Peugeot 208 Key Replacement
Peugeot 208 key replacement should be left to experienced auto locksmiths who have the proper tools and know-how. They can program and create keys quicker and more efficiently than dealerships.
If your key fob has stopped locking or unlocking your doors, it could be due to a dead battery in the coin. There are other reasons that the key could be malfunctioning.
Dead Coin Battery
A dead battery in the coin compartment will stop your Peugeot 208 from locking or unlocking, and won't start the engine. In this case you'll need to make use of the alternative method for starting as described in your vehicle's owner's manual.
The spark plugs may also be worn out. The spark plugs ignite the fuel to start the engine. They have a limited lifespan. If they are not used enough and they fail, they'll eventually die.
There is an easy solution to this issue. The best option is to check the voltage of your car battery using a multimeter. If it is below 11.5 volts it is time to replace it. If the battery has corroded, it is important to clean its contacts. This can be done by lifting the rubber covers that protect the two terminals on the battery and using wire brushes to clean any corroded areas of the battery. After that, you need to connect the positive pole cables to the negative.
Water Damage
If your 208 doesn't start and the battery isn't empty, you must ensure whether the spark plugs are in good working order. It could be that they are simply too filthy and don't spark. This can be fixed by cleaning the spark plugs in the workshop.
Peugeot automobiles use keys that are transponder-type and works with the car's ignition system. This ensures only the correct key is able to turn the engine. If the chip inside the Peugeot key is damaged, then it won't transmit the correct signal to the vehicle.

Water damage is a common reason for this issue. This is a common problem in more cold climates where the car has been exposed to rain or snow. If this is the case, you should seek out a reputable auto locksmith who will have all the tools and equipment needed to modify the new key. They also have the most up-to-date technological know-how and the equipment required to make the Peugeot 208 smart key. The process shouldn't be more than 15 minutes.
Faulty Battery Contacts
Peugeot replaced the old transponder chips using a new model that is based on electronic components mounted on a circuitboard. This new system works well when it's brand new however, over time, the circuit boards start to deteriorate and stop working properly.
This can prevent the immobiliser chip from activating and causing your car to not 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 gets depleted, which causes the blade of the key to stop from entering the lock. A locksmith from your vehicle can replace the battery and cut a fresh blade for you, this is usually a simple fix.
Faulty Receiver Module
It could be that the receiver module is faulty when your Peugeot key fob isn't working after being dropped on the floor, exposed to a sudden storm or accidentally washed. The receiver is responsible for sending radio frequency signals to the on-board computer which controls the centralized locking system of your Peugeot vehicle.
The key fob itself is fitted with rubber seals that prevent water from getting to the electronic chip inside. Water can damage the chip if it is exposed to water for long periods of period of. Submerging the key fob into sea water at the beach or throwing it into the pool can be particularly damaging due to the high salt content.
The module needs to be replaced if your Peugeot spare key does not work anymore. This can only by done by an Peugeot specialist or an expert auto locksmith. Peugeot keys unlike other automobiles, are secured by an immobilizer system. This requires the proper code to begin the car. This is why you should only be able to trust a professional Peugeot locksmith for the job of programming and creating the replacement.
replacement peugeot key fob On-Board Computer
The computer on board in your Peugeot is responsible for a number of the systems in your vehicle, from power windows to airbags. If something goes wrong with these systems, it will typically display a code that indicates the issue. This code is stored in the system and will stay there until the problem is resolved. In most cases, this will require replacing the onboard computer.
The most frequent cause for the warning light for airbags to flash is corrosion or loose connections in the sensor. This could be due to wear and tear, aging or exposure to moisture and salt. This issue needs to be addressed as soon as you can, because an airbag malfunctioning could pose danger in the event in the event of an accident.
If you find the error "card not found" on your Peugeot, the key battery inside the key fob may be dead or weak. This will stop the key fob sending a signal to disable the vehicle's immobilizer. Try this by pressing the unlock key on the fob's key, then trying to start your car. If this doesn't work then the battery on the key needs to be replaced.