current Below Normal or Open Circuit

The control module is detecting that the electrical current (amperage) flowing through the reverse clutch solenoid circuit is below the expected operating range. This typically indicates an open circuit, which is most commonly caused by a disconnected wiring harness, a broken wire, corroded connector pins, or a failed (open) solenoid coil inside the reverse clutch valve.

• 6110M
• 6120M
• 6130M
• 6145M
• 6155M
• 6175M
• 6195M
• 4044M
• 4044R
• 4049M
• 4049R
• 4052M
• 4052R
• 4066M
• 4066R
• 5045E
• 5055E
• 5085M
• 5100M
• 5075GL
• 6130R
• 6145R
• 6155R
• 6175R
• 6195R
• 6215R

1. 1

   Visual Inspection: Locate the reverse clutch solenoid (often designated as Y36, Y97, or Y51 in John Deere wiring schematics depending on the model) on the transmission control valve block. Inspect the wiring harness and connector for physical damage, chafing, or unplugged connections.

2. 2

   Coil Resistance Test: Disconnect the electrical connector from the reverse clutch solenoid. Use a multimeter to measure the resistance across the solenoid pins. A healthy transmission solenoid coil typically reads between 8 to 11 Ohms. If the multimeter reads 'OL' (open loop) or infinite resistance, the solenoid coil has failed internally.

3. 3

   Harness Continuity Test: If the solenoid tests within specification, check the wiring harness for continuity between the solenoid connector and the PTR/PTQ module.

4. 4

   Voltage Check: Turn the ignition switch to the ON position and check for proper supply voltage at the harness connector to rule out a short to ground or a module failure.

1. 1

   Prep the Machine

   Relieve any residual hydraulic pressure in the transmission system if required by your specific model's service manual. Clean the area around the transmission valve block to prevent dirt from entering the hydraulic system.

2. 2

   Disconnect

   Unplug the electrical connector from the faulty reverse clutch solenoid.

3. 3

   Remove the Solenoid

   Remove the retaining nut or bolt holding the solenoid coil to the valve stem (or remove the entire cartridge valve assembly, depending on the transmission type).

4. 4

   Install the New Part

   Slide the new solenoid coil onto the valve stem (or thread the new cartridge valve into the block). Torque the retaining nut/bolt to the OEM specification found in your model's technical manual (e.g., TM131019 for 4-series, TM408419 for 6M-series).

5. 5

   Reconnect

   Plug the electrical harness back into the solenoid, ensuring the weather-pack seal is seated properly and the locking tab clicks.

6. 6

   Clear and Test

   Use a diagnostic tool or the tractor's onboard diagnostic monitor to clear the 524069.05 fault code. Start the tractor and test the forward/reverse shuttle operation to verify the repair.