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Home >> Oldsmobile >> 2003 >> Aurora >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P1623: Code Word Or Key Id Number Read/Write Error In Pcm >> Detection Condition

Detection Condition

WARNING: This page is about a different car, the 2002 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

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

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