SES Light And P0300 DTC After Crankshaft Or Engine Replacement - keywords can cylinders feel L91 no not P0301 P0302 P0303 P0304 repair

This PI was superseded to advise that it may be necessary to hold the battery cables together for as long as 15 minutes. Please discard PIP4284.

The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

A SES light may be experienced shortly after crankshaft or engine replacement due to DTCs P0300-P0304 and false engine misfires that count on paired cylinders, such as cylinders 1 and 4, or 2 and 3.

If this concern is experienced, perform the following suggestions and re-evaluate the concern (even if a CKP variation learn was performed during the previous repairs):

1. Disconnect both battery cables.
2. Hold both battery cables together for up to 15 minutes. Typically, it should only be necessary to hold the cables together for about 1 minute but in some rare instances, it may be necessary to hold the cables together for as long as 15 minutes.
3. Reconnect both battery cables.
4. Perform a CKP variation learn with the Tech 2.

Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.