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10 Peugeot Keys That Are Unexpected
Peugeot 208 Key Replacement

It is recommended to leave the replacement of Peugeot keys 208 to auto locksmiths who have the equipment and expertise. They can create and program keys quicker and more efficiently than a dealership.

A dead coin battery is most likely to blame if your key fob stops locking or unlocking the doors. There are other causes that the key might be malfunctioning.

Dead Coin Battery

A dead battery can stop your Peugeot 208 from locking and unlocking, and also making it impossible to start the engine. If this is the situation, you'll need apply the backup starting technique which is explained in the owner's manual to your vehicle.

The spark plugs can also be worn out. The spark plugs are responsible for igniting the fuel which starts the engine. They are only able to last for a short time. If they aren't used enough to last, they'll eventually fail.

There is a simple solution for this issue. Check the voltage of your battery with a multimeter. If it's below 11.5 volts then you must replace it. If the battery is damaged it is essential to clean its contacts. You can do this by lifting the rubber covers that protect the two terminals on the battery and using wire brushes to clean any corroded parts of the battery. It is then time to reconnect the cables for the positive and negative poles.

Water Damage

If your 208 won't turn on and the battery is not empty, you must ensure whether the spark plugs are working. You may find that they're dirty and do not spark. This can be fixed easily by cleaning the spark plugs in the workshop.

Peugeot cars are equipped with keys that are transponder-type and integrates with the car's immobiliser system. This ensures that only the right key is able to turn the engine. If the chip inside the Peugeot key is damaged, then it won't send the proper signal to the vehicle.

This is a very common issue that can be caused by water damage. This is especially prevalent in colder climates, where the vehicle might have been exposed to rain or snow. If this is the case, you should get in touch with a reputable locksmith who will have all the tools and equipment needed to reprogram the new key. They will also have the latest technology and the machinery needed to make a Peugeot 208 smart key. The process should take no more than 15 minutes.

Contacts to the battery are not working properly.

Peugeot changed from the old carbon encased transponder chips to a new kind of chip that utilizes electronic components that are placed on circuit boards. The new system works great when it's brand new, but the circuit boards deteriorate over time and cease to function properly.

This can prevent the immobiliser chip from triggering and causing your car to not start. Contact a Peugeot specialist or a locksmith, if this is the case.

Another issue that is common is when the battery in the key fob begins to fail, which causes the key blade to stop feeding into the lock. A car locksmith will replace the battery, and cut a new blade for you. This is a quick solution.

Faulty Receiver Module

If your Peugeot key fob has stopped working after dropping it on the floor, getting exposed to a sudden rain or accidentally washing it may be due to a faulty receiver module. The receiver is responsible for sending radio frequency signals to an on-board computer that controls the central locking system within your Peugeot vehicle.

The key fob itself is fitted with rubber seals that block water from getting to the chip inside. However prolonged exposure to water can be able to penetrate these seals and cause damage to the chip. The high salt content in the ocean or pool could cause damage to the key fob if it is submerged.


If your Peugeot spare key fob doesn't work it is necessary to have the module replaced. This is only performed by a professional auto locksmith or Peugeot specialist. Unlike other cars, Peugeot keys are protected by an immobilizer that is unique and requires the correct programming to begin the engine. This is the reason that you should only rely on an authorized Peugeot locksmith to create and program an alternative.

Computers with faulty on-board computers

The on-board computer in your Peugeot is responsible many functions in your car including airbags and power windows. If something goes wrong with these systems, it will typically show a code that identifies the issue. This code will be stored within the system until the problem is fixed. This can often mean that the on-board computers to be replaced.

One of the most common reasons for the light turning on is the loose or corroded connections within the airbag sensor. It can be due to wear and tear, ageing, or exposure to salt and moisture. It is imperative to have this issue resolved as soon as you can, since an airbag that is malfunctioning can be risky in the event of an accident.

If you encounter an error message stating that the card is not found on your Peugeot key fob, the battery in the key fob may be weak or dead. This could prevent the key fob from transmitting a signal that will disable the immobilizer on your vehicle's standard. Test peugeot replacement key G28 Car Keys by pressing the unlock button on the key fob and then trying to start your car. If this fails, the key battery needs to be replaced.