For diesel engines, the wait-to-start light shows that the engine is functioning properly and indicates when the engine can be started.
The fast warm-up glow plug system makes the wait-to-start light stay on for a shorter amount of time than most diesel engines.
For more information, see Starting the Engine.
Crankshaft Position System Variation Learn Engine Block Cylinder Block Crankshaft
Note:The Crankshaft Position Variation Learn procedure is also required when the followingservice procedures have been performed, regardless of whether DTC-P0315 is set:An engine replacementAn engine control module (ECM) or body control module (BCM) replacementA crankshaft balancer replacementA cran ...