2013 versa won't start after changing radiator fan - Nissan Versa Forums
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post #1 of 24 Old 07-05-2017, 02:43 AM Thread Starter
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2013 versa won't start after changing radiator fan

So I changed my wife's radiator fan today and the only thing I unplugged was the 2 radiator plugs. Installed the new one and now car won't start. Has power but won't start. There up these codes
p0963,p0967,p0999, p099c
They are all pressure related.

Someone had the same exact problem as me awhile back in a post I saw but no one ever answered him.

Any help is greatly appreciated! Thanks!
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post #2 of 24 Old 07-05-2017, 06:00 AM
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https://www.nissanversaforums.com/gen...ont-start.html

I note he says he had to pull the TCM but you make no mention of that..................................hhhmmmmmmmm. The codes seem to concern that TCM, was the battery disconnected during the work? May have fried something.........did you plug the TCM back in? If the TCM contains any neutral start switch circuiting the car of course won't start.

Last edited by amc49; 07-05-2017 at 06:15 AM.
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post #3 of 24 Old 07-05-2017, 02:35 PM
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First check all of your fuses and connectors, if everything checks out move on to the TCM.
My understanding is that the TCM has internal power and will not reset by disconnecting the battery. Try re-setting the codes with a scanner that has access to the TCM, I've seen the TCM block the car from starting, although it's usually from communication codes.
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post #4 of 24 Old 07-05-2017, 06:21 PM Thread Starter
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Ok so I checked all fuses and everything's good. I erased the codes with my scanner but still won't start. It just does one click and that's it.
And I did not disconnect the battery before I unplugged the radiator fan. Will that cause something to short?
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post #5 of 24 Old 07-05-2017, 08:41 PM
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Well, it's probably too good to be true, but did you check key?
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post #6 of 24 Old 07-05-2017, 09:03 PM
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So your starter solenoid is clicking? If so double check the battery terminals, if the're good check the positive to starter. If you're getting start signal but no crank it's power/ground/starter. ECM/TCM issues are either crank/signal or crank/no start.
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post #7 of 24 Old 07-05-2017, 09:44 PM Thread Starter
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I wish it was the key. Clicker on it still works.
I checked starter and it is getting power but when I turn the key nothing happens. no clicking at all.
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post #8 of 24 Old 07-05-2017, 11:34 PM
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Does your scanner have access to the TCM?
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post #9 of 24 Old 07-07-2017, 10:05 PM Thread Starter
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As far as I can tell the scanner only pulls the codes. What kind of access to the TCM are you talking about?
I installed the old radiator fan in hopes something was faulty with the fan but I'm getting the same thing.
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post #10 of 24 Old 07-08-2017, 01:35 AM
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Your generic code reader will only read/erase the ECM. A proper scanner will scan/erase the TCM. I've seen cases where TCM codes will prevent the car from cranking, once cleared the car will start.
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