
Originally Posted by
02NavyBlue
Is it intermittent or 100% occurring? If 100% and doesnt happen at any other shift, I'd check out your accumulator for the 1-2 springs. May be a broken spring or blown seal or something. That is if 2nd stays strong once it does engage. If not, it could be more serious.
Pcs usually happens when hot, or intermittent. Unless you have a code for it and something is really wrong with it.