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How to Fix a Problem With Your Hyundai i20 Key Fob

Hyundai i20 owners can to lock and unlock their cars remotely. They can also start the vehicle in advance and monitor the key fob's functions using an app for their smartphone.

Occasionally the key fob may cease to function. It could be due to the battery being dead or water damage, or signal interference.

Battery





Hyundai has developed the smart key fob for their vehicles, which allows you to perform a variety of remote functions, including locking and unlocking doors, starting your vehicle and triggering an emergency button. It's an excellent way to save time and energy for drivers, but it can be a hassle if it doesn't work as intended. If you're having difficulty getting your Hyundai i20 key fob to function properly there are a few things you can try to solve the issue.

The first step is to test the battery. Most smart key fobs make use of the coin cell battery which can be replaced in a matter of minutes. This is usually the fastest and most cost-effective method to fix the issue. You can find replacement batteries in a variety of stores as well as online. Re-open the keyfob after installing the new battery in order to confirm that the battery is in the proper position and in contact with all connections.

Be sure to take a picture or make a note of where the old battery was positioned on the circuit board prior to taking it out it. This will let you replace the battery the same way. Most Hyundai smart key fobs utilize CR2032 batteries, which are available in most shops or online. Close your key fob after installing the battery and test it.

Contacts

If your Hyundai key fob suddenly stopped working and you did not drop it, there could be a problem with the internal chip. The receiver module in the car uses radio frequency signals to communicate with the remote. If the signals are disrupted by nearby transmitters, or other objects the key fob could stop working properly.

Think about the Hyundai Digital Key system if you're looking for a way to unlock, lock and start your car on your way to work in Reno. This advanced keyless system works via an app that you can install on your smartphone. It allows you to share Digital Key access up to three persons. This is helpful when you give a friend the opportunity to ride with you or leave your vehicle with valet service.

The most common reason for a Hyundai i20 key fob to stop functioning is an inactive battery. It's time for a new battery if it shows signs of aging like a slow operation or no response at any time. Although the process of replacing your Hyundai keyfob battery shouldn't be difficult, you should be aware of a few things before you begin. Make a sketch or a note about how the old battery is placed on the circuit board. This will help you place the new battery in the same spot.

Water Damage

The rubber seals on the key fob guard the electronic chip from water. If it can withstand a brief splash from a washing-machine, or an a short immersion in light rain it's unlikely to get damaged. If you've dropped it in a pool or the ocean, then the water could penetrate the seals and damage the circuit board, which is costly to repair.

The first step is to dry the key fob completely. This can be done in several ways. You can put it in a bag with silica packets to absorb the moisture. Alternately, you can use rice that has not been cooked, but it is important not to contact the key fob when it's still damp as it could cause contamination to the internal components.

Using isopropyl alcohol or an electronic cleaner may also be helpful in cleaning the contacts on the circuit board. If the chip has gone bad, it's best to accept you'll have to replace the key fob.

Replacing the battery in a Hyundai key fob is straightforward and generally not messy. You can follow a YouTube tutorial video to assist you with the process or consult the owner's manual. It's always a good idea keep an extra key fob at your side so that you can continue to drive your car while you wait for the repair key to arrive.

Diagnostics of a fault

If your check engine light is on and there is a fault code, it may be difficult to pinpoint the issue without the aid of a diagnostic scanner, commonly referred to as an OBD 2. These can be purchased in Bluetooth models that connect to your phone, or standard models with an integrated reader.

The throttle position sensor (TPS) is located in the i20, can become damaged. This sensor is responsible for determining the opening angle of the throttle valve. hyundai i20 spare key cost is then sent to the control unit that helps calculate the amount of fuel needed. A malfunctioning throttle sensor can cause rapid acceleration that is jerky, fluctuations in RPM and reduced engine performance.

Another issue that is common in the i20s is the transmission that is defective. The transmission is a complex component with a variety of gears that work together to transfer the power from the engine. The friction between the gears leads to wear over time which can cause the transmission to fail. Signs of a defective transmission include grinding or clunking noises and rapid acceleration that is jerky.

The spark plugs inside the i20 are a different common issue area. The problem with the plugs is that they could cause engine damage due to not delivering enough sparks to every engine. A damaged spark plug can cause expensive and serious engine damage if ignored.