The engine control unit (ECU) failing can also be a cause, which will severely diminish engine performance and efficiency, or cause complete engine failure. In terms of catastrophes, it may mean the brake control unit has failed, for example, on your Volkswagen Tiguan. On the mild side of things, an EPC light may mean your cruise control has malfunctioned. Issues can range from mild to catastrophic. That's because the EPC light involves most computerized systems - which are plentiful on a modern vehicle. As a general rule, take the Volkswagen EPC light as an indicator to have the vehicle inspected further at an authorized VW service center. This can be anything from the traction control to the throttle system. Unlike warning lights with a clear area of trouble, an EPC light can involve various systems and parts. To start with, EPC stands for "Electronic Power Control." What this fully means is a bit more complicated, though. ![]() At our Volkswagen service center in Kennesaw, GA, we're proud to have a team of expert certified technicians and offer friendly customer service that'll ease your mind as you wait. No matter the warning light you're facing on your dashboard, we'll help you understand and fix any issues. This also means when a malfunction does occur, a barrage of warning lights needs deciphering. ![]() It seems that every year cars get more and more complicated, with far too many systems and sensors to keep track of. Understanding these lights can be hard - we get it. One moment you're driving along the next moment, you're worrying about an entire rap sheet of potential issues. If you found this post helpful, remember to bookmark the Trend Motors Blog for all our latest tips.It's never fun to experience a sudden error or warning like a Volkswagen EPC light. We won’t go into full details on what each of the below lights mean, but below each image is a brief description for those lights that don’t exactly speak for themselves. Other Volkswagen Dashboard warning lights Check the thermostat to see if it’s reading hot, or pull over and pop the hood if you’re unsure. An overheating engine is one that can start on fire, and this is one instance when you should definitely pull over. While they don’t need to be changed often, it’s important that you do to avoid misfiring.Įngine Overheating: There’s warnings, and then there’s an emergency. Worn Spark Plugs: In gasoline engines, these little babies are responsible for firing up your vehicle. Whether it’s faulty, or just really dirty, it can send out an incorrect reading and trigger your sensor.Ĭatalytic Converter: Your catalytic converter is responsible for converting carbon monoxide into carbon dioxide, and a faulty one not only causes pollution, but reduces performance and fuel economy. Tighten that thing up.įaulty Oxygen Sensor: Your check engine light is triggered by some sort of emissions issue, and this is a common culprit. Gas Cap: We kid you not, a loose or damaged gas cap can trigger one of the scariest lights in your gauge cluster. These are the most common reasons why a VW check engine light comes on, but there are many more. There’s a good chance it’s safe to continue driving, but there are some instances when you’ll definitely want to pull over. If the light comes on while you’re driving, turn off the radio so you can listen to your car. Read More: Pairing a cellphone with VW App-Connect The first thing to note is the color of the check engine light is yellow, a color used to indicate a warning rather than an emergency. There are a variety of reasons for a check engine light to come on, which is why it tends to pop up more frequently than other lights, which tend to be very specific. To provide some reassurance, we’re looking at the Volkswagen check engine eight and other warning lights, and what they mean for you. Even if you aren’t an expert on cars, you likely know how important the engine is, and it can be a bit disconcerting when that little symbol pop up in your gauge cluster. It seems like the most common light any driver ends up seeing, aside from the simple ones that let you know cruise control is activated or your lights are turned on, is the check engine light. Volkswagen Check Engine Light and other warning lights
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