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Home >> Mazda >> 2003 >> MPV ES >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> On-Board Diagnostic [Immobilizer System] >> DTC 21: Code Word/Id Number Memorized In Immobilizer Unit EEPROM Cannot Be Read >> Notes

DTC 21: Code Word/Id Number Memorized In Immobilizer Unit EEPROM Cannot Be Read: Notes

Fig 1: DTC 21 Possible Cause Chart
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