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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 739 (6.7L Diesel - DTCS P2299 To U3017 - 2500 Hd, 3500 Hd) >> 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 2014 RAM 3500 HD and 2014 RAM 2500 HD. 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.

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