Many dashboard symbols on your Volkswagen can illuminate when the system detects an issue.
Such as, a fuel indicator turning on when it’s time to fill up the tank or a battery indication turning on when the alternator voltage appears to be low or when the charging system appears to be failing.
The EPC light, which is specific to VW automobiles and stands for Electronic Power Control, is one unfamiliar indicator you may notice in your vehicle.
But what exactly does this imply?
What is the cause of the EPC light becoming on?
Simply put, when the vehicle’s system senses any form of power failure.
When there is a failure, the EPC Light illuminates on the dashboard.
If the EPC Light is illuminated because of traction control issues, the traction light will also be illuminated.
What is the EPC Light, and how does it work?
A problem with your throttle system, including the throttle body, accelerator pedal, cruise control, or traction control, is indicated by the Electronic Power Control (EPC) warning light.
Depending on the source of the problem, the EPC light may appear with the Engine, ABS light, or ESP lights.
The engine control unit, brake control unit, gearbox control unit, and steering control unit all monitor the Electronic Power Control system.
The EPC system is found in a variety of automobile models and brands, particularly modern Volkswagen vehicle because it is manufactured by Volkswagen.
Because Volkswagen owns so many new vehicles automobile brands, this warning lights may also appear in your Audi, Skoda, or Seat.
What Is the Source of the EPC Light’s Illumination?
The EPC Light can illuminate for a variety of reasons and may result to epc light problem, including:
- Traction control malfunctions
- Problems with the throttle pedal, gas pedal or brake pedal
- Problems with Cruise Control
- Mistakes in the engine or ignition
- A lack of engine speed sensors
- Other sensors, such as the mass airflow sensor or the brake light switch, may be malfunctioning.
- Electric power control
- Spark plug
What is the best way to fix the EPC light?
Using an OBD2 Scanner to examine the fault codes in the engine control module or ABS control module is the simplest way to resolve the EPC issue.
When the EPC warning light illuminates, it indicates that one or more trouble codes are stored in one of the control units.
For any stored trouble codes, scan the engine control unit, ABS control unit, steering control unit, and gearbox control unit.
You can either take your automobile to a professional to have the trouble codes checked, or you can do it yourself using an OBD2 scanner.
Only the engine control unit can be read by the cheapest diagnostic scanners.
Because this problem could affect multiple control units, it’s best to either invest in a more capable diagnostic scanner or have a workshop interpret the codes from the other control units.
Whether the EPC light is on your dashboard but the car is operating OK, you can use an OBD2 scanner to do a VW EPC light reset to test if the light returns.
If it doesn’t happen again, it might be a one-time problem, but if it does, you’ll have to fix it.
When the light appears, it indicates that an issue is currently occurring.
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Is it possible that the EPC Warning Light will cause a power outage?
Many engine management systems have incorporated a “limp-in mode” or “limp-home mode” since the 1990s, which limits the vehicle’s speed and may prevent the automatic gearbox from shifting out of second gear.
When the vehicle’s drivetrain computer detects a significant problem, it kicks in to allow you to go to the dealership without causing any further damage to the system that’s malfunctioning.
Is Driving With the EPC Light On Safe?
No, in a nutshell. The EPC light could indicate a variety of issues, some of which are trivial and others which are rather serious.
If your vehicle’s EPC light is lighted and it’s in limp-in mode, you should take it to a dealer as soon as possible for diagnosis and repair.
Furthermore, when the EPC software identifies difficulties with the EPC management system, some Volkswagen vehicles equipped with an Electronic Stability Control (ESP) system may shut down completely.
It’s crucial to remember this if you’re looking for new Jetta vehicle for sale.
This is vital to remember: in limp-home mode, your car may still be drivable (to some extent), but its speed and acceleration are limited to prevent significant damage to drivetrain components.
It’s known as “error-tolerant design,” and it’s meant to keep users from causing too much damage unintentionally.
One problem can soon develop and evolve into a succession of difficulties if it isn’t addressed right away, especially when it comes to the cooling system, emissions, transmission, and other main systems.
Is it possible for a dead battery to turn on the EPC light?
To function effectively, your vehicle’s systems and sensors require a baseline voltage (which varies based on the sensor) to activate the esp light.
Any drop in that baseline voltage, whether caused by a dead battery, a failed alternator, or even a defective or loose battery cable, can create drivability issues or even force the vehicle to shut down altogether, triggering the EPC light.
How Do I Turn Off the EPC Light?
The technique for resetting the EPC light varies per Volkswagen vehicle car generation.
We wouldn’t recommend doing this even it is a pre owned vehicles until the issue that caused the EPC light has been identified and fixed first.
These technologies are designed to remove a lot of the guessing and deduction out of diagnosis and repair for technicians, whether it’s a Volkswagen EPC light or a Check Engine light on another make.
The tech has the means to swiftly access the code that caused the EPC light to illuminate in the first place.
After understanding the code and doing some line-by-line reading, the tech can trace out the faulty part or system and repair it.
What is the cost of repairing the EPC light?
Because many reasons can produce the EPC light or ESP light, there is no set price for fixing it.
The cost of repairing the EPC light is usually between $100 and $400 on service center, however it might be more expensive in exceptional cases.
What’s the best way to fix my EPC light?
To fix the VW EPC light, use an OBD2 scanner to view the fault codes or ask directky the Volkswagen AG.
Continue troubleshooting the error codes on your epc volkswagen warning light once you’ve figured out what they’re telling you.
You will be wasting your money if you try to solve the problem by guessing on your interior lights.
Other Volkswagen Vehicle
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- Golf R
Frequently Asked Questions (FAQ)
Is it safe to drive with EPC light on?
While you can drive with the EPC warning light illuminated, you risk causing serious engine damage.
The EPC’s limp-home mode may trigger to help prevent damage, slowing down the car as you seek assistance.
As soon as possible, get the car inspected by a qualified technician.
How do I fix the EPC light on my VW?
Reset the VW EPC light
You’ll need to access the Engine Control Module, commonly known as the EMC, to reset the VW EPC light.
To perform this process, you’ll need diagnostic equipment to connect to the vehicle’s data link connector and take out all memorized DTCs (also known as Diagnostic Trouble Codes).
How much does it cost to fix a Volkswagen EPC?
You’ll have to pay an average of $124 to $214 to fix a glowing Electronic Power Control (also known as the EPC), but that’s just if the throttle body is broken.
It’s most likely just a matter of resetting the light. A vw jetta’s epc light costs around $200 to repair.