A Code 66 message in Nike+ Connect indicates a problem installing a firmware update on your Nike+ SportWatch GPS.
You can still use your SportWatch despite Code 66. However, you will not be able to install the latest firmware update until the issue is resolved.
Because firmware updates contain new features, bug fixes, and other important improvements, it's important to resolve Code 66.
Follow these troubleshooting steps if you receive Code 66 on your SportWatch:
If you continue to receive a Code 66 message when plugging in your SportWatch GPS, please give us a call.