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Since last Wednesday, whenever I turn my car on cold, the message “Check BSD System” appears (it never pops up on a warm start). For anytime between a few seconds and five minutes, it flashes an orange exclamation point as a warning on the supervision cluster. Then it vanishes. BSD is inoperable while the warning is present. But when it vanishes, it functions perfectly.
I took it to the dealer on Friday, and they discovered and eliminated a code indicating battery overvoltage. then a short drive was made to see whether the code came back. Not at all. Due to their lack of thorough investigation, they gave me the car back, and of course the mistake reappeared the following day. Simply said, a code was cleared. When I called the dealer, I let them know that I was disappointed that they hadn’t taken the problem seriously the first time, and I requested an appointment for Wednesday.
I want to know if there is anything I can check to see if I can fix this on my own despite the fact that the owner’s manual simply states to “take it to your dealer if you get this issue.”
The identical problem affects my 2015 sport model. I start the car, shift to D, and then turn off the ignition while the gear is still in Drive whenever I need to clear the Check BSD problem. I then re-engage P and restart the ignition when the engine has stopped.
The error warning is now gone, and the BSD is operating normally. Sometimes you may need to try the procedure more than once before it takes.
In This Article...
What to Do If Your Hyundai’s Blind Spot Detection System Isn’t Working
Now that the Hyundai blind spot detection system isn’t working, you have an issue. What comes after that?
It can be really unsettling if this is a problem you are now experiencing. In order to drive safely and avoid obstacles, you need this blind spot detecting system. You rely on the BSD to notify you when you are approaching another vehicle or any potential obstacles your car might run against.
In order to fix the BSD system in Hyundai automobiles, a reset of the Hyundai BSD system or knowledge on how to fix the BSD system is required. How does it work? Read on to discover more.
My 2015 Hyundai Sonata Limited displays the message “check BSD…
My 2015 Hyundai Sonata Limited frequently flashes the “check BSD System” warning light, sometimes 34 times in a row. The more alarming it becomes outside as the temperature rises, it appears to be connected in some way to heat. It eventually stops and won’t resume until the car is started again. In the winter, it virtually ever happens, but in the summer, it becomes a significant issue. Although not nearly as frequently as the BSD system, it will occasionally also alarm the TPS system. does not appear to have any impact on how the car operates.
Mechanic’s Helper: Does the warning light flash or blink, or does it remain steady? How soon did you become aware of it?
It only appears for a split second before going away. It has been to the dealer three times and has been going on for a long time, but they have never seen it actually do it.
Mechanic’s Helper: Before I connect you, is there anything else the Hyundai mechanic needs to know? You can be confident that they will be able to assist you.
Hello there, I’ll be assisting you; I’m so sorry to hear about the problems with the Sonata. My name is ***** *****. I am aware of the aggravation such warnings might cause. This is a typical problem with certain models. Radar sensors mounted on the back bumper power the blind spot detection system. Although it seems like your sensors are broken, occasionally they need to be programmed in order to read properly. The calibration is something that needs to be done by the dealer, however I do advise it to see if it helps. If not, replacing the sensors can be done next.
I’ve visited three various vendors. They failed to identify the issue. Is the cost of replacement high?
Okay, I see. If the problem is sporadic, it can be difficult. Around 600 will be spent on new sensors, their installation, and calibration.
SERPRESULT
Choosing “Input/Output Monitoring” will allow you to view the most recent BSD system data.
Suitable Automobiles: Vehicles with BSD listed below: 2015–2017 Sonata (LFA)
What does Hyundai’s check BSD system mean?
The “check bsd system” indication is one of the danger lights that could display on your dashboard. This suggests that the blind spot monitoring system is malfunctioning. Another possible phrase is “Check Blind Spot Warning System.” The culprit is frequently nothing more than signal interference.
What does “BSD Cancelled” on my automobile mean?
The trailer may interfere with the operation of a vehicle’s Blind Spot Detection (BSD) system, preventing the BSD functionality from working. When this happens, the instrument cluster of the car displays the message “BSD canceled.”
What does BSD in an automobile mean?
Drive with confidence thanks to the Blind Spot Detection (BSD) warning system, which alerts you when something moves into your blind spot to your rear or side.
The outer corners of the rear bumpers are home to two radar sensors that look for vehicles entering your blind spots. They have a detection range of 4 meters on each side and up to 70 meters in the back. When vehicles are identified within the system border, Blind Spot Detection, which is activated at vehicle speeds above 30 kph, flashes a first stage warning light on your side mirror. If you use your indicator to change lanes, a second stage alert sound will then play after this.
BSD enables you to be more aware of your surroundings, but be careful to just use it as an addition to your regular safe driving techniques. Drive normally and consider it an additional measure of safety.
The Limited edition of the Optima presently has blind spot detection.
What location does the BSD sensor have?
Understanding how advanced driver assistance systems (ADAS) function is essential to being able to diagnose a problem with the system. You can more accurately determine the system’s potential causes of failure by being aware of what is happening internally. This will avoid replacing components that are not the root of the system’s problem. Let’s examine how a blind spot detection system functions from the inside out.
The radar sensors in the vehicle’s back are used by the blind spot detection system. These sensors are typically located on either side of the rear bumper. The sensor may occasionally be located somewhere else, such as in the tail light or the quarter panel under the bumper cover. Ultrasonic park assist sensors can also function as blind spot sensors on a small number of cars.
Radio waves are sent via radar sensors and are reflected off of objects to operate. The length of time it takes for the radio wave to return tells us how far away, how big, and which way the object is moving.
When there is an object in the blind spot, an indication on the side rearview mirrors will often light up. Additionally, the indicator light may be found on the A-pillar trim or the door trim.
The radar sensors are typically configured as a master module and slave module. The master module, in turn, communicates with other systems via the slave module. The slave module will alert the master module to the presence of an object if it is detected. Typically, the master module will then communicate with the door module to activate the blind spot warning light.
Determining how the system works can speed up the troubleshooting process. Installing components that don’t actually solve the issue will be prevented by knowing which system component to test.
Why is my Hyundai Sonata’s ABS light on?
The presence of an ABS indication light on your dashboard indicates that there may be a problem with your system and that you should have it checked properly. This indicator normally illuminates for one of four reasons: either the ABS module is broken, the fluid reservoir is low on fluid, the wheel speed sensors are damaged, or the system is off.
Ineffective ABS Module In fact, the traction control system in your car and the ABS have certain crucial parts in common. A device called traction control keeps all four wheels on the ground moving easily. It will cut off power from your engine until it regains steady traction if it notices that one wheel is beginning to spin erratically. This is intended to stop you from unintentionally exerting too much power, which could cause you to slip out of control. However, because your traction control and ABS share a control module and self-diagnostic system, they occasionally clash. The ABS light may illuminate in addition to the traction control light occasionally, however there are other situations when the ABS system is at fault. To pinpoint the precise problem, your car needs to be professionally diagnosed.
The fluid reservoir has low levels. Your brakes are hydraulic, which means they work by closing your brake pads and stopping your car by applying pressure from a cylinder against a fluid. This implies that the fluid level in your brake system must be steady and continuous. The volume of fluid will decrease and your brakes won’t function properly if there is a slow leak or if the fluid is allowed to evaporate out. Usually, sensors on your computer can find this, and if it does, it will turn on the ABS light.
Wheel speed sensors that are broken Wheel speed sensors are a piece of hardware that provide information to your computer about the individual speeds of the wheels. If the computer notices a deviation from these speeds, your traction control system will alter or switch power to another wheel to make up for it. However, a speed sensor can’t convey this information accurately if it becomes dusty or stops operating. It typically disables your ABS and/or traction control systems until you restart your car or the issue is fixed rather than making a ton of adjustments.
Your System Has Been Shut Down You might be surprised to learn that you can switch your traction control or ABS on and off. The indication light on your dash will often illuminate when the system is turned off to let you know that this crucial safety feature is malfunctioning. There is a good probability your system may have unintentionally turned off if only your traction control or ABS indicator is illuminated. Whether you’re unsure of where the switch is, check to see if you might have accidently bumped it. If so, refer to your owner’s manual.