Set Condition
WARNING: This page is about a different car, the 2014 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
The PCM compares the DEF tank level actual height differences during acceleration (sloshing) to a calculated level. If the comparison is less than or equal to a calibrated threshold for a calibrated amount of time, the PCM will set this DTC. This is a two Trip Fault.