P1336 Chevrolet - ckp malfunction dtc is cleared but the 1336 an po300 are still existing

Question

I have shimmed and cleared the CKP sensor A circut malfunction dtc but the 1336 an po300 are still existing, do i need to run the crankshaft relearn program with the scantool ?

Answer 1

P1336 Crank / Cam sensor range / performance

P1336 can code up if there is excessive clearance to the CKP. it needs to see the reluctor at a set distance.this can be a false code.