The No. #1 Question Everybody Working In Peugeot 308 Key Fob Should Be Able Answer

The No. #1 Question Everybody Working In Peugeot 308 Key Fob Should Be Able Answer

Peugeot 308 Key Fob Replacement

Peugeot's 308 might seem a little old but it's still striking. It's not the most luxurious vehicle in its class, but it's an enjoyable and relaxing drive.

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

Water Damage

If you accidentally drop your key fob in a puddle, or if it is soaked while kayaking, canoeing, rafting, or canyoning the fob is most likely to be damaged by water. Keep your key fob in a dry bag every time you go outdoors or do activities that expose it to large amounts of water.

It's also important to make sure the fob has completely dried out prior to opening the fob and then use it. If  peugeot 206 key replacement  detect any odors emanating from the fob (such as industrial liquid or windshield washer fluid) It's another indication that it's been submerged.

A wet circuit could cause the battery's charge to be drained or even explode. If you're able to pull your 308 key fob out from the body of water it was stuck in turn the button upside down and shake it out as much water as possible before opening the case. When you've opened it, take out the battery and clean the circuit board with an alcohol-soaked cotton swab. 90-percent isopropyl alcohol.

Other reasons your Peugeot 308 remote entry keyless system might not work could be due to a dead coin-cell battery or receiver module malfunction signal interference, or a malfunctioning chip. If none of the above is the issue, you can reset the system by disconnecting 12 volt battery from your vehicle for 15 minutes.

Dead Coin Battery

Peugeot cars come with a remote start system that allows the driver to start the car from afar while warming up or cooling down the vehicle prior to stepping inside. This feature is extremely beneficial especially during the cold winter months. Remote start systems may cease to function for a variety reasons, such as the battery being dead.

A coin-shaped battery that is located inside the key fob will last a time of two to four years, depending on how often it is used and the location where it was purchased. The date for use-by will be written on the packaging or in the user's manual.

If the key fob stops working after exposure to clean tapwater, take out the battery and clean the electronic chip with a paper towel soaked in isopropyl ethanol. Then dry the chip thoroughly before replacing it. If the key fob has been exposed to soapy or salty water, it may have caused the chip to be damaged. It is recommended to replace it.

If you're unsure if the battery is defective, you can check its voltage with a multimeter that is connected to both the terminals plus and minus. If the voltage is lower than 12-13 volts you should replace the battery. You can also reset your 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're not receiving the "Key Detected" message on your dashboard, it's possible the receiver module has discovered a problem. It's the component which sends out the signal when your key fob is activated. It also functions as an alarm that stops the vehicle from starting without the correct key.

This could be caused by many factors, including water damage or just getting old. If your Peugeot 308 key fob was exposed to dirty tap water, for example the chip that is located on the inside will be damaged. In this scenario you'll have to take it apart and thoroughly clean it with isopropyl alcohol or an electronic cleaner. When the battery is dry then you can try again.

If the issue isn't resolved then it's a good idea to visit a local Peugeot specialist or locksmith. They can utilize a diagnostic tool in order to pinpoint the problem and repair it.

The loss of your Peugeot car keys can be an extremely stressful experience. However, a qualified auto locksmith can solve the issue in just a few minutes. They can program your vehicle and cut a new functioning key for you. Click here to find locksmiths near you.

Faulty Electronic Chip

The electronic chip in the Peugeot 308 key fob plays a vital part in the remote control system. If it is damaged your car may not start or you might receive a message stating "anti-theft active". If this occurs, the only option to fix the problem is to get a new key. Luckily, auto locksmiths who are professionals can complete the task in the shortest amount of time.

The chip inside the chip of your Peugeot 308 key fob can fail due to water damage, sweat dirt, or any other cause. If your Peugeot 308 key fob has been exposed to soapy water, it is recommended to clean it immediately. You can clean the electronic component with a paper towel soaked in isopropyl Alcohol. The battery must then be allowed to dry completely.

Radio interference can cause the key fob to stop functioning. This could be caused by other devices operating at the same frequency as your Peugeot key fob. This can be caused by unsafe conditions or objects that are within the vicinity of the vehicle. If you experience this problem, it is best to visit the Peugeot dealership.



The Peugeot 207/308 key fob is very delicate and requires special care. It is not recommended to drop it or throw it around. If you lose it, try to locate it as quickly as is possible. You can reset all the on-board computers by disconnecting the battery that is 12 volts for a short period of time. Be sure to disconnect the negative cable first before connecting the positive.