Peugeot 308 Key Fob Replacement
Peugeot's 308 may be slightly old, but it is still striking. It's not the most luxurious car in its class, but it is an enjoyable and comfortable driving experience.
We are often asked at Coded Car Keys to replace peugeot key fobs. If the issue is constant or intermittent the following suggestions should help.
Water Damage
When you accidentally leave your fob in the midst of a puddle or splash it with water when kayaking, swimming, canoeing, rafting, or canyoning, it's likely to suffer water damage. Keep your key fob in a dry, dry bag each time you go outdoors or do activities that could expose it to a lot of water.
You'll also need to make sure that the fob is dry before opening it up and re-using it. If you notice any smells emanating from the fob (such as industrial fluid or windshield washer fluid) it is a indication that it's submerged.
A circuit that is wet can cause the battery's charge to be drained or even explode. If you're able to pull the 308 key fob from the body of water it got stuck in then flip the button side down and shake out as much water as possible before opening the case. Once you have opened it, take out the battery and wipe the circuit board with a cotton swab dipped in 90-percent isopropyl alcohol.
Other reasons why your Peugeot 308 remote entry keyless system might not work include a dead battery in the coin-cell or receiver module issues signal interference, or a faulty chip. If none of these are the problem you can reset the system by disconnecting the 12 Volt battery from the car for 15 mins.
Dead Coin Battery
Peugeot cars come with remote start which allows drivers to start their car from some distance, which allows them to warm up or cool down the vehicle before entering. This feature is extremely useful particularly in cold winter months. Remote start systems can cease to function for a variety reasons, such as a dead coin-battery.
A coin-shaped battery in the key fob has a lifespan of between two and four years, depending on how often it's used and the location where it was purchased. The date for use-by is typically found on the packaging or marked in the manual.
If the key fob has stopped working after exposure to clean tap water and you want to take the battery off, clean the electronic chip with a paper towel and isopropyl alcohol, and then dry it completely before replacing it. In case of exposure to salty or soapy water, the chip might be damaged and you'll need to replace the key fob completely.
If you're not sure whether the battery is defective you can check its voltage with a multimeter attached to both the terminals for plus and minus. The voltage should be around 12-13 volts, but if it's lower, the battery should be replaced. Alternately, you could attempt to reset the onboard computer by disconnecting the battery with 12 volts for a few minutes, and reconnecting it in reverse order (positive cable first and then negative). The engine should now start.
Faulty Receiver Module
If you're not receiving the "Key Detected" message on your dashboard, it's possible that your receiver module has created a fault. It's that part that sends an alarm to the car when your key fob is activated that also acts as an immobiliser. It stops it from starting until the key that you want to use is present.
This could be due to a range of causes, such as water damage or simply ageing. If your Peugeot 308 key fob has been exposed dirty tap water, for example the electronic chip inside is damaged. In this scenario you'll have to take the unit apart and clean it thoroughly with isopropyl or electronic cleaner. Once the battery has dried, you can try again.
If the issue continues to persist, it is recommended to see an area Peugeot expert or locksmith. They'll be able use a diagnostic tool to identify the issue and repair it for you.
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Faulty electronic chip
The electronic chip that is in the Peugeot 308 key fob is a critical part in the remote control system. If the chip is damaged, you may have problems starting your car or get a message saying "anti-theft". In this situation, the only solution is to replace the key. Auto locksmiths who are professionals are able to provide the service within the shortest possible time.
The chip inside your Peugeot 308's key fob may become faulty for various reasons, such as water damage, sweat or dirt. If your Peugeot key fob has been exposed soapy or dirty water, it needs to be cleaned immediately. You can wipe the electronic component using an absorbent paper towel that has been soaked in isopropyl Alcohol. Then, you need to let the battery dry completely.
Sometimes keys can cease to function due to radio interference. This can happen when other devices operate on the same frequency as your Peugeot keyfob. This could be due to bad conditions or objects near to the vehicle. If you experience this issue it is advised to visit the Peugeot dealership.
The Peugeot 207/308 Key Fob is delicate and requires special care. It is essential not to throw or drop the key fob. If peugeot expert key fob lose it, try to find it as quickly as possible. You can reset the on-board computer by disconnecting the battery for a few minutes. Be sure to disconnect the negative cable first, and then the positive.