VW EPC Light Car Shaking: What You Need to Know
One or more dashboard lights may appear while driving your VW vehicle. At the same time, you may feel that the car is shaking while driving.
As a result, if this occurs to you and you are unfamiliar with the meaning of the lights, you will need to determine what was wrong with your car. The article addresses the shaking of VW EPC light vehicles. Stay with us through the end.
Table of Contents
- What does EPC light mean for VW?
- Symptoms Of The EPC Lightening.
- Causes For EPC Lightening
- How Can I Fix EPC Warning Lights?
- How Do I Reset My VW EPC Light?
- Some related FAQs.
What does EPC light mean for VW?
EPC stands for “Electronic Power Control.” But the full significance of this is a little more nuanced. An EPC light can involve multiple systems and parts, unlike warning lights with a clear area of trouble. This could be the throttle system or the traction control.
What Is EPC in cars?
The electronic controls for automotive systems are becoming more complex every year. Sensors and processors control the transmission, engine systems, braking, and even the suspension, improving reliability and safety but necessitating frequent maintenance.
The EPC light primarily monitors the fuel injection system in your car, but it can also signal other issues. We will describe the meaning of the Volkswagen EPC light and what to do if it is on.
What is EPC Light in Volkswagen?
The electronic power control light is connected to the throttle system in Volkswagen cars like the Atlas and Jetta. The EPC light may come on if your Volkswagen has issues with the throttle system. Let you know so you can get the repair and care it needs.
The electronic stability program in your Volkswagen could malfunction and set off the EPC light. As a general rule, the Volkswagen EPC light indicates that the car needs to be checked further at an authorized VW service center.
Symptoms Of The EPC Lightening.
The EPC light comes on when something goes wrong with the engine or a few other related parts. When this occurs, the ECU restricts the use of the throttle to limit further harm.
Since the EPC also keeps an eye on numerous other systems, a few other warning lights might also illuminate. Since the engine is not fully functional, the ‘Check Engine Light is the most typical.
Additionally, the ECU can turn off the stability and cruise control systems, causing the corresponding dashboard lights to illuminate. Other warning systems include the steering wheel and ABS sensors. In serious conditions, the cause of this light might be a broken throttle body, brake pedal, or power steering.
The only way to identify the problem’s source is to check with an OBDII scanner. Take your car to a repair center if you don’t have a scanner at home. The mechanics will connect the scanner to the EPC system to identify the trouble code.
They will then carry out the required repairs under the code’s reference. Then, the troublesome code needs to be removed to restore things to normal.
Causes For EPC Lightening
An EPC code on a Volkswagen Jetta, like a Check Engine light, can be a general caution or a sign of something more serious. A trouble code, or EPC code in the case of Volkswagen vehicles, is stored in the computer when the drivetrain computer detects a reading outside the normal range for a system.
In this case, the EPC sensor provided information to the computer that prompted the computer to enter limp-in mode on the vehicle.
Possible causes include:
- Malfunctions in the timing, fuel metering, or emissions systems
- Malfunctioning engine speed sensor
- Issues with other sensors, including the mass airflow sensor, the crank or cam position sensor, and even the brake light switch
- Issues with the traction control
- Issues with the vehicle stability control
- Cruise control problems
- Problems with the throttle
Years ago, cables connected the throttle to the accelerator and cruise control. The term “drive-by-wire” used to describe modern systems paradoxically implies that wires are no longer necessary. The throttle and gas pedal communicate wirelessly, and sensors wirelessly and in real-time transmit their status and positions to the drivetrain computer.
How Can I Fix EPC Warning Lights?
Many aspects of the car’s functionality are impacted when the EPC warning light illuminates. Follow these steps to find a solution to this issue.
The first thing you need is OBD1 and OBD2 scanner equipment. After that, all that is left is to put the device in the car and scan it. When the EPC Warning light illuminates, several trouble codes are stored in the control unit and visible on the scanner.
Second, conduct a physical examination of any additional damages that might turn on the EPC warning light. The brake light and the rear light need to be checked, too. Before moving forward, make sure they are all in working order.
The next step is to inspect the car’s throttle body for dirt, debris, or carbon buildup. You must clean them out if you spot any of these. A throttle body cleaner will help in thorough cleaning. Make sure all connections are made properly, as well.
When the investigations are complete, fix the issues and replace anything that needs to be replaced. When these are finished, the EPC light will automatically turn off.
How Do I Reset My VW EPC Light?
Numerous methods exist for resetting the EPC light on different Volkswagen vehicle generations. We would advise against doing this until the issue that caused the EPC light has been identified and fixed.
These systems are made to remove much of the guesswork and deduction from technicians’ diagnosis and repair, whether it be a Volkswagen EPC light or a Check Engine light on a vehicle of a different make.
A tool is available that can quickly access the code that initially sets off the EPC light. The technician can locate the problematic component or system and perform a repair after deciphering the code and reading between the lines. Some issues can be fixed by yourself as well. So, when you fix the problem yourself or with a technician’s support, the EPC warning light will turn off.
What to do when the EPC light comes on?
When you detect the EPC light on your Volkswagen, you should quickly check the issue with your vehicle. You can identify the problem by yourself or with a technician’s support. You can follow the above guidance to identify the problem of the EPC light turning on.
VW EPC light rough idle
There are a few reasons to make your vehicle idle. Idle speed needs adjusting, dirty fuel filter, malfunctioning fuel pump, Malfunctioning fuel pump, worn out spark plugs, clogged fuel injectors, and dysfunctional or loose distributor cap.
The above issues may cause you to turn on the EPC light while you experience a rough idle. You can check the above issues and fix them to eliminate the VW EPC light.
Some related FAQs.
Can I drive a Shaking Volkswagen Car With an EPC Light On?
Driving is still feasible with the EPC warning light on. It is not suggested, though, as the engine will suffer serious harm. Call your expert or mechanic anytime you notice this light. Come on to get a quick fix.
How much will it cost to fix the EPC light on VW?
It may cost around $100 to $400. It always depends on the issue’s nature and your chosen technical service.
Is EPC light dangerous?
EPC light is not dangerous. It is to indicate and inform you about a significant issue with your vehicle.