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Home >> Mazda >> 2003 >> 6 i, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls [Self-Diagnostics 2.3L] >> Diagnostic Tests >> DTC P0601: Internal Control Module Memory Check Sum Error >> Detection Condition
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Detection Condition

PCM internal Read Only Memory (ROM) malfunction. This is a Continuous Monitor (CM). MIL illuminates if PCM detects malfunction condition during first drive cycle. PENDING CODE is available if PCM detects malfunction condition. FREEZE FRAME DATA is available. DTC is stored in PCM memory.

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