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Hybrid Vehicle Electronic Control Unit Programming

NOTE: Following procedure is for only programming the Hybrid Vehicle Electronic Control Unit (HV ECU) for engine immobilizer system operation when only HV ECU is replaced. Engine immobilizer system may also be referred to as Hybrid Vehicle (HV) immobilizer system. For programming of ignition key and transponder key Electronic Control Unit (ECU) for engine immobilizer system, see IMMOBILIZER COMPONENT REPLACEMENT PROGRAMMING (PRIUS) in COMPUTER RELEARN PROCEDURES - TOYOTA article in GENERAL INFORMATION.
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