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. This did not solve the problem. The lightning bolt warning light alerts you to a fault in the electronic throttle control system in your vehicle. It ran perfectly the day before. The coolant tank was visibly near empty. My Jeep compass dashboard shows a red lightning bolt in the mornings. -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. The car would hesitate from time to time but otherwise drive fine. The lightning bolt warning light is your Electronic Throttle Control, or ETC, Warning Light. A few weeks ago the lightning bolt light started coming on in out 2012 200. The code is P2181. 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. 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. It's an electrical warning light, relating to alternator charge drop. Stop/Start System Warning Lamp is different than a Start Light. 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. 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? Posted by Matthew Reed on Jan 16, 2019 Then I changed the thermostat. 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. 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. I took some pictures from under the front, looking up to locate the leak. Get the sucker diagnosed at your local alternator shoppe. Red Lightning Bolt Light in my 2007 Jeep Liberty? If you see this light it indicates there’s a problem with that particular system. Today, the red Lightning Bolt-looking light came on, as well as my Check Engine light? While this doesn’t mean that you need to pull over immediately, you should still get this checked out by your mechanic. I can add more pics later to clarify. Red lightning bolt symbol on, no check engine light, car has problems on first few starts 23 Answers. My car has issues specifically in the morning when it is cold and when it's a "cold start". 2008 3.8 JKU check engine and red lightning bolt I had the same issue. Got to the beach and surfed, went to leave and same thing. It came up with a red lightning bolt light on the dash and a check engine light as well. The weather is cold in the mornings and I was wondering if this is something I need to be concerned about ? The red lightning bolt with two vertical bars on each side? 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. Ive seen the red bolt a few times- it is a throttle position issue I think. Got a jump off another car cause I thought the battery was dead. Could be your first sign of alternator failure. Got it home after another jump. While driving, the red lightning bolt light (electronic throttle control system) and a check engine light came on. K, so yesterday my jeep wouldn't start.