Bulb Check
WARNING: This page is about a different car, the 2014 RAM ProMaster 3500, 2014 RAM ProMaster 2500, and 2014 RAM ProMaster 1500. However, it is still accessible from the selected car via links, so may be relevant.
Key on: Bulb illuminated until vehicle starts, as long as all once per trip (readiness) monitors completed. If monitors have not been completed, then: Key on: bulb check for approximately 14 seconds, lamp then flashes (once per second) for approximately 11 seconds, then MIL remains illuminated until vehicle is started.