Many Audi models (including the Audi A4) feature innovative technology to enhance your driving experience. This includes something known as an Electronic Power Control (EPC) system.
Not sure what the EPC does? It’s basically the brain of your vehicle, and if there’s something wrong with it, all kinds of things can start going wrong.
So, what does the EPC system do — and what does it mean when the “EPC” warning light comes on the Audi A4’s dashboard?
There are many potential causes of an EPC warning light, ranging from a low battery to a defective airflow sensor. In most cases, the issue is relatively easy to diagnose and fix.
Read on to find out more about Audi’s EPC system, how it works, and how to get to the bottom of what may be causing the EPC light to illuminate on the dash of your Audi A4.
More About Audi’s EPC System
Audi’s Electronic Power Control is a computerized system that is designed to maximize the efficiency and performance of the A4’s engine. Specifically, the EPC system helps to manage and optimize the vehicle’s stability control and cruise control.
When it’s working properly, you’ll never realize that the car’s EPC system is engaged. When this computerized system encounters problems, however, you will know because your vehicle will likely lose throttle power and a warning light will illuminate.
What Does the EPC Light Mean on an Audi A4?
If you notice your car’s EPC light on the dash, don’t be alarmed if there are other warning lights on as well. Because the EPC system works in conjunction with other vehicle systems, a problem with the EPC can trigger other warning lights to come on.
If you notice that your car’s throttle power is struggling after the EPC light comes on, you’ll want to get off the road as quickly and safely as possible. From there, have your vehicle towed to a service center for further diagnosis and repair.
If your car is still running smoothly, it is still recommended that you limit driving to your local mechanic or licensed Audi service center so you don’t do any further damage to the vehicle.
In most cases (as is explained in this YouTube video), an EPC warning light is caused by something as simple as a dead battery or a bad sensor. However, the only way to find out the exact cause is to have the problem code read by an OBD2 scanner.
You can have this code read at any dealer or mechanic. From there, you can have the necessary repairs done and be back on the road as soon as possible. However, it is important not to ignore this problem, as it can cause engine damage over time.
Is a Pre-Owned Audi A4 Right for You?
The Audi A4 is a popular choice due to its sporty performance and sleek, stylish design. If you’re considering a pre-owned A4 for your next vehicle purchase, be sure to check its Vehicle History to find out everything you need to know!
