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Home >> Ford >> 2003 >> ZX2 Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Theory & Operation - CNG, Flex-Fuel & Gasoline >> Computerized Engine Controls >> Powertrain Control Module Software >> Flash Electrically Erasable Programmable Read Only Memory
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Flash Electrically Erasable Programmable Read Only Memory

Flash Electrically Erasable Programmable Read Only Memory (EEPROM) is an Integrated Circuit (IC) within PCM. This IC contains software code required by PCM to control powertrain. EEPROM can be electrically erased and then reprogrammed without removing PCM from vehicle. If a software change is required to PCM, PCM can be reprogrammed through Data Link Connector (DLC) using scan tool.

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