Description:

This diagnostic trouble code, PTQ 523966.31, is generated when the come-home mode is activated (plug for come-home function in the COME-HOME position). The operator is informed to move the reverse drive lever to its neutral or park position to access the next stage of the come-home function.

Reaction:

When this error is detected, the control software shifts the transmission into neutral.

Recommendations:

Move Reverse Drive Lever:

• Move the reverse drive lever to the neutral or park position as indicated to proceed with the come-home function.

Inspect Reverse Drive Lever:

• Ensure the reverse drive lever operates smoothly and correctly engages in the neutral or park position.
• Repair or replace the lever if it is found to be defective.

Verify Come-Home Mode Activation:

• Confirm that the come-home mode is activated intentionally and that the plug for the come-home function is correctly positioned.

Update Software:

• Verify that the control software is up-to-date with the latest version.
• Update the software if there are any available updates to improve functionality and error handling.

Monitor System Performance:

• After addressing the above steps, test the reverse drive lever operation in come-home mode to ensure proper functionality.
• Confirm that the transmission shifts correctly when the lever is in the neutral or park position.

Note:

• Regular inspection and maintenance of the reverse drive lever and come-home function components can prevent operational issues.
• If the issue persists despite taking the above measures, consult technical support or the manufacturer for further assistance.