DTC P0217: Engine Coolant OVERTEMPERATURE Enrichment Protection: Description
WARNING: This page is about a different car, the 2002 Nissan Pathfinder and 2002 Infiniti QX4. However, it is still accessible from the selected car via links, so may be relevant.
This diagnostic determines whether the engine coolant temperature is extraordinary high, even when engine load is not heavy. When malfunction is detected, MIL illuminates after first trip when fault is detected.