TuneCar - DTC P0604 – Internal Control Module RAM Error

DTC P0604 – Internal Control Module RAM Error

P0604 indicates a problem with the ECM Random Access Memory (RAM).

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Related fault codes

DTC P0601 – Internal Control Module Memory Checksum Error

P0601 indicates a checksum error in the ECM internal memory.

DTC P0602 – Control Module Programming Error

P0602 indicates a programming error in the ECM.

DTC P0603 – Internal Control Module Keep Alive Memory Error

P0603 indicates a fault in the ECM Keep Alive Memory (KAM).

DTC P0605 – Internal Control Module ROM Error

P0605 indicates a Read Only Memory (ROM) error in the ECM.

DTC P0606 – ECM/PCM Processor Malfunction

P0606 indicates an internal processor malfunction within the ECM/PCM.

DTC P0A1F – Hybrid Battery Pack Voltage Sensor Circuit

P0A1F indicates a problem with the high voltage battery pack voltage sensing circuit.

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