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Home › Mazda › 2002 › MX-5 Miata LS, Automatic › Repair and Diagnosis › Engine Performance › System › Engine Controls - Self-Diagnostics › Diagnostic Tests › DTC P1623: Code Word Or Key Id Number Read/Write Error In Pcm › Detection Condition

Detection Condition

DTC is set when Powertrain Control Module (PCM) EEPROM is damaged.

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