Peugeot 208 Key Replacement
Peugeot 208 key replacement should be left to auto locksmiths with experience with the right equipment and technical knowledge. They will be able to make and program new keys quicker than a dealership and at a lesser cost.
If the key fob has stopped locking or unlocking your doors, it could be due to a dead coin battery. 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 stopping it from starting the engine. If this is the case, you'll need to use the backup starting method that's described in the owner's manual of your vehicle.
Another reason your 208 may not start is that the spark plugs have worn down. The spark plugs are responsible for igniting the fuel that starts the engine. However they are limited in their life span. They'll eventually fail if they're not used enough.
There is a simple solution for this problem. Check the voltage of the battery with a multimeter. If it's lower than 11.5 volts and you are not satisfied, then it is time to replace it. It is also essential to clean the battery's contacts if it has corrosion. This can be done by removing the rubber covers from the two terminals of the battery, and then using a wirebrush to remove any corroded battery parts. Then, you should connect your cables to connect the positive and negative poles.
Water Damage
If your 208 won't start and the battery hasn't been replaced, you must inspect the spark plugs. It could be that they are just overly dirty, causing them not to spark. This can be fixed by cleaning the spark plugs in the workshop.

Peugeot cars use a key with a transponder that is compatible with the immobiliser. This ensures that only a valid key can turn the engine. If the chip inside the Peugeot key is damaged then it will not send the correct signal to the vehicle.
This is a common problem that is caused by water damage. This is a common problem in more cold climates where the car is exposed to rain or snow. If this is the case, you should call a reputable auto locksmith who has all of the equipment and tools needed to change the key's programming. They will also have the latest technology and machinery required to create the Peugeot smart key. The process should take no more than 15 minutes.
Faulty battery contacts
Peugeot changed from the carbon-encased transponder chips to a brand new type of chip that relies on electronic components that are placed on circuit boards. This new system works well when it's brand new, but as time passes, the circuit boards start to lose their effectiveness and cease working correctly.
This can prevent the immobiliser chip activating the immobiliser chip, causing your car not to start. If this happens it's a good idea get in touch with a Peugeot specialist or locksmith.
Another common issue is when the battery of the key fob starts to die, this causes the key blade to stop feeding into the lock. A locksmith in your car can replace the battery and cut a new blade for you, it's typically a quick fix.
Faulty Receiver Module
It could be that the receiver module is defective in the event that your Peugeot key fob fails to function after being dropped on the floor, or exposed to a stormy rainstorm, or accidentally washed. The receiver is responsible for transmitting radio frequency signals to an on-board computer that controls the central locking system inside your Peugeot vehicle.
peugeot partner key replacement G28 has rubber seals that block water from reaching the electronic chip inside. However, prolonged exposure to water can be able to penetrate these seals and cause damage to the chip. The high salt content of the ocean water or pool could cause damage to the key fob, especially if it is submerged.
The module must be replaced if the Peugeot spare key isn't working anymore. This should be done by a Peugeot specialist or expert auto locksmith. Unlike other cars, Peugeot keys are protected by an exclusive immobilizer system that requires the correct coding for the start of the engine. This is why it is imperative that you should only rely on an authorized Peugeot locksmith to design and program a replacement.
Faulty on-Board computer
The computer on the board of your Peugeot is responsible for many of the systems within your car, ranging from power windows to the airbags. The on-board computer displays a code when something goes wrong. The code is stored within the system and will stay there until the issue is solved. This may require the on-board computers to be replaced.
The most common reason for the warning light for the airbag to come on is corroded or loose connections within the sensor. This could be due to wear and tear, aging, or exposure to moisture and salt. It is crucial to get this issue addressed as quickly as possible, since a malfunctioning airbag can be dangerous in the event of an accident.
If you see an error message that says "card not found" on your Peugeot key fob, the battery in the key fob may be dead or weak. This could prevent the key fob from transmitting a signal that will disable the immobilizer on your vehicle's standard. Test this by pressing the unlock button on the key fob and then trying to start your car. If this doesn't work, then the key battery needs to be replaced.