Lexus not changing gears properly

06-14-2009, 07:20 PM
I have a 92 lexus 400 LS 4.0 sometimes while driving it seems the transmission locks in gear and will not change and the rpm goes up. The strange thing is that it only does it when the park or headlights are on. Also when I apply the brakes the reverse indicator light comes on. Anyone with these problems or suggestions on the fix?

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