Question

I got the engine code P0315 on my 2012 Chevrolet Avalanche. The truck runs fine but gets the code for a crankshaft sensor. What should I look for? The code comes back as soon as it is reset.

Answer 1

P0315 crank variation relearn

You need a scan tool to do the CKP relearn value, it needs to learn the system variation,

Answer 2

P0315 Chevrolet Code - Crankshaft Position System Variation Not Learned
Read more: https://www.autocodes.com/p0315_chevrolet.html