Ok here it goes! I purchased the SCT programmer for my R/T and when I flashed the PCM it fried it. SCT gave my tuner guy the wrong part # for my tune files. SCT sent me a new computer but the truck still wont run and they have sent me various tune files to try but nothing is allowing the truck to start. I am curious if it fried something else in the process. The truck run like a top before SCT but now nothing will get the truck to start. I am trying to get another PCM from someone on here so I know what I am getting for sure and going to see if that lets the truck start. I have a bad feeling that it isnt. Marty at KRC is stumped until he has the truck in front of him but that means a 12 hour plus drive for me to trailer it down to him so I am trying to solve the issue on my own first. I thought maybe the camshaft sensor or something like that couldve went bad. The camshaft sensor is the only part I have replaced and it didnt work either. Anyone have any thoughts or ideas to help me get my baby running again! It has been over 2 months now trying to figure out why it wont work. Any help, insight, experiences would be greatly appreciated. Thanks!
SCT Tuner fried computer..replacement didnt work! any ideas?
92_dakota_318
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Ok here it goes! I purchased the SCT programmer for my R/T and when I flashed the PCM it fried it. SCT gave my tuner guy the wrong part # for my tune files. SCT sent me a new computer but the truck still wont run and they have sent me various tune files to try but nothing is allowing the truck to start. I am curious if it fried something else in the process. The truck run like a top before SCT but now nothing will get the truck to start. I am trying to get another PCM from someone on here so I know what I am getting for sure and going to see if that lets the truck start. I have a bad feeling that it isnt. Marty at KRC is stumped until he has the truck in front of him but that means a 12 hour plus drive for me to trailer it down to him so I am trying to solve the issue on my own first. I thought maybe the camshaft sensor or something like that couldve went bad. The camshaft sensor is the only part I have replaced and it didnt work either. Anyone have any thoughts or ideas to help me get my baby running again! It has been over 2 months now trying to figure out why it wont work. Any help, insight, experiences would be greatly appreciated. Thanks!
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My PCM was fried by SCT as well. They are replacing the PCM, and I am waiting for them to send it. I had a spare PCM fortunately, and the truck runs fine with it. It's funny how SCT said my truck was the only fried PCM that they had seen ... lol. My truck died on the dyno 30 miles from my house. It ended up costing me a pretty penny:argue:
It's laughable the condition that they released the software in. Basically I paid $1000 to be a beta-tester.
Do you have spark?
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You might want to see if the dash say NO BUS if the dash cluster is fried and it does not speak to the pcm on the bus the computer is sort of locked out. If the dash cluster is fried a new one is expencive, around $700.00 retail. I can get it a little cheaper. I got lucky once and scored one in the salvage yard. The problem with a used cluster is what ever the milage the cluster has on it that is what must be written into the pcm.
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:blahblah:
Yeah ive got spark and the fuel is getting to the fuel rail its just not going any farther then that which tells me copmuter problems. It will fire on starting fluid but only for a second obviously. I am going to get a spare pcm and see if that works. Yea SCT I dont know what to think about them. Thats what they told me, oh well your the first one i have had this happen to. :blahblah: They sent me a new one and it still doesnt work and they sent me several tune files and those havent worked. So in a sense im curious if it fried something else. Just trying to figure this all out and get my truck running again after two months of sitting in the driveway going nowhere.:huh:
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999 Posts
Are there any codes? Have you checked all of the fuses, both the fuses in the power distribution center and the ones in the dash? What is the part number on the PCM ... does it match the factory part number? Do you have the advantage software? Have you hooked it up to a scanner with key on, engine off?
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wow that I have never heard of. Definatly should be something SCT is backing up.
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There are absolutely no codes, Fuses all check out good, I dont have the advantage software, Nothing shows on scanner since there are no codes to show. The only thing i wonder as well is relays, you can tell they are engaging when you turn the key on but i dont know how to tell if they are bad or not. I might just replace them and see if that works as well. I dont want to nickel and dime myself either if all it is, is the pcm and not anything else. I have purchased a Mopar PCM from orangertdakota and going to see if the truck will run with that PCM. If it doesnt, then i can pretty much rule out PCM as the problem and try and figure out what else could be wrong. Im totally stumped at this point and so is SCT and Marty at KRC until he has the truck in front of him and can do diagnosis on it. I dont have the funds to trailer it down there to florida from indiana in hopes KRC could fix it in a few days otherwise having to come back home and then drive all the way back. That would be rediculous so i am doing what i can to avoid all that headache. Like i said earlier, the truck will fire with starting fluid but wont stay running obviously unless more fluid is put in. Driving me up the wall I know that much! Anyways, Thanks to everyone so far who has come up with ideas. Keep them coming!!!:clap2:
Instead of paying to trailer it all the way to FL, why not just take it to your local dealer and see what they say. The one I take my van to doesn't charge diagnostic fees, and after they tell me what's wrong, I will usually fix it myself to save money on labor. Unless it's a computer update or something like that.
Hey
Are you saying if you keep spraying starting fluid in the TB it will stay started? have you checked fuel pump pressure? Was the truck on the dyno when this happened? I would think if your PCM was dead, first your truck would not even start even with starting fluid, and on your dash, it should say No Bus where the mileage is! Why do you think KRC can do for you? :huh:
You will also have to have SCT reflash your software to match the P/N of the new PCM or it won't talk!
Are you saying if you keep spraying starting fluid in the TB it will stay started? have you checked fuel pump pressure? Was the truck on the dyno when this happened? I would think if your PCM was dead, first your truck would not even start even with starting fluid, and on your dash, it should say No Bus where the mileage is! Why do you think KRC can do for you? :huh:
You will also have to have SCT reflash your software to match the P/N of the new PCM or it won't talk!
My dash says NO BUS now and my truck wont start. What the fuck:rant:
Sorry for the threadjack
Serious
Thats not good, I sent a PCM to KRC to have B&G flash it and then got it back, installed it and got the No Bus on the dash, called KRC and they said to send it back to them and then called me back to inform me the PCM was bad, luckily I had a spare and they flashed that one, looks like you need a PCM my friend, have you had anyone flash yours or have tried polishing the unit?
Thats not good, I sent a PCM to KRC to have B&G flash it and then got it back, installed it and got the No Bus on the dash, called KRC and they said to send it back to them and then called me back to inform me the PCM was bad, luckily I had a spare and they flashed that one, looks like you need a PCM my friend, have you had anyone flash yours or have tried polishing the unit?
NO.. Havent had it flashed. I was trying to hook up my SMT6 and thought I had my key turned off and unhooked the wiring harness from the PCM(closest to dash) It made a weird sound, I hooked it back up and my truck started fine. but now it wont start:argue:
ok...if it says NO BUS then you prob have a shorted out sensor on the engine..it's taking the 5 volt reference and causing you to lose the bus signal... i've seen this quite a few times... usually it's the cam or crank sensor first..what i do is cut the 5 volt signal wire at the PCM where i can resolder it..then turn the key off for a few about 10 seconds, turn it back on and if you see it doesn't say NO BUS any more then resolder the wire and unplug one sensor at a time and recycle the key every time ya unplug a sensor... the most common is cam , crank and O/2's... ..start there..lemme know what ya come up with... Len
I dont have a soldering gun but I'll try it with connecters and electrical tape. Thanks man
Just say no to electrical tape. I have a soldering iron and some heat shrink sleeving you can use. If you get it running, you can drive over here and we can put the wire back together properly.
Thanks man:wave: I dont work tomorrow, so if I get it running I will take you up on that offer. I just hope the PCM isnt fried, I hope its something small.
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I dont have the no bus signal. I replaced the camshaft sensor but havent replaced the crankshaft sensor. Do you think that replacing that could solve my problem? I have another PCM coming to me this week. Would a bad crankshaft sensor not allow the truck to start? :huh: Kinda lost and confused with all this. :sorry: SCT talked to KRC/Marty in trying to find a solution to my problem and marty said he didnt know without having the truck in front of him to diagnose. I dont like the local dealer here because ive been shafted by them before and they really dont know what the heck they are talking about. Also about the starting fluid. It will start on starting fluid. I know the injectors arent firing but they are getting fuel which tells me PCM. could be wrong but isnt that computer related? The truck ran just fine before i hooked up the SCT tuner and flashed a tune then all hell broke loose and havent had a running truck since.
well...what year is this truck and i'll look it up... but yes..i've seen jus the crank sensor keep it from starting...but i have seen one run with a bad cam sensor.....if ya want pm me yer VIN and i'll look it up straight off that...ok??... Len
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