5 Laws That Anyone Working In Peugeot 308 Key Fob Should Know

· 4 min read
5 Laws That Anyone Working In Peugeot 308 Key Fob Should Know

Peugeot 308 Key Fob Replacement

Peugeot's 308 might seem a little old, but it is still appealing. It's not the plushest car in its class - it's a Ford Focus or Volkswagen Golf will isolate you even better from sloping surfaces - however, it's a comfortable and civilised drive.

We are often asked at Coded Car Keys to replace peugeot key fobs. These tips can aid in solving the issue whether it is ongoing or intermittent.

Water Damage

If you leave your key fob in a pool or get it wet during kayaking, swimming, canoeing, rafting, or canyoning, it's likely to be damaged by water. The best way to prevent this from happening is to always keep it in a dry bag when you're out in the open or engaging in activities in which the fob may be exposed to high levels of water.

You'll also want to ensure that the fob is completely dry before opening it up and re-using it. If you detect any smells emanating from the fob such as an industrial-type liquid smell or the scent of windshield washer fluid, it's another indication that it's submerged in water.

A wet circuit could cause the battery's energy to drain or even explode. If you can remove the 308 keyfob from the water and turn it upside up and shake as much water out as possible before opening the casing. Once you have opened it, take off the battery, and then clean the circuit board using an abrasive soaked in 90 percent isopropyl alcohol.

Other reasons your Peugeot 308 remote keyless entry system may fail to function include an empty coin battery or receiver module issue signal interference, an electronic chip that is defective. If none of the above are the reason, you can reset the system by disconnecting a 12 Volt battery from the car for 15 mins.

Dead Coin Battery

Peugeot cars are equipped with a remote start system that allows the driver to start the car from a distance, warming up or cooling down the vehicle prior to getting in. This feature is extremely useful especially during the cold winter months. But sometimes, the remote start system stops working due to a variety of causes, such as the battery in the coin is dead.

The coin-shaped battery contained within the key fob may last between two and four months, depending on how frequently it is utilized, the place it was purchased, and the way it is utilized. The date of use is typically printed on the packaging or marked in the manual.

If the key fob has stopped working after being exposed water that is clean, remove the battery and clean the electronic chip using the help of a paper towel that has been soaked with isopropyl ethanol. Then, dry the chip thoroughly before replacing. If exposed to soapy or salty water, the chip might be damaged and you'll need to replace the key fob altogether.

If you're unsure whether the battery is damaged it is possible to check its voltage using a multimeter that is connected to both the minus and plus terminals. The voltage should range from 12-13 volts, but if it is lower, the battery should be replaced. If you want to, you can attempt to reset the onboard computer by disconnecting the battery with 12 volts for a short period of time, and then reconnecting it in reverse order (positive cable first, then negative). The engine should now start.

Faulty Receiver Module

If you don't see the "Key Detected", it could be that your receiver module is malfunctioning. It's the component that sends an alert to the car when your key fob is activated, which also acts as an immobiliser. It stops it from starting until the correct key is in place.

This could be due to a variety of reasons, including water damage or simply the aging process. If the electronic chip inside your Peugeot 308 keyfob is damaged due to dirty tap water it could be because the keyfob was exposed it. In this scenario you'll have to take off the battery and clean it thoroughly with isopropyl alcohol, or electronic cleaner. Once it's dry, you can put the battery back in and try it again.

If the issue persists, it is recommended to visit an area Peugeot expert or locksmith. They'll be able make use of a diagnostic device to identify the problem and fix it.

It is stressful to lose your Peugeot car key. A qualified auto locksmith will be able to solve the issue in a matter of minutes. They can program your car and cut a fresh, working key for you.  peugeot 108 key replacement  to find a local locksmith near you.

Electronic chip that is malfunctioning

The chip inside your Peugeot 308 key fob is an crucial component of the remote control system. If the chip is damaged, you may encounter issues starting your car or receive a message saying "anti-theft". In this instance, the only solution is to replace the key. Fortunately, auto locksmiths with experience can provide the service in the shortest time.

The chip in the chip of your Peugeot 308 key fob can become faulty due to sweat, water damage dirt, or any other cause. If your Peugeot key fob was exposed to dirty or soapy water, it needs to be cleaned as soon as possible. You can clean the electronic component with paper towels soaked with isopropyl Alcohol. After that, you should let the battery dry completely.

Sometimes, a key fob can cease to function due to radio interference. This can be caused when other devices operate on the same frequencies as your Peugeot keyfob. It could also be caused by bad weather or objects that are in the vicinity of the vehicle. If you experience this issue it is advised to visit an Peugeot dealership.


The Peugeot 207/308 Key Fob is fragile and requires special attention. It is crucial not to throw or drop the key fob. If you lose something, try to locate it as quickly as you can. You can reset all on-board computers by disconnecting the 12 volt battery for a few minutes. Make sure you disconnect the negative cable first before connecting the positive.