dmoss69

I just lost my PCM again!

I don't know what it is about my setup, but I have lost 4 PCM's, and I bet I haven't flashed 10 times.

I read my pcm, and as soon as it stopped, I begain to flash it. It did the same as DOOMMASTER'S,

When mine fried, it simply established the connection to the PCM, erased the FLASH memory, then never started programming, it just sat at 0% the whole time (this was with the DOS version of Tunercat's programmer).

So, now I need the goods to make my PCM readable again.

What exactly do I need to get to do this?

Thanks,

David Moss

madwolf

Do you want to be able to fix it yourself?

Nostang 96z

How do you fix it yourself?

Thanks for any info.
Matt

dmoss69

yes,

I'm about to buy a pocket programmer and some spare chips.

anything else?

Thanks

turbo_Z

i have learned there are many things that can go wrong when you flash the PCM. i have used maybe 5 or 6 different computers and of them only 2 worked so i think its the tools you are using more than the way you are using them. my dads new Dell laptop will not complete a read even within DOS.. it always loses connection. a friend of mine had a sony laptop that wouldnt even read my cable. the computer i always use is a Dell desktop and it works fairly well. with the windows flash utility i fried 3 computers trying to read a file off the A drive(floppy) but then it worked flawlessly off the hard drive.. weird. even stranger is a socketed PCM i got from madwolf failed the programming 5 out of 6 times but had successful reads 100% of the time with the windows flash utility but since i switched over to the DOS version it has been fine. so as you can see there really isnt any type of writeup that applies to every application b/c there are just too many variables to deal with.

dmoss69

I've had good reads off of the windows flash utilities and I've had sucessful readings with the old DOS system too.

Windows is eaiser to use, but DOS isn't hard. I'm going to reprogram my new one today. (advance auto parts PCM) under warranty item .

I wonder which one I'm going to use today. I used the windows version 2 days ago, with sucess, but yesterday the windows version crashed.

Oh well, I hope all goes well today.

Thanks

David Moss

97Z-M6

i bet ive done thirty programs on 3diferent cars ans im using xp a usb to serial adpt. and have never had any trouble

tjwong

I have done dozens of PCMs and have never had a problem. Make sure that you are using the latest TunerCat program. And make sure that your cars battery is fully charged.

Another alternative is to build a bench harness, that is what I use and I have never had a problem. Somewhere on this list is a diagram for building one and a parts list that I supplied.

EviLZ28

anyone have a link or diagram on how to build one? ZI searched and had no luck. Thanks

tjwong

Here is a link to the C4 Corvette forum where there is a diagram:

http://forums.corvetteforum.com/zero...863#1543934863

EviLZ28

Thanks alot!!!!!