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A Brief History Of Peugeot 308 Key Fob History Of Peugeot 308 Key Fob
Peugeot 308 Key Fob Replacement

Peugeot's 308 might be a bit old however it's still eye-catching. It's not the most luxurious vehicle in its class, but it is an enjoyable and comfortable driving experience.

Here at Coded Car Keys we are often asked to replace peugeot 308 key fobs. These tips can aid whether the issue is constant or intermittent.

Water Damage

If you happen to leave your fob in a puddle or get it wet while kayaking, swimming canoeing, rafting or canyoning, it's likely to be damaged by water. Keep your key fob in a dry container whenever you are outside or perform activities that could expose it to excessive water.

It's also crucial to ensure sure the fob has completely dried before you open the fob and then use it. If you notice any odors emanating from the fob such as an industrial-type liquid smell or windshield washer fluid, it's another sign that it's submerged in water.

A circuit board that's wet can cause the battery to discharge its energy or even explode. If you are able to get your 308 keyfob out of the water, turn the button side up and shake as much water out as you can prior to opening the casing. Take the battery out, and then clean the circuit board using a cotton swab which has been submerged in 90 percent alcohol.

Other reasons why your Peugeot 308 remote entry keyless system may not work include a dead battery in the coin-cell, receiver module problems signal interference or a damaged chip. If none of these causes the issue, try resetting the system by removing the battery at 12 volts for around 15 minutes.

Dead Coin Battery

Peugeot cars come with a remote-start system which allows the driver to start the car from afar while warming up or cooling down the car prior to entering. This feature is extremely useful especially during the cold winter months. But sometimes, the remote start system stops functioning due to a variety of reasons, including the battery in the coin is dead.

A coin-shaped battery located inside the key fob has a lifespan of two to four years, based on how often used and where it's purchased. peugeot key replacement for use-by is typically written on the package or in the manual.

If the key fob is not functioning after exposure to clean tap water then you must remove the battery, clean the electronic chip with a paper towel and isopropyl ethanol, then dry it thoroughly before replacing it. In case of exposure to soapy or salty water, the chip may be damaged and you'll need to replace the key fob in total.

If you're unsure if the battery is in good condition you can check its voltage with a multimeter set to your car's voltage range and connected to the minus and plus terminals. The voltage should read approximately 12 to 13 volts, but if it is lower, then the battery needs to be replaced. You can also reset the computer onboard by disconnecting and reconnecting the 12 volt batteries in reverse order. (positive cable first, then negative cable). The engine should start.

Faulty Receiver Module

If you don't see "Key Detected" you might find the receiver module malfunctioning. It's that part that sends an alarm to the car when your key fob is activated which acts as an immobiliser. It stops it from starting until the key that you want to use is present.


This could result from a variety of causes, such as water damage or simply the aging process. If your Peugeot 308 key fob has been exposed dirty tap water, like the electronic chip inside the device will be damaged. In this case you'll have to take the unit apart and clean it thoroughly with isopropyl alcohol or an electronic cleaner. Once it's dry, you can put the battery back in and test it again.

If the issue isn't resolved, it's probably a good option to consult a local Peugeot specialist or locksmith. They can employ an instrument for diagnosing to identify the issue and repair it.

Losing your Peugeot car keys could be an incredibly stressful experience. However, a reputable auto locksmith can fix the issue in only a few minutes. They can program your car and cut a brand new, working key for you. Click here to locate a locksmith in your area.

Faulty Electronic Chip

The chip in the Peugeot 308 key fob plays a vital role in the remote control system. If the chip is damaged, you could experience difficulties starting your vehicle or get a message saying "anti-theft". If this happens, the only way to fix the issue is to get a new key. Auto locksmiths with experience are able to offer the service within the shortest possible time.

The chip inside the key fob of your Peugeot 308 could fail due to various reasons, such as water damage, sweat or dirt. If your Peugeot key fob was exposed to soapy or dirty water, it needs to be cleaned right away. You can use a paper towel and isopropyl alcohol to clean the electronic component. The battery should be allowed to completely dry.

Radio interference can cause the key fob to stop working. This could be caused by other devices that operate at the same frequency as your Peugeot key fob. It can also be caused by weather conditions or objects around the vehicle. If you experience this problem it is recommended to visit the Peugeot dealership.

The Peugeot 207/308 Key Fob is delicate and requires special care. It is essential not to drop or throw the key fob. If you lose it, try to locate it as quickly as possible. You can reset the onboard computer by disconnecting the battery for a few minutes. Unplug the negative cable prior to the positive.