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Home >> Mazda >> 2006 >> MPV ES >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System (AJ)] >> DTC P1603 >> Notes
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DTC P1603: Notes

DTC P1603 [AJ] DETECTION CONDITION AND POSSIBLE CAUSES

DTC P1603 Key ID numbers are not registered in PCM
DETECTION CONDITION 
  • Key ID numbers are not registered In PCM.
POSSIBLE CAUSE 
  • Immobilizer system reprogram procedure (key IDs) was not performed after replacing PCM.