John Deere 523933.31 – PTQ: Limp Home Mode Activated

This fault code is typically a secondary informational code. It indicates that the tractor's transmission has been placed into 'Come Home' (Limp Home) mode, which restricts transmission functionality to allow the operator to safely move a disabled tractor off the field or road.

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

1. 1

   Check the fuse panel to see if a fuse has been manually inserted into the dedicated 'Come Home' slot (e.g., the F5 slot).

2. 2

   Check the PTQ module for primary fault codes (such as pressure sensor faults, clutch enable circuit problems, or valve failures) that would necessitate Limp Home mode.

3. 3

   Verify the wiring harness behind the fuse panel for a short to power on the Come Home circuit if the fuse is not installed but the code remains active.

1. 1

   Locate the Come Home Fuse

   Access the main fuse panel in the cab.

2. 2

   Remove the Fuse

   The Come Home fuse should not be installed during normal operation. If a fuse is present in the Come Home slot, remove it.

3. 3

   Test Operation

   With the fuse removed, restart the tractor and operate the vehicle for 5 minutes.

4. 4

   Address Root Causes

   If the tractor refuses to move after the fuse is removed, or if code 523933.31 returns immediately, you must diagnose the primary transmission fault. Look for accompanying PTQ codes (e.g., PTQ 127.01 for low transmission pressure) and repair the underlying mechanical or electrical issue (such as replacing a faulty enable solenoid or transmission valve).

5. 5

   Recalibrate

   Once the primary transmission issue is repaired and the Come Home fuse is removed, clear all codes and perform a transmission calibration procedure to restore normal operation.