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Discussion Starter #1
My truck shutdown on me while driving and "no bus" came up on the odometer. I was able to get it running long enough to get it home and it's never started since. That was 4 months ago. The truck will crank but will not start. A scanner can't connect to the computer. The codes that come up on the odometer are 920, 921, and 999. I have since replaced the PCM, checked every wire connector, cleaned all grounds, and checked voltage. Nothing. I have found that all power is staying between the Battery and Fuse box. I can not, for the life of me, figure out why power is not being pushed out. I need some serious help with this No Bus code. I am tired of my truck being down.
 

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Red Trucker
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2,285 Posts
Not as familiar with the 2nd gen as I am the 3rd, but it sounds like the main lead to your electronics is fried. Hopefully this will help you:
 

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my 2001 did the same no bus thing long story short you will have to replace the p.c. m. on the firewall that will fix all your problems
 
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