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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1313 (6.7L Diesel - DTCS P0340 To P063D - 2500 Hd & 3500 Hd) >> DTC Troubleshooting >> P0604-Internal Control Module Ram >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2016 RAM 3500 HD and 2016 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

The Powertrain Control Module (PCM) monitors the Random Access Memory (RAM) functionality and will set this fault if errors are found. The PCM will immediately illuminate the MIL lamp and flash the ETC Lamp after the diagnostic runs and fails.

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