4L60E Code 1870 Fix, Torque Converter Clutch, 1995-2000 TECKPACK.
4L60E Code 1870 Fix. This will stop code 1870 dead in it’s tracks. We have found this part to be bad on almost everyone we checked. (This part always wears out 99% of the time and should be replaced on every rebuild.) 1995 to 2000