The red lightning bolt with two vertical bars on each side? 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. If you see this light it indicates there’s a problem with that particular system. 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. Ive seen the red bolt a few times- it is a throttle position issue I think. Today, the red Lightning Bolt-looking light came on, as well as my Check Engine light? Red Lightning Bolt Light in my 2007 Jeep Liberty? The car would hesitate from time to time but otherwise drive fine. 2008 3.8 JKU check engine and red lightning bolt I had the same issue. 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. Could be your first sign of alternator failure. K, so yesterday my jeep wouldn't start. Got it home after another jump. A few weeks ago the lightning bolt light started coming on in out 2012 200. 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? My Jeep compass dashboard shows a red lightning bolt in the mornings. While driving, the red lightning bolt light (electronic throttle control system) and a check engine light came on. The lightning bolt warning light alerts you to a fault in the electronic throttle control system in your vehicle. -Check engine light was on-Temperature gauge would hover between bottom and middle.-After driving a while, the red lightning bolt would come on when temperature gauge hit complete bottom I added antifreeze first. It's an electrical warning light, relating to alternator charge drop. 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. Then I changed the thermostat. The weather is cold in the mornings and I was wondering if this is something I need to be concerned about ? While this doesn’t mean that you need to pull over immediately, you should still get this checked out by your mechanic. 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. The code is P2181. It ran perfectly the day before. Red lightning bolt symbol on, no check engine light, car has problems on first few starts 23 Answers. The lightning bolt warning light is your Electronic Throttle Control, or ETC, Warning Light. This did not solve the problem. The coolant tank was visibly near empty. Get the sucker diagnosed at your local alternator shoppe. My car has issues specifically in the morning when it is cold and when it's a "cold start". 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. Posted by Matthew Reed on Jan 16, 2019 I can add more pics later to clarify. If you do experience alternator failure, you might have 5-10 minutes of driving on your deep cycle. Temperature gauge did not move entire trip. Got to the beach and surfed, went to leave and same thing. I took some pictures from under the front, looking up to locate the leak. I had codes P2135 - Throttle/pedal position sensor/switch and P0221 Throttle/pedal position switch B. Stop/Start System Warning Lamp is different than a Start Light. But now that you've looked it up and told us what it is, the Stop/Start System will be disabled for just about any kind of drivetrain or electrical problem and then light the warning light to indicate it's disabled, so likely the Stop/Start System Warning Lamp is just a side-effect of whatever is your main issue.