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Home >> Mazda >> 2007 >> CX-9 Touring, 3.5 C, AWD >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System MZI-3.5) >> DTC P0604 >> Notes
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DTC P0604: Notes

DTC P0604 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0604 Internal control module random access memory (RAM) error
DETECTION CONDITION 
  • Indicates the PCM RAM has been corrupted.
POSSIBLE CAUSE 
  • Module reprogramming
  • Aftermarket performance products.
  • PCM malfunction