John Deere 523813.12 – RPT (Rear Chassis): Rear PTO Speed 1 Solenoid Issue

The power module (PC5) detects a current exceeding 1 amp in lead 7063, despite the Y73 solenoid for PTO Speed 1 being commanded off. This abnormal current flow typically indicates a short circuit to power, an open circuit, or overheating of the solenoid.

• 6110R
• 6120R
• 6130R
• 6145R
• 6155R
• 6175R
• 6195R
• 6215R
• 6110M
• 6120M
• 6130M
• 6145M
• 6155M
• 6175M
• 6195M
• 6230
• 6330
• 6430

1. 1

   Inspect the Y73 solenoid circuit (specifically lead 7063) wiring and connections for signs of a short, open circuit, or overheating.

2. 2

   Use a multimeter to measure the current and voltage levels at the solenoid for PTO speed 1 to ensure they are within the specified range and that power isn't bleeding into the circuit when switched off.

3. 3

   Use diagnostic tools to test the solenoid for proper operation, checking for power and ground at the connector when activated.

4. 4

   Ensure that the PAP control software is updated to the latest version, as software glitches can sometimes cause erroneous circuit faults.

1. 1

   Address Wiring Issues

   If the diagnostic checks reveal damaged wires or connectors on lead 7063, repair or replace the affected harness sections. Clean electrical connections thoroughly, as partial connections can cause intermittent current issues.

2. 2

   Replace the Solenoid

   If the wiring is intact but the solenoid is found to be faulty, shorted internally, or overheating, replace the Y73 PTO Speed 1 Solenoid.

3. 3

   Software Update

   Apply any available patches or updates to the PAP control software that address circuit fault issues.

4. 4

   Clear and Test

   Clear the fault codes from the RPT/BCU module and test the PTO engagement to ensure the rear PTO functionality is fully restored.