Set Condition:
WARNING: This page is about a different car, the 2012 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.
The PCM measures the variation between crankshaft position reference points. The measurements are compared to an ideal reference that is stored in the PCM. If the variation exceeds a calibrated percentage, a fault is stored. One Trip Fault. Three good trips to turn off the MIL.