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The Ultimate Glossary Of Terms For Fiat 500 Keys
Fiat Panda Key Fob Replacement

Fiat Panda key fobs contain transponder chips that send an alert to your car to unlock the doors or start the engine. However, the fob could not function due to a variety of reasons.

A dead coin battery is the most common cause of a key fob malfunction. Other reasons include water damage, an inoperative receiver module, and signal interference.

Dead Coin Battery

If the battery in your key fob is dead, the first step is to replace it. Make use of a button cell battery that has the same voltage, size, and specifications as your previous one.

If the key fob was exposed to water, such as a splash of rain or salt water on the beach, it needs to be cleaned before it is able to be used again. A paper towel soaked in isopropyl alcohol or electronic cleaner will be the solution.

If the key fob doesn't working even though it is not exposed to water, it could be due a malfunction in the receiver module or in the internal electronic chip. In these cases it is possible that reprogramming the key fob using an OBDII scanner might assist.

Water Damage

If your key fob has taken immersed in a puddle or pool or gone down the washing machine, you may have some water damage. It's usually possible to repair it by taking the batteries off and cleaning the circuit board using ruby alcohol. It is recommended to let the fob completely dry before installing batteries.

You could have a damaged module when your key fob ceases working after replacing the battery or updating. You can find reprogramming procedures for most vehicles' remote key fobs on YouTube or in the owner's manual. You can also try resetting the car's onboard computer by using the OBDII scan tool.

Faulty Receiver Module

The key fob's chip is a chip that connects to the vehicle's system. If the chip is damaged, it can no longer send and receive signals to the vehicle. The key fob being dropped can cause this, as can exposure to water. If your key fob has stopped functioning due to water exposure it is possible to fix it by attempting to clean the chip with electronic cleaner or isopropylethanol.

If the key fob does not respond following cleaning, then it is likely that the component is damaged and will require to be replaced. A damaged receiver module may also cause the remote control key to stop functioning. This is typically caused by electromagnetic interference.

Faulty Electronic Chip


The electronic chip inside your key fob plays an important part in the anti-theft security system of your vehicle. It transmits a message to the immobiliser in your car that tells it whether the key is genuine. If the chip is damaged or broken, the car won't start.

A malfunctioning chip could be caused by interference signals from other objects or weather conditions that are bad, or transmitters on the same frequency as your vehicle. In this instance you'll need a new key fob.

Contacts for the battery that are damaged

The battery contacts in a key fob are very fragile and are susceptible to damage through repeated use. If they are bent or broken the fob will not send any signals to the receiver modules inside the car.

Modern fobs are equipped with rubber seals to keep out water. A splash of water or light rain is acceptable however, submerging them in saltwater can cause damage to the chip's electronic components.

The key fob is equipped with an embedded chip that communicates to the immobilizer system of the vehicle, allowing it to start it. The system is based on the old red keys in older vehicles or the cryptocoding system that is used in modern vehicles. This chip will need to be changed if it is faulty.

Problems with 12 Volt Batteries

A malfunctioning battery could cause the key fob to cease to function. The car's computer may not recognize the remote if this happens.

Before you replace the battery, test it with the voltmeter to determine its capacity. A fully charged battery should read 12.6 volts. If the reading decreases significantly, it's time to replace it.

Put an electrical load for a short period of time on the battery to gauge its capacity. This will eliminate 1percent of the surface charges. Then, you can measure the voltage. The better the battery's capacity and the longer it can maintain its voltage. It is ideal to maintain close to 12 volts over several minutes.

fiat 500 spare key cost uk is not working properly. Radio Signal

This is the main cause of a key fob that stops sending signals to the car. The battery could be replaced to fix this problem. It is important to buy a battery that has the same dimensions and voltage as the original.

Fobs aren't impervious to damage and can withstand a lot. The battery contacts and buttons are delicate and are susceptible to being bent or damaged from the force of.

Other transmitters or objects using the same frequency can disrupt a signal. A light-control panel at your home, for example can interfere with key fobs which use the same frequency. This could cause interference with the remote control of your car.

Afflicted OBDII scan tool

There are a number of reasons why a scanner might not work. Certain are more complicated than others.

Professional scan tools enable mechanics to examine the car's systems and run a range of self-tests. These can be real time-savers, but they can be expensive, out of the reach of most DIYers.

If your OBD2 scanner isn't turning on make sure you check the voltage at terminal 16 (scan tool power) and terminal 4 (chassis ground). If they're all fine there is a chance that a fuse has blown. This is among the most common causes of failures in the scan tool. It is generally easy to fix the problem by replacing the fuse that was blown.