Peugeot 308 Key Fob Problems and How to Fix Them

If your Peugeot key fob suddenly stopped functioning, it could be because of a dead battery in the coin-cell unit, water damage, receiver module problems, or a damaged chip. Fortunately, all of these are simple to fix and you'll have your vehicle back to normal in no time!

Car keys can also get damaged because the key blade gets worn. It is easy to solve this issue by visiting your local Car Key Man Auto Locksmith to replace the blade.

Battery

The key fob inside your Peugeot 308 may die or become weak enough to not send a powerful signal. The key fob might be inoperable and prevent you from locking or unlocking your doors or even starting the engine. To fix this issue, you'll have to replace the battery inside your key fob.

You can buy a brand new battery at an auto parts store, or at your local hardware store. Make sure that the battery is brand new and has not sitting on the shelf too long. A new battery has more capacity and will send a stronger signal to your car.

After replacing the battery, try unlocking the doors and locking them using the key fob. If the doors aren't unlocking it's possible that the receiver module in the car is the cause. Your local Peugeot dealer can reprogramme the receiver module.

It's possible that the chip inside your key fob has been damaged. You could harm your key fob if you drop it on the ground or expose it to water. The rubber seals that protect the chip from moisture could become worn down over time particularly if the key fob is exposed to water for prolonged periods of time, such as submerging it in the ocean at the beach. To stop this from happening, you must keep your key fob safe from moisture and not let it come in contact with water.

Water Damage

If your key fob gets wet, whether you tossed it into the pool or threw it into a puddle, don't think it's a lost cause. While the key fob comes with rubber seals which should shield it from water, long-term exposure to water could cause damage to the electronic chip. Because water is an excellent conductor so any water that is able to get inside the key fob could create a series of short circuits that eventually destroy the chip. After removing the batteries, clean the contacts with isopropyl and dry them completely before putting them back in.

Your peugeot key 308 may not start because of the battery being dead. Jumper cables are a fantastic option to restart the engine if you have an additional vehicle. If the battery is damaged and needs to be replaced, it should be replaced.

Another possible cause is a bad receiver in the vehicle, which may prevent it from receiving a signal from the key fob. The key fob might be damaged or there could be a problem with the antenna, wiring, or the key fob itself. It could be necessary to program a new fob into your vehicle if using one. If you are unable to fix the problem, contact a professional technician. A technician who is trained in the field will be able diagnose the problem quickly, and fix the issue immediately.

Radio Interference

Signs like key fobs that are not recognized or having a limited range usually indicate that there is interference in the system. It is either radiated or conducted, with the former resultant from power supply cables and the speaker wiring being too close to electrical components. In general, rerouting cables and moving them away from these components will resolve the issue.

It's unlikely that someone is watching the key fob's signals to steal your car, but it is possible that the signal is being distorted by radio frequency interference. Fortunately, this is easy to fix.

If your key fobs that aren't recognized, try using a new battery. Also, ensure that the battery you are using is the right type and size. Batteries that are not of the correct size can cause damage to your device.

Some aftermarket alarm systems and radar detectors operate on the same radio frequency as your key fob, and can cause them to interfere with your key signals. It is recommended to avoid attaching these devices to your key fob.

Pairing Issues

The remote keyless entry system that is used in automobiles has a receiver that receives radio signals from the key fob. If the receiver has developed an issue, you will not be in a position to start your car regardless of whether the key fob works and can be reprogrammed. The issue could be caused by a variety of factors, including the dead battery in the coin and water damage. The receiver could also be malfunctioning due to a software issue or internal damage to the key.

The coin battery in your Peugeot 308 keyfob may have gone out of service. The battery can be easily replaced, however you must be sure it's the appropriate battery for the keyfob. It is recommended to use an item that has the same size in terms of voltage, size, and specifications as the original.

Your Peugeot 308 keyfob may not work if it has been associated with another vehicle. It is possible that you have accidentally given the key fob to someone else or it was used to unlock other vehicles. This can be solved by reprogramming the key fob with an OBDII scan. The scanner will usually ask you to provide certain details about your vehicle, like the VIN or engine type, so it is essential to enter it correctly.