John Deere 522090.18 – GPM (Gear Shift Module Direct Drive): INFORMATION FOR OPERATOR: Gear 2 Cannot Be Engaged

The control software's second attempt to engage Gear 2 has failed. This indicates either an electrical failure preventing the solenoid from actuating, or a mechanical issue where the gear (or the previous gear on the same side shaft) is physically stuck.

• 6110R
• 6120R
• 6130R
• 6145R
• 6155R
• 6175R
• 6195R
• 6215R

1. 1

   Check for related electrical fault codes (e.g., High Amps or Low Amps on the Gear 2 Solenoid Coil) indicating a short or open circuit

2. 2

   Check for time-out codes (such as 522090.17) indicating the system took too long to engage the gear on the first attempt

3. 3

   Verify engine speed is not too high, as the system will prevent downshifting to protect the engine

4. 4

   Check for mechanical binding, as the control software may detect that the previous gear on the same side shaft is stuck

1. 1

   Operator Reset

   Attempt to re-engage Gear 2 manually. If it fails, restart the tractor to reset the GPM module and attempt to select the gear again.

2. 2

   Electrical Inspection

   If the gear remains unavailable, locate the Gear 2 solenoid on the DirectDrive transmission valve block. Inspect the wiring harness and connector for damage, corrosion, or loose pins.

3. 3

   Solenoid Testing

   Test the Gear 2 solenoid coil for proper resistance to rule out an internal short or open circuit. Replace the solenoid if it fails electrical testing.

4. 4

   Mechanical Inspection

   If the wiring and solenoid are functioning correctly, the issue is internal to the DirectDrive transmission (e.g., a stuck side shaft or mechanical gear failure). This requires a qualified technician to open the transmission, inspect the side shafts, and repair the mechanical binding.