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Home >> Lexus >> 2003 >> GS 300 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls (Removal & Installation) >> Computerized Engine Controls >> Engine Control Module (ECM) >> Notes

Engine Control Module (ECM): Notes

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CAUTION: If ECM is replaced, ECM must be programmed with proper ignition key code for engine immobilizer system. For programming procedures, see COMPUTER RELEARN PROCEDURES - LEXUS article in GENERAL INFORMATION.
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