tci tcu 4l60e shifting into overdrive problem
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I have a 4l60e in my 69 truck and i'm using the tci tcu to run it...the problem is it isn't shifting into overdrive but the display on the controller saying it is and when I come to a dead stop the display shows it shifting into the next gear before the transmission is actually shifting into the gear...has anyone had this problem? it doesn't have any problem with any other gears but overdrive.