LLY p0875 on a fresh build

dirtymax36

2nd place is last
Apr 11, 2013
367
2
18
Hey all- current issue with a fresh build. Throwing p0875 on a fresh build. It will cycle from reverse to drive perfectly once and then will throw the code and go to limp 3rd in drive and sometimes reverse, if not reverse it will say “shift range inhibited” and then will lose the dash under the indicator. Since this issue, I have replaced the NSBU, Pressure switch, internal harness, and came up with nothing. Then, I changed out the entire valvebody with a known good 5spd VB (stock) with the same nsbu, switch, and internal harness with no luck. Fluid level is good, no other issues.
Trans is an LLY g solenoid. 500hp stock turbo truck, Goerend DK, GPZ clutches with Xxtreme non slotted c3/c4 with Borg Warner c5s. Orange pump spring with no shim. Thanks in advance
 

dirtymax36

2nd place is last
Apr 11, 2013
367
2
18
Got it! Ended up having a bit of marking on the valve. Got a new e valve and carried on. Thanks