Peugeot 208 Key Replacement
It is better to leave the replacement of Peugeot keys 208 to auto locksmiths who have the equipment and skills. They will be able to make and program new keys faster than a dealership would and at a lesser cost.
If the key fob has stopped locking or unlocking your doors it is likely due to a dead coin battery. There are also other reasons why the key may be malfunctioning.
Dead Coin Battery
A dead coin battery can prevent your Peugeot 208 from locking or unlocking, and won't start the engine. In this instance you'll need make use of the alternative method for starting as described in your vehicle's owner's manual.
Another reason your 208 might not be starting is because the spark plugs have been damaged. The spark plugs ignite fuel to start the engine. They only last for a certain amount of time. They'll eventually break down if they're not used enough.
There is a straightforward solution to this issue. Check the voltage of the battery with a multimeter. If the voltage is lower than 11,5 volts, then it's time to replace it. If the battery has corrosion, it is important to clean its contacts. This can be done by lifting the rubber covers that cover the two terminals of the battery and using wire brushes to clean any parts that are corroded from the battery. Then, you should connect the cables for the positive and negative poles.
Water Damage
If your 208 won't turn on and the battery isn't flat, then you need to make sure whether the spark plugs are functioning. You might find that they're dirty and do not spark. The spark plugs can be cleaned in the workshop.
Peugeot cars use transponder keys that integrates with the car's immobiliser system. This ensures that only the correct key is able to turn the engine. If the chip inside the Peugeot key is damaged, it won't transmit the correct signal to the vehicle.
Water damage is the most common cause of this issue. This is a frequent issue in more cold climates where the car has been exposed to rain or snow. In this case, contact a reliable locksmith who has the necessary tools and equipment to change the key's programming. They will also have the latest technology and machinery required to make a Peugeot smart key. peugeot 307 key replacement G28CarKeys than 15 minutes.
Faulty battery contacts
Peugeot changed from the old carbon encased transponder chips to an entirely new type of chip that uses electronic components in circuit boards. This new system works well when it's new, however, over time, the circuit boards begin to deteriorate and stop working properly.
This could stop the immobiliser from activating so your vehicle won't be able to start. If this happens, it's a good idea call a Peugeot specialist or locksmith.
Another issue that is common is when the key fob battery is dying, this causes the key blade to stop being able to feed into the lock. A car locksmith can replace the battery and cut a new blade for you, it's generally a quick fix.
Faulty Receiver Module
It could be that the receiver module is defective If your Peugeot key fob stops working after being dropped on the floor, or exposed to a sudden storm or accidentally washed. The receiver module is responsible for transmitting radio frequency to the onboard computer which controls the central locking system of your Peugeot vehicle.
The rubber seals on the key fob stop water from reaching its electronic chip. However prolonged exposure to water could penetrate these seals and damage the chip. Submerging the key fob in ocean water at the beach or throwing it into the pool can be particularly damaging due to the high salt content.
The module will have to be replaced if the Peugeot spare key no longer works. This should be done by a Peugeot specialist or a professional auto locksmith. Unlike other cars, Peugeot keys are protected by an unique immobilizer system that requires the correct coding for the start of the engine. It is for this reason that you should only trust an authorized Peugeot locksmith to create and program an alternative.
Computer with a problem on board
The computer on board of your Peugeot is responsible many systems in your car, including airbags and power windows. When something goes wrong with these systems, it will usually display a code indicating the problem. This code is saved in the system and will remain there until the issue has been resolved. Usually, this will mean replacing the onboard computer.
The most common cause of the warning light of the airbag to come on is corroded or loose connections in the sensor. It can be due to wear and tear, aging, or exposure to salt and moisture. It is crucial to get this issue addressed as quickly as possible, since a malfunctioning airbag can be dangerous in the event an accident.
If your Peugeot is showing a card detected as not present error, the battery inside the key fob might be dead or weak. This will prevent the key fob from transmitting a signal that will disable your vehicle's standard immobilizer. Test this by pressing the unlock key on the key fob and then trying to start your vehicle. If this fails then the battery in the key must be replaced.