Then last week the check engine light and lightning bolt light came on again and the car went into limp mode and wouldn't go any higher than idle. My car has issues specifically in the morning when it is cold and when it's a "cold start". K, so yesterday my jeep wouldn't start. It's an electrical warning light, relating to alternator charge drop. While this doesn’t mean that you need to pull over immediately, you should still get this checked out by your mechanic. My Jeep compass dashboard shows a red lightning bolt in the mornings. If you do experience alternator failure, you might have 5-10 minutes of driving on your deep cycle. This may be a faulty throttle body, the throttle body sensor or possibly the throttle body control motor which is what controls the opening and closing of the throttle body as the motor requires more fuel. The weather is cold in the mornings and I was wondering if this is something I need to be concerned about ? It ran perfectly the day before. Red Lightning Bolt Light in my 2007 Jeep Liberty? Jeep Wrangler What is a red lighting bolt with in ( ) The - Answered by a verified Jeep Mechanic We use cookies to give you the best possible experience on our website. While driving, the red lightning bolt light (electronic throttle control system) and a check engine light came on. The car would hesitate from time to time but otherwise drive fine. Red lightning bolt symbol on, no check engine light, car has problems on first few starts 23 Answers. Get the sucker diagnosed at your local alternator shoppe. The problem just went away... My buddies jeep is a different story, he installed the Sprint booster and it mashed a couple of the pins- he was in limp mode for good. This did not solve the problem. 2008 3.8 JKU check engine and red lightning bolt I had the same issue. I had codes P2135 - Throttle/pedal position sensor/switch and P0221 Throttle/pedal position switch B. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Got a jump off another car cause I thought the battery was dead. It came up with a red lightning bolt light on the dash and a check engine light as well. I also noticed that when i started my jeep back up later on in the night and drove it around, the engine was not warming up, or at least the gauge wasn't moving? Then I changed the thermostat. Could be your first sign of alternator failure. A few weeks ago the lightning bolt light started coming on in out 2012 200. I took some pictures from under the front, looking up to locate the leak. Got to the beach and surfed, went to leave and same thing. The lightning bolt warning light alerts you to a fault in the electronic throttle control system in your vehicle. Stop/Start System Warning Lamp is different than a Start Light. Ive seen the red bolt a few times- it is a throttle position issue I think. The code is P2181. The lightning bolt warning light is your Electronic Throttle Control, or ETC, Warning Light. If you see this light it indicates there’s a problem with that particular system. Temperature gauge did not move entire trip. Posted by Matthew Reed on Jan 16, 2019 Got it home after another jump. The coolant tank was visibly near empty. Today, the red Lightning Bolt-looking light came on, as well as my Check Engine light? 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