Reductant Level Sensor
WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
The reductant level sensor provides the reductant tank level to the PCM. The reductant level sensor is integral to the reductant heater and sender assembly. For additional information on the reductant level sensor, refer to Reductant Heater And Sender Assembly description in this article.