Unraveling Why Is My AWD Light On In A Car?

Have you ever noticed the AWD light in your car’s dashboard and wondered why it keeps coming on and on? When your car’s warning light remains on, the All-Wheel Drive (AWD) system, which is meant to improve traction and stability, can occasionally put a literal wrench into your driving experience. This conundrum frequently raises concerns about what precisely is going on inside your car and how it impacts its performance.

We set out to explain why is my AWD light on in your car in this article. We will explain the significance of this lighted indication, investigate possible causes for its continued existence, and provide you with workable fixes to address the issue. So buckle up and follow along as we unravel the complexities of the AWD light problem, making sure you comprehend, solve, and overcome this car riddle. Stay Hooked!

Understanding All-Wheel Drive System

Let’s take time to define and comprehend what an all-wheel drive system is before we get into the specifics of why is my AWD light on in your car.

An AWD system is a kind of drivetrain that sends power to a vehicle’s four wheels, improving traction and stability. AWD vehicles may concurrently distribute power to all four wheels. Additionally, in contrast to conventional two-wheel drive (2WD) vehicles that only drive the front or rear wheels. Due to the vehicle’s improved ability to grip the road due to the power distribution, it is perfect for driving in inclement weather like rain, snow, or ice.

There are commonly two types of AWD systems:

1. 2WD:

A 2WD vehicle has two wheels that are powered. While front-wheel drive (FWD) denotes the use of two front wheels, rear-wheel drive (RWD) refers to the use of two rear wheels.

2. 4WD:

4WDs power each of the four wheels, which improves traction. In order to accommodate more difficult driving conditions, they are also built with a more resilient suspension and higher road clearance. They typically operate only in 2WD until 4WD is deliberately engaged.

Why Is My AWD Light On In A Car?

AWD lights are modest but important dashboard indicators. If they appear frequently, it may be an issue with your car’s All-Wheel Drive system. Comprehending the typical causes of the AWD light remaining on is crucial for a timely and efficient resolution.

1. Wheel Speed Sensor Problems:

A problem with the wheel speed sensors is one of the common offenders. These sensors monitor the speed at which each wheel rotates. The AWD light may remain on if one or more sensors malfunction, giving the impression that your car is losing traction.

2. Hiccups In The AWD Control Module:

Consider the AWD control module to be the system’s brain. When it breaks down, it can send out conflicting signals, which confuses the AWD system and causes the AWD light to stay on all the time.

3. Drivetrain Deterioration:

Over time, components that power your vehicle, such as the driveshaft, differential, or CV joints, may deteriorate. The worn-out or damaged parts of these parts can interfere with the AWD system and cause the AWD light.

4. Low Levels of AWD Fluid:

AWD systems require a specific fluid known as “aWD juice.” If this fluid level falls too low, it can lead to greater friction and, yes, an uncontrollably bright AWD light.

5. Power-Related Gremlins:

Modern cars are essentially high-tech devices on wheels and occasionally the electrical components in them malfunction. The persistent AWD light may be caused by corroded connectors, broken wiring, or electrical shorts that interfere with communication within the AWD system.

Therefore, by being aware of these typical causes, you can take proactive measures to resolve the AWD light problem and restore your car’s All-Wheel Drive system to peak performance in time for your upcoming trip.

Is It Safe To Drive A Car With The All-Wheel Drive System Issue?

It’s advised to avoid driving your automobile if your all-wheel drive (AWD) system is broken until it has been fixed. Your automobile may not effectively distribute power to all four wheels due to a problem, which reduces its safety on slick or uneven roads. Driving with a broken AWD system can result in loss of control, decreased traction, and even possible car damage.

If you want to make sure that your car’s AWD system operates as intended and gives you improved traction and stability when you need it most, you should have a qualified mechanic inspect and fix the problem. Avoid driving up until the issue is fixed to put your safety and the safety of other road users first.

Solutions To Fix The “AWD Light On” Issue In Your Car

Therefore, now that we’ve seen your query of why is my AWD light on in your car. Additionally, now we’ll some simple solutions to fix this issue. Do not panic if the AWD light on your car is persistently sticking on; there are easy fixes to get you back on the road.

1. Examine The Wheel Speed Sensors:

Wheel speed sensors are what the AWD system uses to determine what each wheel is capable of. The AWD light may come on if one is misbehaving. Resolution? Change the troublesome sensor. Consider it as akin to installing fresh eyes on your car.

2. Inspect The AWD Control Unit:

Consider your AWD system’s control module to be its brain. If it’s not feeling well, it may send false signals, which would cause the light to remain on. How to fix it? Have it diagnosed and, if necessary, replace it. A happy AWD system equates to a healthy brain.

Awd error | Infiniti Q50 Forum

3. Check Drivetrain Components:

The driveshaft and CV joints, among other drivetrain parts, are prone to wear and tear. Should they do so, the AWD light may illuminate. Here, there is an easy fix: periodically inspect these components and replace them if necessary. To improve grip, it’s similar to fitting new shoes for your car.

4. Remember Fluid Levels:

The AWD fluid is comparable to the system’s life force. The light may come on when low levels throw off the AWD balance. The remedy? As directed by the owner’s handbook, check and replenish the AWD fluid in your vehicle. Consider it like car maintenance for your vehicle.

5. Check The Electrical Framework:

The electrical systems in cars are becoming more sophisticated. AWD may become confused and the indicator may remain on if there is a malfunction in the system, such as broken wires or poor connectors. A thorough check and resolving any electrical issues are the answers. It is comparable to a tech inspection for your vehicle.

Keep in mind that early detection and regular checkups can avert more serious difficulties later on. You can get the professionals involved if you’re unsure of the reason behind the AWD light remaining on. Their AWD system can be restored to optimal condition using their equipment and expertise. If you take care of your car, it will keep you driving smoothly!


Your car is trying to tell you something needs to be done when you wonder why is my AWD light on in a car. You can not only take care of the current problem and guarantee the long-term effectiveness and health of your All-Wheel Drive system by comprehending the possible reasons and taking proactive measures to address them. Enjoy the peace of mind that comes with driving an AWD car that has been properly maintained while remaining informed and alert.

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