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2nd Gen Ram Tech 1994-2001 Rams: This section is for TECHNICAL discussions only, that involve the 1994 through 2001 Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.

Big problems "no bus"

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Old 05-12-2013, 01:33 PM
TraceB TraceB is offline
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Default Big problems "no bus"

I've had the no bus issue for about two months now. It will drive fine but as soon as it Gets up to temptature it just locks up, dies, and refuses to start. I've tried doing what the other threads say to do but do so far nothing has worked. It was with a mechanic for a couple weeks and he thought it was the coil packs and he replaced them. I drove it halfway home and pushed the rest... I'm graduating high school soon and am planning on getting rid of the truck, at this point I'm hoping its anything other than the PCM. Does anyone have any suggestions on what might be going on? Truck is a 2000 5.9 4x2
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Old 05-12-2013, 02:04 PM
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abdodge1500 abdodge1500 is offline
Join Date: Feb 2013
Vehicle: 2000 Dodge Ram 1500 Sport 5.9L RCSB 4X2
Location: Lake Mary, Florida
Posts: 202

my truck is having the same issue right now but not to the point that it shuts off, it had been throwing no bus at me on and off for about a week so I posted on this forum (http://dodgeforum.com/forum/2nd-gen-...-go-again.html) here's the link. I took it to the dealer, they scanned it and said a wire running into the PCM got wet from rain water due to the fact that the seal on the cowl that prevents water from doing this was missing, so they are replacing the wire and seal right now and I hope that fixes it
2000 Dodge Ram 1500 Sport 5.9L ,Auto, RCSB 2WD 3.55 gears, 31in Falken all terrains, leveling kit, Flowmaster Super 44 muffler,30% tint, stock air intake
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Old 05-12-2013, 08:03 PM
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dhvaughan dhvaughan is offline
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Vehicle: 01 1500 4wd
Location: Gainesville, Ga.
Posts: 12,207

trace - when the truck gets the "no bus" combined with shutting off, it might be the crank position sensor. i don't know why, but a lot of people seem to have problems with aftermarket crank sensors. so - if you can afford it, just get one from the dealer, or an oem one from the junkyard.

there's some very good, very old threads about no bus from ... i can't remember... a dodge tech from a long time ago.
he said - when it was showing a no bus - to unplug all the sensors and see if it would go away. then plug them back in one at a time and see which one triggered the problem.

RABBLER - http://dodgeforum.com/forum/2nd-gen-...-bus-mean.html
01 1500 Reg Cab 4wd 5.2 auto 3.55 285/75/16 steps tow hooks sc3815 180 3923 trans cooler filter posilok powertrax (removed) timbren britebox pioneer head rockford amp speaker cobra cb firestick hughes plenum water pump timing chain oil pump rear main hub bearings brakes shocks cracked dash cad bushings seals ujoints trackbar tcase Robert Griffin Trans

Last edited by dhvaughan; 05-12-2013 at 08:09 PM..
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Old 05-13-2013, 10:55 PM
TraceB TraceB is offline
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Join Date: Sep 2011
Posts: 7

Well I replaced the crank sensor, now it only idles for about ten seconds, backfires, and dies. No codes or check engine lights.
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Old 05-13-2013, 10:55 PM

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