94 es300 Posted March 3, 2008 Share Posted March 3, 2008 Need help 94 es300 60,000 miles no codes. The car will not shift into overdrive unless the lights are on. I can be driving and turn the lights off the car will down shift turn the lights back on the shifts back into overdrive. What could this be>??? Quote Link to comment Share on other sites More sharing options...
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