Question about Cars & Trucks
I've had 01 dakota sitting for like 2yrs, I rebuild the engine, got it all back together, and I got a no bus and it won't start! All my fuses are good I tested them. Batterys good, and a brand new fuel pump. What should I do?
No Bus means the engine computer is not communicating with the body computer or the transmission control module.
I would check the power and connections for the engine computer first.
Posted on May 07, 2013
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Posted on Jan 02, 2017
SOURCE: 95 dakota cranks but wont start
Well I'm a chrysler master tech & this is a little odd. There's alot of things not in the question so here are mine. I'm assuming it's a 3.9 no 4wd. When did this happen? When you check for power do you have some one turn the key on while you check? If still no power then make sure all the fuses are good from the one under the hood to the one inside the cab. Next be sure to check the grounds. You'll need to by a manual like a Haynes in order to get a decent wiring diagram. In a worst case senario the main power box under the hood has an issue & the asd relay gets no power,hence no start. Ran into it on a 95 caravan & it took a week to figure it out & no replacement was available & I had to hard wire it so it would run. Hope this helps.
Posted on Jun 20, 2009
SOURCE: My fuel pump isnt getting
If the fuse and relays are good, then it is most likely a wiring problem.
First using a test light or meter, make sure you have power to the fuse when the ignition is on.
With help from someone, make sure the relay is engaging. This can be done by feel (should be a faint click when engaged) or with a meter.
From there, trace the wiring to the fuel pump.
Posted on Jul 01, 2011
Check fuses first, but could be needs new CPU
Posted on Jun 15, 2012
Testimonial: "Thanks for your help, we checked the fuses even swapped out the relays. The CPU was a thought but someone else tried it and it didn't work. Might still try it though. Is there any other symptoms that would indicate the CPU is bad? We changed out the ignition switch, 135.00, changed the CPS, 42.00. I hear the CPU is about 150.00. When we run the tester it comes back with no error codes."
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