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Home >> Chevrolet >> 2000 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Engine Control System - Removal & Installation, Overhaul) >> Computerized Engine Controls >> Electronically Erasable Programmable Read Only Memory
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Electronically Erasable Programmable Read Only Memory

WARNING: This page does not describe the selected car, but rather 36 other vehicles, including the 2001 Saturn SW2, 2001 Saturn SL2, 2001 Saturn SL1, 2001 Saturn SL, and 2001 Saturn SC2. However, it is still accessible from the selected car via links, so may be relevant.

Electronically Erasable Programmable Read Only Memory (EEPROM) is a permanent memory that is part of PCM. EEPROM cannot be replaced. EEPROM contains program and calibration information that PCM uses to control powertrain. If PCM is replaced, ensure NEW PCM software/calibration is correct and most recent version for vehicle. EEPROM must be programmed when NEW PCM is installed. Program EEPROM using latest software for that specific vehicle.