Check Engine Light / Lightning bolt Light

Asked by Jun 20, 2016 at 01:55 AM about the 2012 Ram 1500 Sport Crew Cab 4WD

Question type: General

Before i start the truck (on mode) the Check engine light & the lightning bolt
light stay on , as soon as i turn the truck on start they both turn off??????

2 Answers

86,895

And you want to know if it is normal? Yes it is, as long as after the engine is running they go out and stay out there is no problem. When you first turn the key on the system does a quick check on most of the vital systems and waits for you to start the engine to complete the test, if nothing is found during the quick test those light will go out, but if some pops up the warning light will turn on.

40,455

My 2014 Ram 5.7 4x4 does this also. It is normal.

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