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Home >> Jeep >> 2024 >> Wagoneer Carbide, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 38 (3.0L - DTCS P05DA-00 To P0617-00) >> DTC Troubleshooting >> P0604-00-Internal Control Module Random Access Memory (Ram) Error >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2024 Jeep Grand Wagoneer L and 2024 Jeep Grand Wagoneer. However, it is still accessible from the selected car via links, so may be relevant.

Each Powertrain Control Module (PCM) has an internal identifier that is programmed in the memory by the manufacturer. The PCM internal identification is checked each time the ignition is turned on.

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