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Home >> Mazda >> 2010 >> 5 Grand Touring, 2.3 L >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System L3] >> DTC P0606 >> Notes
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DTC P0606: Notes

DTC P0606 [L3] DETECTION CONDITIONS AND POSSIBLE CAUSES

DTC P0606 ECM/PCM processor
DETECTION CONDITION 
  • The PCM internal CPU malfunction
  • Abnormal voltage applied to PCM ignition switch terminal.

Diagnostic support note 
  • This is a continuous monitor (CCM).
  • MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
  • FREEZE FRAME DATA (Mode 2/Mode12) is available.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • Voltage of 1.0 V or more is applied to PCM ignition switch terminal even though ignition switch is off.
  • PCM internal CPU malfunction
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