Changing your password on Facebook is essential for your online security. However, sometimes you may face issues where the code provided doesn't work. Here's what you can do in such a situation:

1. Make sure you're entering the code correctly - Check for any typos or errors.
2. Request a new code - Facebook often allows users to request a new code if the current one is not working.
3. Try another verification method - If the code isn't working, Facebook may provide alternative ways to verify your identity.
4. Contact Facebook support - If all else fails, reach out to Facebook's support for assistance in changing your password without the code.

It's important to address password issues promptly to keep your account secure. By following these steps, you can overcome the challenge of changing your Facebook password without a working code.