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Electronically Erasable Programmable Read Only Memory (EEPROM) Programming

WARNING: This page does not describe the selected car, but rather 69 other vehicles, including the 1999 Saturn SW2, 1999 Saturn SW1, 1999 Saturn SL2, 1999 Saturn SL1, and 1999 Saturn SL. However, it is still accessible from the selected car via links, so may be relevant.
  1. The replacement Powertrain Control Module (PCM) comes with the EEPROM already programmed. However, the PCM must be programmed, with proper immobilizer signal for anti-theft system before the vehicle will start. See appropriate ANTI-THEFT SYSTEMS article in ACCESSORIES & EQUIPMENT for programming immobilizer signal.
  2. Once PCM is programmed, perform powertrain On-Board Diagnostic (OBD) system check. See POWERTRAIN ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK in appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
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