Peugeot 308 Key Fob Replacement

peugeot replacement key fob's 308 is slightly old, but it is still striking. It's not the most luxurious vehicle in its class, but it is an enjoyable and relaxing drive.

We often get asked at Coded Car Keys to replace peugeot key fobs. No matter if the issue is intermittent or constant the following tips will aid.

Water Damage

If you leave your fob in a puddle or get it wet during kayaking, swimming, canoeing, rafting, or canyoning, it's more likely to be damaged by water. Keep your key fob in a dry container whenever you go outdoors or do activities that could expose it to excessive water.

It is also important to make sure that the fob is completely dry prior to opening it and reusing it. If you notice any odors coming from the fob, such as an industrial-type smell or a sour taste like windshield washer fluid, this is another sign that it's submerged in water.

A wet circuit board can cause the battery to lose its charge or even explode. If you're able to fish your 308 key fob out of the water in which it got stuck in, flip the button side down and shake out as much water as you can before opening the case. Take the battery out, and then wipe the circuit board clean with a cotton swab, which has been submerged in 90 percent alcohol.

Other reasons why your Peugeot 308 remote entry keyless system may not function include a dead coin-cell battery or receiver module malfunction signal interference or a damaged chip. If none of these is the problem, you can try resetting the system by disconnection of the battery with 12 volts for approximately 15 minutes.

Dead Coin Battery

Peugeot cars are equipped with remote start that allows drivers to start their vehicle from a distance, allowing them to warm up or cool down the vehicle prior to entering. This feature is extremely useful, especially during cold winter months. Remote start systems can cease to function for a variety reasons, including the battery being dead.

The coin-shaped battery located inside the key fob can last between two and four months, depending on how often it's used, where it was purchased, and the way it is used. The date of use is usually printed on the packaging or written in the manual.

If the key fob is no longer functioning after being exposed to clean tapwater, remove the battery and clean the electronic chip with the help of a paper towel that has been soaked with isopropyl ethanol. Then dry the chip thoroughly before replacing. In the event of exposure to salty or soapy water, the chip might be damaged and you'll have to replace the key fob altogether.

If you are not sure the battery is in good condition it is possible to test the voltage with an instrument set to the car's voltage range. Connect it to the minus and plus terminals. If the voltage is lower than 12-13 volts, then it is time to replace the battery. You can also reset the computer that is onboard by disconnecting and reconnecting the 12 volt batteries in reverse order. (positive cable first then negative cable). The engine should start after this.

Faulty Receiver Module

If you don't see the "Key Detected" message, it could mean the receiver module malfunctioning. It's the component that sends an alert to the car when your key fob is activated which acts as an immobiliser and prevents it from starting unless the key that you want to use is present.

This can be due to several causes, such as water damage or simply ageing. If your Peugeot 308 key fob was exposed to dirty tap water, for instance, the electronic chip inside is damaged. In this case you will have to remove it and clean it thoroughly using isopropyl or an electronic cleaner. When the battery is dry then you can try again.

If the problem persists it is a good idea to consult the local Peugeot expert or locksmith. They can employ the diagnostic tool to pinpoint the problem and repair it.

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Faulty Electronic Chip

The electronic chip inside your Peugeot 308 key fob is a very important component of the remote control system. If the chip is damaged, you could have problems starting your car or get a message saying "anti-theft". If this occurs, the only way to fix the problem is to get a new key. Professional auto locksmiths are able to offer the service in the shortest time.

The chip in your Peugeot 308's key fob may become faulty for different reasons, such as sweat, water damage, or dirt. If your Peugeot key fob has been exposed soapy or dirty water, it needs to be cleaned as soon as possible. You can wipe the electronic component with a paper towel soaked in isopropyl Alcohol. The battery should be allowed to dry completely.

Sometimes keys can be inoperable due to radio interference. This could be caused by other devices operating at the same frequency as your Peugeot key fob. It can also be caused by weather conditions or objects in the vicinity. If you experience this problem you should visit a Peugeot dealership.

The Peugeot 207/308 key fob is very delicate and requires care. It is not recommended to drop it or throw it around. If you lose something, try to locate it as quickly as you can. You can reset the onboard computer by disconnecting the battery for a few minutes. Disconnect the negative cable before the positive.