Regularly cleaning the component can protect you from having the issue. Visual inspection is highly recommended to ensure there’s no obstruction bothering the part opening and close as it’s supposed to be. The component can be dirty, but it’s definitely not good when it blocks or damages the system.Ī damaged throttle body also makes the car accelerate without hitting the gas. Stuck Throttle BodyĪ stuck throttle body may be the reason why you have the alert. Turn on the headlights, radio, etc., to ensure the electrical system works properly. You need to find out the loose connection, broken wires, or faulty fuse box and fix it to bring the system back to normal again. If you have experience, you can inspect the system by yourself. Damaged Electrical Systemĭamage to the electrical system, such as grounding or wiring happening in the car’s major circuit, may be a reason for the lightning light on the dash. These problems usually require a professional inspection. There’s a chance that the dashboard cannot read the data or has lines crossing it. The electronic issue leading to the light illuminating also can be the dashboard itself. It can be the communication issue with the engine control module (ECM), so the system struggles to regulate the engine speed and open the throttle.Īnother problem is the shorted circuit in one of the sensor inputs, affecting the signal wires and resulting in a car light with the lightning bolt. The electronic throttle control red lightning bolt on the dash indicates several problems. The ECU doesn’t understand what timing ratios and ideal fuel to adjust, thus, lightning light on the dashboard. In this case, the throttle body position sensor fails to tell the computer its current position, leading to a malfunctioning system. One of the most common reasons for the lightning bolt light on the dashboard is the faulty throttle control sensor.Īs mentioned above, since the system works based on the sensor, the other parts can’t work well and cause some issues if it goes wrong. Plus, check the electrical system for any damage, such as broken or loose connection, that possibly causes the issue. The faulty throttle control sensor is the main reason for the red lightning bolt on the dashboard.īesides, if you have a dirty throttle body or electronic throttle control issues, you are likely to experience the red light illuminating as well. What Are To Causes Problem Of Red Lightning Bolt On Car What Causes The Issue Of Red Lightning Bolt On Car? The symbol shows that the two components are not connected as they are supposed to be, and there might be a need to restart. Sometimes, this communication can be lost and shown as a defect in the system through a red bolt on the dashboard. What Does A Red Lightning Bolt Mean On A Car?ĮTC is a system based on sensors to maintain the connection with the gas pedal and throttle. It has a sensor-based mechanism that can measure your input pressure and send the information to the motor to open the throttle accordingly. That’s why the ETC system started to be popular in modern cars in the 1990s. However, this method is said to be high fuel consumption. The part will open according to the pressure the driver applies on the pedal. This system is not available in old cars where people use the cable to connect the throttle to the gas pedal. What is the red lightning bolt on my dash? When you see this signal, you should consider a possible issue with the Electronic Throttle Control (ETC). You may even see multiple warning lights on the dashboard at the same time. There are many dash warning lights, and each blinking indicates one problem. Red Lightning Symbol On Dashboard What Is Electronic Throttle Control?
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