This Most Common Fiat 500 Keys Debate Actually Isn't As Black Or White As You Think

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Fiat Doblo Replacement Key (M1Bar.Com) Panda keyfobs are equipped with a transponder that transmits an electronic signal from the fob to the car in order to unlock doors or turn on the motor. However, the key fob may stop working for several reasons.

A dead coin battery is the most common reason for a key fob malfunction. Other causes are water damage, malfunctioning receiver modules and signal interference.

Dead Coin Battery

If your key fob's battery has failed, the initial thing to do is replace it. Use a brand new button battery that has the same size, voltage and specification as the original.

If the key fob was exposed to water (such as rain or saltwater at the beach) It must be cleaned prior to being used again. The best method is to use the paper towel and soak it in isopropyl, or electronic cleaner.

If the key fob has not been exposed to water but remains inoperable, there may be an issue with the receiver module or an internal electronic chip. Reprogramming the keyfob by using an OBDII scan could assist in these situations.

Water Damage

It is possible to get water damage if your key fob was submerged in a puddle, pool or washing machine. It is usually possible to get it working again by getting rid of the battery and scrubbing the circuit board with isopropyl alcohol. It is a good idea to let the fob dry completely prior to installing a new battery.

It could be that you have a defective module when your key fob ceases working after replacing the battery or changing the programming. You can find information on the reprogramming of most remote keys on YouTube or consult your owner's manual. You can also try resetting the car's onboard computer using the OBDII scan tool.

Faulty Receiver Module

The key fob contains a chip that connects to the vehicle's system. The chip will stop sending and receiving signals to the car if it becomes damaged. This can be caused by dropping the key fob, or by exposure to water. If the fiat doblo key fob has stopped functioning after exposure to water, it is possible to repair the issue by cleaning or cleaning the chip using isopropyl alcohol, or electronic cleaner.

If the key fob still does not respond after cleaning it then it is likely that the receiver module is not functioning properly and must be replaced. A malfunctioning receiver could cause the key to stop working. This usually happens due to electromagnetic interference.

A malfunctioning electronic chip

The electronic chip in your key fob plays a vital role in the anti-theft system of your vehicle. It transmits a signal to the immobiliser unit inside the vehicle to determine whether or not the key is in fact valid. If the chip is damaged or broken, the car will not start.

A defective chip could be caused by interference caused by objects, bad weather or transmitters located near your vehicle. In this situation an upgrade to the fob will be needed.

Faulty Battery Contacts

The battery contacts on a key fob are very fragile and are susceptible to damage with hard usage. If they're damaged or bent, the fob won't send any signals to the receiver modules inside the car.

Modern fobs are equipped with rubber seals to keep out water. Submerging them in water, even if it's only the slightest splash or drizzle, can damage the chip's electronic components.

The key fob has a chip which communicates with the immobilizer system of the vehicle to start it. It uses the old red keys for older vehicles as well as the cryptocoding system used in newer cars. This chip needs to be changed if it is defective.

Problematic 12 Volt Battery

A defective battery can cause the key fob not to function. When this occurs, the car's computer system won't recognize that the remote is in the vehicle.

Test the battery with an voltmeter prior to replacing it to determine its capacity. A fully charged battery should read 12.6 volts. If the reading falls significantly then it's time to replace it.

To test a battery's capacity test the battery's capacity by placing an electrical load on it for a couple of minutes. This will eliminate about 1% of the surface charge. Then, measure the voltage once more. The better the battery's capacity is, the longer it will keep its voltage. Ideally, it should remain at 12 volts or less for several minutes.

Faulty Radio Signal

This is the most common reason behind a fiat key replacement fob that ceases to send signals to the car. This issue can be fixed by replacing the battery. It is crucial to buy a battery with the same voltage and dimensions as the original.

The buttons are not impervious to destruction and can take a lot. The battery buttons and contacts are delicate, so they can get bent or damaged from rough use.

A signal can also be affected by other objects or transmitters that use the same frequency. A light-control panel in your home, for example can interfere with key fobs that have the same frequency. This could cause interference with your car's remote control.

The tool is not working properly. OBDII scan tool

There are many reasons why a scan tool could not work. Some are more complex than others.

Professional scan tools enable mechanics to observe the car's networks and run various self-tests. These can be real time-savers, but they can also be very expensive, and out of the budget of most DIYers.

If your OBD2 scanner doesn't work make sure you check the voltage at terminal 16 (scan tool power) and terminal 4 (chassis ground). If these are OK it's likely that a fuse has been blown. This is among the most common causes of failures in the scan tool. It is usually easy to fix the issue by replacing the fuse that was blown.