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Was able to read it and save the file and license it. Then I made my changes went to write and it stopped halfway and then said transfer data timed out and now the truck wont crank. No dash lights and gauges dont work. Only thing that works is the aftermarket radio, power seats and windows. Is the computer fried? Vcm scanner doesnt detect it
Remove the fuse for the aftermarket radio and try again.
Those aftermarket parts are a plague to the 2003-2007 trucks.
Since it won't detect the PCM at all I would pull the radio and disconnect the chime adapter from the dash harness. And while you have it disconnected you might as well throw it in the trash because you probably have one that is going to cause problems anytime it is on the bus.
Well I think it was bricked. Tried all the above and thankfully I had a extra computer laying around, so I put it in and the truck would crank but not fire, so I removed the vats and did a segment swap and everything is happy. Just shitty it bricked the original pcm :/ never happened to me before and I?ve done a ton of these silverados with aftermarket radios and never had any problems. Oh well
It's not the radio, it's the chime adapter.
Extremely difficult to "brick" these ecm's if you were doing write cal only.Quote:
Originally Posted by Shortyno10
I bricked the p59 in my tahoe because of an aftermarket radio...I was able to get it working after flashing it using a background debugging module soldered to the PCM directly. Send me a private message if you want to send me your PCM and I'll try to get it working again for the cost of shipping. what is the SERV. NO. and HDW NO. on the sticker of your PCM?Quote:
Originally Posted by Shortyno10
bill@hptuners What if he did "write entire" asking for a friend....