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Home >> Chrysler >> 2009 >> 300 Touring, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 165 (Electronic Control Modules (Service Information)) >> Electronic Control Modules - Service Information >> Module-Engine Control >> Operation >> ECM Operating Modes >> After-Run Mode
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After-Run Mode

WARNING: This page is about a different car, the 2007 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

The ECM transfers RAM information to ROM and performs an Input/Output state check.