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DTC P0605: Internal Control Module Read Only Memory (ROM) Error: Notes

DTC P0605 CHART (MZI-3.7)

DTC P0605 Internal control module read only memory (ROM) error
DETECTION CONDITION 
  • The PCM ROM has been corrupted.
POSSIBLE CAUSE 
  • An attempt was made to change the calibration
  • Module programming error
  • PCM malfunction
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