coachmac Posted November 13, 2007 Share Posted November 13, 2007 Hey Guys, My 1999 GS300 is not shifting into 1st or 5th gear. It does shift through 2-4 very easily and still drives good--just higher rpm. I have already tried resetting the ECU with no change. Does it sound like I need a new tranmission control unit? If so, where is it located on the car. Is it basically plug and play? Thanks for any help I can get. Sam Quote Link to comment Share on other sites More sharing options...
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