Vortec MAX Posted May 18, 2008 Report Posted May 18, 2008 (edited) Yesterday, my truck threw a P0315 code for no apparent reason. It means the crankshaft position (CKP) system variation not learned. Anyway, I am really stupid when it comes to this stuff, but I do own HPTuners. It has a feature called CASE Learn. Is this what I need to fix this problem? I need to verify I am doing the right thing before I potentially mess something else up Any help here will be greatly appreciated. Mike Edited May 18, 2008 by Vortec MAX (see edit history) Quote
Vortec MAX Posted May 18, 2008 Author Report Posted May 18, 2008 Well, I tried it and it worked. The check engine light is gone and the code is cleared. So if anyone else looks this up, they will know it works. Mike Quote
Helo Posted May 21, 2008 Report Posted May 21, 2008 Same thing happened to me when I put in the new pcm. You just basicly did a crank shaft relearn that I had to pay to get done but its was only 15 bucks for me at the dealer.(nice haveing buddies there) Quote
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