Riverbankray Posted November 16, 2005 Share Posted November 16, 2005 Due to auto theft damage, I need to replace the ignition / ECU of my 2001 IS300. I am told that the '01 ECU is not programable. Will an '02 or later system work with my '01? Any suggestions? Thanks, Ray Quote Link to comment Share on other sites More sharing options...
bartkat Posted November 17, 2005 Share Posted November 17, 2005 Due to auto theft damage, I need to replace the ignition / ECU of my 2001 IS300. I am told that the '01 ECU is not programable. Will an '02 or later system work with my '01? Any suggestions?Thanks, Ray ← According to the parts list I have, the 2001 and 2002 ECU's have different part numbers. I don't know what the difference is though. Some of the 2001's got a reflash due to sluggish transmission shifts, and that may be it. Part numbers: 2001 = 89661-53132 2002 = 89661-53300 Quote Link to comment Share on other sites More sharing options...
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