Volkswagen EPC Light Car Shaking.

Volkswagen EPC Light Car Shaking: Here’s What You Need To Do| easy guide

You might have picked a Volkswagen for its distinctive look and durability. These cars are known for their longevity, practicality, affordability, and sleek design. But even these cars can face issues like the EPC warning light turning on. This light indicates a problem with the power control system in your Volkswagen. When this light turns on, your car may start to shake, suggesting an engine or related systems issue.

Shaking can occur for various reasons, such as a rough brake surface, faulty ignition coil, unbalanced tires, defective fuel injector, or problematic engine mount. Don’t worry! This article will clear your doubts about Volkswagen EPC Light Car Shaking. We’ll also help you understand what you should do when this happens while you’re driving or stranded.

What Does EPC Light Mean For VW?

EPC light is like an alarm bell in your car. It tells you something might be wrong with the engine power control system. This light only shows up in cars made by Volkswagen, Bentley, and Audi. This light turning on might indicate issues in various areas of your car. For example, the traction control, throttle body, or cruise control could be malfunctioning.

All these parts work together to make sure your vehicle runs smoothly. The EPC light turning on can suggest that these parts aren’t talking to each other right, or one may not be working correctly.

Symptoms Of The Volkswagen EPC Light Car Shaking

The EPC (Electronic Power Control) light turning on can indicate different things. It might be a minor issue like a sensor not working correctly. Or it could be something significant, like a problem with the throttle system. But with an expert checking it out, you might avoid a big problem hidden by everyday car issues. 

These can include your car stuttering occasionally or sparks not firing correctly. The spark plugs and ignition coils might be affected too, which could make your car use more fuel or idle unevenly – these events may look harmless but signal serious problems. 

EPC system works with other parts of your car to keep it running smoothly and safely. The Engine Control Unit (ECU) can identify issues with certain aspects of your car and limit the throttle to prevent further damage. This is about more than just a loss in performance! It’s also a safety concern. Ignoring it could lead to brake failure or steering issues.

An OBDII scanner is like a personal car doctor. This handy gadget identifies car issues and initiates an exact repair process. It links to your car’s EPC system, deciphers its intricate signals, and communicates the point via error codes. Even if you can’t have this high-tech tool at home, you can still use its advantages. Any good auto repair shop has this technology. They use these error codes as their manuals to fix the problems quickly and correctly. To get your car working well again, they completely remove all the problem codes.

What Is EPC Light In Volkswagen?

EPC light on Volkswagen cars like the Atlas and Jetta is linked to the throttle system. Its job is to warn you if something goes wrong with the throttle control system. This problem can affect how your car performs and its safety. When you see your EPC light turn on, your car must be checked immediately. 

The issue could be anything from a faulty sensor to problems with the stability control system. You should take your car to a VW-approved service center for a thorough check-up as soon as you can. Ignoring this warning could lead to serious mechanical failures or even accidents due to loss of vehicle control.

Is It OK To Drive With The EPC Light On?

If you see the EPC (Electronic Power Control) light on while driving, it might seem fine initially because your car still runs smoothly. But remember, this is a risky situation. Ignoring this blinking warning can harm your car’s engine over time. It doesn’t matter if the engine caused the light to come on; continuous strain will surely damage it. Cars like Volkswagen often enter a ‘limp mode’ when detecting problems crucial to functioning. 

This mode lets you drive your car to a limited extent to prevent more damage but reduces power in exchange. This safety feature is designed for something other than everyday use or to overlook the main problem. It’s like crutches; they’re good for short-term healing but can cause harm when misused. Knowing the importance and urgency of flashing EPC lights is crucial to maintaining your engine’s long-term health.

Causes For EPC Lightening

Your Volkswagen Jetta uses the EPC (Electronic Power Control) light to alert you about problems. This light signals issues with systems that manage engine power, like the throttle pedal, throttle body, traction control, or cruise control. When this light comes on, your car usually enters a protective state known as ‘limp mode.’ This mode reduces engine power to prevent further harm.

The problem causing the EPC light to come on could be small or big. It could be something as simple as a loose gas cap or a faulty sensor. On the other hand, it could also be something serious like a broken throttle body or significant transmission problems.

As soon as you see this light turn on, it’s important to have a professional check your car quickly. This can help prevent severe damage from happening. A diagnostic scan tool will help determine what is causing the problem and why the EPC light is on.

There are various possible reasons, such as

  • Problems related to timing errors.
  • Complications with fuel metering.
  • Exhaust system issues.
  • Malfunction of the engine speed sensor.
  • Potential problems with other sensors, including mass airflow sensor, crank or cam position sensor, and brake light switch.
  • Traction control complications.
  • Vehicle stability control issues.
  • Cruise control-related problems.
  • Difficulties with the throttle operation.

How Can I Fix EPC Warning Lights?

EPC warning light, or Electronic Power Control light, can impact many parts of your car’s performance. To fix this problem, you need to get an OBD1 or OBD2 scanner. After it’s set up correctly, you’ll use this tool to check your car for possible problems. The scanner finds error codes in the car’s control unit when the EPC light turns on. 

You should not only use a scanner but also examine your car closely. This will help you find any other issues that might cause the EPC warning light to turn on. This means making sure the rear and brake lights work right. You must also look at the throttle body for any dirt or carbon buildup that might be causing trouble.

Clean anything that doesn’t seem right using a special throttle body cleaner. After you’ve fixed all the problems and ensured everything is connected right, you can change any needed parts and finish setting up your car. The EPC light will automatically switch off once you complete all these steps.

How Do I Reset My VW EPC Light?

Ignoring the EPC light on your Volkswagen without fixing the root problem could lead to more significant issues later. The EPC system helps find and fix problems by giving codes to professionals. Pay attention to these codes to prevent damage from worsening over time. 

You can fix some issues yourself, given the right tools and knowledge. But, it’s usually better to get professional help for a complete check-up and repair. After fixing the issue correctly, the EPC warning light should turn off itself.


To sum up, Volkswagen EPC Light Car Shaking, Don’t ignore these warning signs if your Volkswagen’s EPC light illuminates and the car begin to shake. They indicate a potentially severe engine or throttle system issue requiring immediate attention. It is advisable to stop driving, as continuing could lead to further damage or an accident. Seek professional help immediately by contacting a certified Volkswagen mechanic or service center. Remember, staying safe while driving is essential. This means you should always make sure your car is working perfectly.


Can I still drive my Volkswagen if the EPC light comes on and it starts shaking?

It’s not advisable to keep driving when the EPC light appears and your car is shaking, as it might cause further damage to your vehicle.

Why is my car shaking along with the EPC light being on?

Your car might be shaking due to an engine misfire, which can trigger the EPC light. An immediate check-up is recommended.