LEMON Manuals: Even more car manuals for everyone
Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 94 (6.7L Diesel - DTCS P2000 To U1601 - 2500 & 3500) >> Diagnosis and Testing >> U1421-Implausible Ignition Key Off Time Received >> Theory of Operation

Theory of Operation

WARNING: This page is about a different car, the 2011 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.

This monitor checks if the timer that counts the ignition off time is stuck.