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What is code P0315.....?

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Old 05-15-2004, 04:47 AM
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Default What is code P0315.....?

Not sure what this code means
P0315 Crankshaft Position (CKP) System Variation Not Learned. I tried removing it with autotap and it will not remove the code. Any ideas?


Here is a good site for defining codes
Http://www.automotiveforums.com/t95876.html
Old 05-15-2004, 07:00 AM
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did you just install the tune or another pcm. if so you will need to do a relearn procedure for it.
http://www.nelsonperformance.com/faqs/passkey.htm
Old 05-15-2004, 07:00 AM
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Dont go to the above site there is a trojan virusautomotiveforums
Old 05-15-2004, 07:01 AM
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man thanks i was just about to go there.
Old 05-15-2004, 02:24 PM
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Originally Posted by 02denali
did you just install the tune or another pcm. if so you will need to do a relearn procedure for it.
http://www.nelsonperformance.com/faqs/passkey.htm
Not a passkey problem, its a Crankshaft Position (CKP) System Variation Not Learned. Just dont know how to correct it. unless this procdure corrects this too?

EDIT: Nelson pcm has been installed for just about 2 months, and now im getting this code.
Old 05-15-2004, 02:34 PM
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Originally Posted by JERRY2500
Dont go to the above site there is a trojan virusautomotiveforums
This is just a nuisance Virus. Has no impact on your computer what so ever.
Old 05-15-2004, 02:45 PM
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EFIlive has a crankshaft position relearn program,you basicly clear all engine codes and follow the instructions on the screen.That takes care of the problem.Or you can go to someone with a Tech tool to do the samething.
Old 05-15-2004, 02:47 PM
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Originally Posted by whitt1
EFIlive has a crankshaft position relearn program,you basicly clear all engine codes and follow the instructions on the screen.That takes care of the problem.Or you can go to someone with a Tech tool to do the samething.
I dont have EFI live. Will my AT1 cable from autotap with with efi live? How about a PCM reset?
Old 07-02-2004, 01:24 AM
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Originally Posted by whitt1
EFIlive has a crankshaft position relearn program,you basicly clear all engine codes and follow the instructions on the screen.That takes care of the problem.Or you can go to someone with a Tech tool to do the samething.
Would the dealership have to do this? What other shops would have this tech tool? I got the 0315 code after picking my truck up from the tranny shop....
Old 07-02-2004, 05:02 PM
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Most likely the dealership will have to do this with their TECH II.


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