Description:

This diagnostic trouble code, PTQ 523961.07, indicates that the range lever is in the park position but the reverse drive lever is not in the neutral position.

Reaction:

When this error is detected, the control software shifts the transmission to neutral to prevent potential damage.

Recommendations:

Move Reverse Drive Lever to Neutral:

• Move the reverse drive lever to the neutral position to resolve the error.

Inspect Reverse Drive Lever:

• Check the reverse drive lever for proper operation and ensure it moves smoothly between positions.
• Repair or replace the lever if it is found to be defective.

Verify Switch Position:

• Ensure that the positions of the reverse drive lever correspond correctly to the control software signals.
• Adjust the switch or lever mechanism as needed to ensure proper alignment.

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 system accuracy and error handling.

Monitor System Performance:

• After addressing the above steps, test the reverse drive lever operation to ensure proper functionality.
• Confirm that the control software correctly detects the lever in the neutral position.

Note:

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