LobsterThief Posted March 1, 2012 Share Posted March 1, 2012 Ended up swapping the tranny out. Please delete, thanks Link to comment Share on other sites More sharing options...
Blue88Comanche Posted March 1, 2012 Share Posted March 1, 2012 sounds like what dad's libby is doing. from what i read the TCU may need to be flashed or replaced. Link to comment Share on other sites More sharing options...
cruiser54 Posted March 1, 2012 Share Posted March 1, 2012 Year? TCU controls shifting, not the ECU regardless. Link to comment Share on other sites More sharing options...
Geonovast Posted March 1, 2012 Share Posted March 1, 2012 Unplug the TCU, and see if it will shift normally with the selector. Link to comment Share on other sites More sharing options...
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