by SgtCathers » 26 Jul 2012, 06:09
So we have an M1152 here that every other time you start it up, it won't shift. So you start it up and it drives fine. Turn it off and turn it back on, won't shift out of second gear. This truck has had the transmission, torque converter, tcm with bluechip, and the PCB replaced. We have also tested the TPS and it was within required tolerance. I've been picking through this tm line by line and honestly, i'm stumped. I'm almost sure it's a relay or a circuitbreaker but I was wondering if anyone else had any ideas or had a similar experiance?