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What is the lightning bolt on my Dodge Charger dash?

The lightning bolt on a Dodge Charger’s dash is typically a warning related to the vehicle’s electrical or charging system, such as the battery or alternator. If you see it, treat it as a caution and have the system checked promptly.


What the symbol means


The bolt icon is a general warning light that can indicate an electrical charging fault or related electrical issues within the Charger’s systems. Depending on the model year and trim, it may appear solo or alongside other warning indicators. Because symbol meanings can vary slightly between generations and configurations (including Charger variants with start-stop systems or performance packages), it’s best to consult your owner’s manual or contact a Dodge service professional for the exact interpretation for your car.


Common reasons the bolt might illuminate


The following list covers the typical causes you might encounter when a lightning bolt appears on the dashboard. If your vehicle shows this icon, these are the issues a technician will usually consider first.



  • Faulty or failing alternator (charging system not delivering enough power)


  • Loose, corroded, or disconnected battery terminals

  • Worn or slipping serpentine belt that drives the alternator

  • Electrical fuse or relay problem in the charging circuit

  • Parasitic draw from accessories or aftermarket devices draining the battery

  • Electrical sensor or PCM/ECU fault affecting charging controls


Not every display of the bolt means a catastrophic failure, but it does signal an electrical system that needs attention soon to avoid a breakdown.


What to do if you see the bolt light up


Before taking action, understand that the appropriate response depends on driving conditions. The steps below are designed to reduce risk and prepare you for a service visit.



  1. Safely pull over and turn off nonessential electrical loads (air conditioning, headlights, radio) to reduce load on the electrical system.

  2. Check for other warning lights (engine temperature, check engine, battery symbol) and note any symptoms like dimming lights, slow cranking, or warning chimes.

  3. Inspect battery connections if it’s safe to do so: ensure terminals are clean, tight, and free of corrosion.

  4. Restart the car. If the bolt remains on or the vehicle shows power or performance issues, avoid driving long distances and seek roadside assistance or a tow.

  5. Schedule a diagnostic check with a qualified shop or Dodge dealer to test the charging system (battery voltage with engine running, alternator output, and parasitic draw).


Driving with a persistent electrical warning can lead to a dead battery or other drivetrain problems, so prompt examination is recommended.


How technicians diagnose and service the issue


A technician will typically perform a combination of tests to pinpoint the problem and prevent recurrence. Common diagnostic steps include:



  • Measuring battery voltage with the engine off and the engine running (charging voltage should generally be around 13.8–14.5 volts when running).

  • Testing the alternator’s output under varying loads.

  • Inspecting belts, wiring, grounds, and battery terminals for wear or corrosion.

  • Using an OBD-II scanner to check for stored codes related to charging or electrical faults.

  • Checking for parasitic draws from accessories or aftermarket electronics.


After diagnosis, the technician will advise on whether the battery, alternator, wiring, or a different component needs replacement or repair.


Model-year and feature considerations


Because Dodge Charger generations span several years with different electrical architectures (including variations for performance models and start-stop technology), the exact meaning of a lightning bolt can shift. If your owner’s manual doesn’t clearly define the symbol, or if the bolt appears alongside unusual vehicle behavior (loss of power, warning chimes, or warning lights hopping around), contact a Dodge dealer or certified mechanic for a precise interpretation and service plan.


When to seek immediate help


Seek urgent assistance if the bolt appears while you are driving and you notice any of the following: engine stalling, loss of propulsion, rapidly dimming lights, a battery warning light, or the vehicle failing to start. In those cases, stop safely and arrange roadside assistance.


Summary


The lightning bolt on a Dodge Charger dash is a red flag for electrical or charging-system issues, most commonly involving the battery or alternator. While it can occasionally relate to startup-stop features or other electronics, it warrants prompt attention to avoid a breakdown. If you see the icon, monitor for accompanying symptoms, limit electrical load, and have the charging system tested by a qualified technician to determine the exact cause and necessary repairs.


Key takeaways


Always treat the bolt as a warning light; don’t ignore persistent illumination. Have the charging system checked sooner rather than later, especially if you notice dimming lights, slow engine cranking, or erratic performance. Consult your manual or a Dodge service center for the precise interpretation for your specific Charger model and year.

How to reset the red lightning bolt on the dash?


To reset the red lightning bolt on the dash, which indicates an electronic throttle control (ETC) issue, first try a simple relearn procedure by turning the ignition to the "on" position (without starting), fully pressing and slowly releasing the accelerator pedal, and then turning the car off and starting it again. If that doesn't work, a battery disconnect or using an OBD-II scanner may be necessary to clear the codes and reset the system.
 
This video demonstrates how to perform the electronic throttle control system reset: 51sPeter LYouTube · May 19, 2023
Method 1: Throttle body relearn procedure 

  1. Insert the key into the ignition and turn it to the "ON" position, but do not start the engine. 
  2. Wait for about 10 seconds or until the dashboard lights stop flashing or the check engine light goes out. 
  3. Slowly press the accelerator pedal all the way to the floor. 
  4. Slowly release the accelerator pedal until it is back at the rest position. 
  5. Turn the ignition key to the "OFF" position. 
  6. Start the engine. The light should be reset. It may need further driving for the system to fully relearn. 

You can also watch this video to see the relearn process with a Dodge Avenger: 1mRC InsidersYouTube · Jul 18, 2023
Method 2: Disconnect the battery 
  1. Locate and disconnect the negative (black) terminal of the car battery. 
  2. Wait for at least 10 minutes to allow the system to fully reset. 
  3. Reconnect the negative terminal securely. 
  4. Start the car. The system should be reset. You may need to let it idle for a while to properly reset the idle and throttle position. 

Method 3: Use an OBD-II scanner 
  1. Connect an OBD-II scanner to the vehicle's diagnostic port. 
  2. Use the scanner to read the error codes that are causing the lightning bolt light to appear. 
  3. Follow the instructions on the scanner to clear the codes. 

Before you begin
  • The red lightning bolt light indicates a problem with the electronic throttle control (ETC) system, which could be caused by a faulty throttle body, a loose connection, or a bad sensor. 
  • If the light comes back on after attempting a reset, it's best to have the vehicle inspected by a mechanic to diagnose and fix the underlying issue. 
  • If you have recently replaced the throttle body or had another repair done, a relearn procedure is often necessary. 

This video explains what causes the red lightning bolt light and how to fix it: 1mMore AutomotiveYouTube · May 30, 2024



What does it mean when the lightning bolt warning light?


A lightning bolt warning light indicates a problem with the electronic throttle control (ETC) system. This system electronically controls the engine's throttle, and when the light appears, it means there could be an issue with a sensor, the throttle body itself, or the wiring connecting them. It is a serious warning, and you should have your vehicle inspected by a mechanic to prevent potential driving hazards and further damage. 
This video explains what the lightning bolt warning light means and the potential causes: 58sWeatherWatchdogYouTube · Jan 30, 2025
What it means

  • Electronic throttle control: The ETC system replaces a physical cable from the gas pedal to the engine with electronic sensors and actuators. 
  • Warning sign: The light illuminates when the system detects a fault, such as a dirty throttle body, a bad sensor, or a wiring problem. 
  • Potential symptoms: You may experience issues like hesitation or poor acceleration, rough idling, decreased power, or the car entering "limp mode". 

What to do
  • Safely pull over and restart: As a first step, you can try to safely pull over and turn the car off and on again to see if the light clears. A minor glitch can sometimes be reset this way. 
  • Check for immediate issues: Pay attention to how the car is performing. If you notice any of the symptoms listed above, it's a strong indicator of a problem. 
  • Consult your owner's manual: The manual may provide specific information for your vehicle's make and model. 
  • Seek professional help: If the light comes back on or remains on, do not ignore it. Drive to a mechanic or have the vehicle towed. Driving with a faulty ETC system can be dangerous and may cause further damage to the engine. 



What is the lightning bolt symbol on a Dodge Charger?


Electronic Throttle Control Warning: A lightning bolt between two brackets lights up when there's an issue with the Electronic Throttle Control (ETC). Engine Temperature Warning: A light that looks like a thermometer partially submerged in water appears if your engine overheats.



Is electronic throttle control warning bad on Dodge Charger?


ETC light (Electronic Throttle Control). When that light comes on, it means that there's a problem with the vehicles fuel and air intake. When the light comes on, you'll notice a loss in power, because the car goes into ``limp mode'' to protect the engine from internal damage.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.