2nd Gen Ram Tech1994-2001 Rams: This section is for TECHNICAL discussions only, that involve the 1994 through 2001 Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
So it's been quite a while since I've been on here but my truck has started acting funny. Months ago I had a problem with the tcc not locking up, I changed the fluid and filter along with the speed sensor on the side of the trans cause I had a code for it and all was good. Then last week I noticed when the tcc locks up its only dropping maybe 159 rpms. I used be doing 53 mph at 1750, now I'm at like 48 or so. Checked a couple days ago and the fluid is fine and no codes. Well on my way to work I noticed that it won't lockup in 3rd but kinda does in od. Got to work and I've got a p0740 code which I know is the tcc lockup. This trans was rebuilt about 15k ago by a very reputable guy. Also maybe unrelated but every now and then right after start up the truck will idle very low and it sounds like it has a monster cam in it. Pop the gas pedal and it goes away and is fine. The iac should be clean because I cleaned it when I put the new tb on it about the same time as the trans. I have heard of the tps doing weird things with the tcc just wanted some incite.
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PCM just provides ground for the solenoid. It is powered any time the ASD relay is engaged. (engine running, basically) Just find the right wire (wiring diagram will tell you) and put a switch in line and run a wire to a good ground.