replaced the seperator plate and the valve body is correct for the vehicle. i did not replace the balls, they didn’t look like they needed replaced but i’ll look into the diagnostic.
97’ Gmc k1500 4l60e
This is my first truck and I can’t afford to bring it into a shop. truck shot the p1870 code few months ago and had hard 1-2 shift, I then replaced TCC Valve with a fitzall part and all shift solenoids. it fixed my problem for a few months then the code showed up again. i...