tc, kit, sol, output speed sen, speedometer sen on diff
came to shop with harsh shifts and 3 codes P0503 VSS intermittent. P0720 OSS circuit fault P0722 OSS no signal. we droped the pan and found large amount of metal so we pull out and rebuilt it. so it came back with the same problem. Runs ok unlit the codes reset and od light flashes.
P0503. P0720. P0722
Problem
Harsh shifts when speed sensor codes reset I found tsb on ground isues so i added extra ground to pcm and engie and still the same ting. now this problem is intermittent. I have monitor the sensors on scanner and no fault present when od ligh comes on when driving but at a stop the speedomer and output speed sen moves by its self like if the car was moving. Im stuck with this one please I need help.