Peugeot 208 Key Replacement
It is recommended to leave the replacement of Peugeot keys for 208 to auto locksmiths that have the equipment and knowledge. They can create and program keys quicker and more efficiently than dealers.
A dead coin battery is most likely to blame when your key fob stops locking or unlocking the doors. There are other reasons why the key might be malfunctioning.
Dead Coin Battery
A dead coin battery can hinder your Peugeot 208 from locking or unlocking, and won't start the engine. In this case you'll need make use of the alternative method for starting found in your vehicle's owner's manual.
The spark plugs could also be worn out. The spark plugs are responsible to ignite the fuel which starts the engine. They have a limited lifespan. If they're not used enough they will eventually fail.
There is a simple solution to this issue. Examine the voltage of your battery with a multimeter. If the voltage falls below 11,5 volts, it's time to replace it. It is also important to clean the battery's contacts when it has corrosion. This can be done by lifting the rubber covers covering the two terminals of the battery and using a wire brush to remove any corroded areas of the battery. Then, you should reconnect the positive pole cables to the negative.
Water Damage
If your 208 does not start and the battery hasn't fallen flat, it is time to check the spark plugs. It could be that they're dirty, which causes them not to spark. This can be fixed easily by cleaning the spark plugs in a workshop.
Peugeot automobiles use transponder keys that integrates with the car's immobiliser system. This makes sure that only the correct key is able to turn the engine. If the chip inside the Peugeot key is damaged, it will not send the correct signal to the vehicle.
Water damage is a frequent reason for this issue. This is a common issue in areas with colder temperatures where the vehicle has been exposed to rain or snow. If this is the case, seek out a reputable auto locksmith who will have all of the equipment and tools needed to modify the new key. They will also have all the latest technology and machinery required to make a Peugeot smart key. The process shouldn't take more than 15 minutes.
Faulty battery contacts
Peugeot replaced the transponder chips with a brand new model that utilizes electronic components mounted on a circuitboard. The new system works great when it's brand new, but the circuit boards wear out over time and stop working properly.
This could stop the immobiliser chip from activating, so your car won't start. Contact a Peugeot specialist, or a locksmith if this is the situation.
A common problem is when the battery of the key fob starts to fail. This causes the blade of the key to stop feeding into the lock. A car locksmith will replace the battery and cut a new blade for you. This is a simple solution.
Faulty Receiver Module
If your Peugeot key fob has stopped working after dropping it on the ground, being exposed to a sudden rain or accidently washing it the wrong way, it could be due to a faulty receiver module. The receiver is responsible for sending radio frequency signals to an on-board computer, which is responsible for controlling the centralized locking system inside your Peugeot vehicle.
Rubber seals on the key fob prevent water from reaching its electronic chip. The chip can be damaged by water if it is exposed to water for long periods of period of. The high salt content in the pool or ocean waters can cause damage to the key fob, especially if it is submerged.
If your Peugeot spare key fob doesn't work it is necessary to have the module replaced. This can only be done by an Peugeot specialist or expert auto locksmith. Peugeot keys like other cars are secured by an immobilizer system. This requires the proper code to begin the car. This is why it is imperative that you should only trust the Peugeot locksmith to design and program an alternative.

Computers with faulty on-board computers
The on-board computer inside your Peugeot is responsible for a variety of the systems within your vehicle, from power windows to the airbags. When peugeot 308 key fob g28carkeys.co.uk goes wrong with these systems, it'll typically display a code indicating the issue. This code will be stored within the system until the issue is resolved. In most cases, this will require replacing the onboard computer.
The most typical reason for the warning light for airbags to come on is corroded or loose connections within the sensor. This can be caused by wear and tear, aging, or exposure to salt and moisture. This issue must be addressed as soon as you can, since an airbag that is not functioning could be dangerous in the event in the event of an accident.
If your Peugeot is showing a card detected as not present error, then the key battery in the key fob may be weak or dead. This can prevent the key fob from sending a signal to disable the standard immobilizer in your vehicle. Try this by pressing the unlock button on the fob's key, then trying to start your vehicle. If this fails it is because the battery of the key is in need of replacement.