cranks, but won't start
Ok guys, truck has been down in work parking lot for 3 days.
I removed quadzilla xzillaraider one week ago. The truck ran fine for a few days after that. I then drove it to work on Wednesday and after work it wouldn't start. The truck turns over like crazy but no fuel.
From what I can tell, the truck is not sending any signal to the lift pump. I also found that when the key is in the run position the instrument panel is not working properly.
I did plug in a Bullydog downloader into the truck at lunch that day and while configuring the truck it said 'unrecoverable error, please unplug'. I beleive the error code was ox7n or something very similar.
I seems as though the ecm is not sending the right signals?????
Is there any way to flash the ecm so it will reboot?
Very frustrated, I need the truck in a bad way.
Thanks in advance for all your help!
I removed quadzilla xzillaraider one week ago. The truck ran fine for a few days after that. I then drove it to work on Wednesday and after work it wouldn't start. The truck turns over like crazy but no fuel.
From what I can tell, the truck is not sending any signal to the lift pump. I also found that when the key is in the run position the instrument panel is not working properly.
I did plug in a Bullydog downloader into the truck at lunch that day and while configuring the truck it said 'unrecoverable error, please unplug'. I beleive the error code was ox7n or something very similar.
I seems as though the ecm is not sending the right signals?????
Is there any way to flash the ecm so it will reboot?
Very frustrated, I need the truck in a bad way.

Thanks in advance for all your help!
If there was a problem with the ECM reprogram, your ECM is likely filled with corrupted code and could cause all the problems you just identified. I'm not familiar with the BD protocol, but there's a process to recover the data. It usually involves removing a fuse in the distribution center for a certain amount of time. Look at BD's website and see if it has a manual or instructions to correct a corrupted/interrupted download.
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Glasshog
3rd Gen Engine and Drivetrain -> 2007 and up
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Jul 9, 2007 02:30 PM



