Lexus Troubleshooting Questions? Ask a Lexus Expert
Hello, my name is ***** ***** I am a professional here at Just Answer. I have noticed that your question was not getting a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.Has the system been scanned to see it there are any fault code setting?
In order to determine why it only goes into Overdrive when its cold the first thing you need to do is to have the system scanned . If its a electronic control concern , the computer should set and store a fault codes and or codes. Get the scan done and post back and we can work from there.