Peugeot 308 Key Fob Problems and How to Fix Them
If your Peugeot 308 key fob has stopped working for a while, it could be due to a dead battery in the coin, water damage and receiver module issues or a damaged electronic chip. Fortunately, these issues are easy to fix and you'll have your car back to normal in no time!
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Battery
The key fob in your Peugeot 308 may die or become weak enough to not send a strong signal. This can cause the key fob to stop functioning, preventing you from opening and locking the doors, or even starting your engine. To fix this, you'll need to replace the battery in the 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 not stored on the counter for too long. A new battery has greater capacity and can transmit a stronger signal to your car.
After replacing the battery, try unlocking the doors and locking them using the key fob. If the doors won't unlock it's possible that the receiver module in the car is the cause. Your local Peugeot dealer can reprogramme the receiver module.
It's also possible that the key fob's internal chip is damaged. This could happen if you drop your key fob on the ground or expose it to water. Rubber seals that protect your chip from moisture could become worn out over time. This is especially the case when you expose your key fob to water over long periods of time, for example, swimming it in the ocean. To prevent this from happening, it's essential to keep your key fob safe from moisture and to never let it come in contact with water.
Water Damage
If your key fob gets wet, whether you dropped it in the pool or threw it into a puddle, don't assume it's a loss. While the key fob comes with rubber seals to protect it from water, long-term exposure to water may result in damage to its electronic chip. Water is a great conductor, and any water that gets inside the key fob will cause an array of short circuits that eventually destroy the electronic chip. After removing the batteries, clean the contacts with isopropyl and dry them completely before putting them back into.
A dead battery may be the reason that your Peugeot 308 won't start. If you have an extra vehicle, jumper cables may be used to get the engine running again. If the battery has a problem the battery must be replaced.
A bad receiver in the car could also block it from receiving the signal from the keyfob. It could be a issue with the antenna or wiring, or the key fob could be damaged. It may be necessary to program a new fob into your vehicle if using one. If you cannot fix the problem yourself, contact a professional technician. A skilled technician will be able to determine the issue quickly and fix it immediately.
Radio Interference
Signs like key fobs not being recognized or with a limited range typically indicate that there is a problem in the system. This is either radiated or conducted, with the latter resultant from power supply cables and the speaker wiring being too close to electrical components. Generally, rerouting the cables or moving them away from the components may resolve the issue.
peugeot 207 replacement key cost G28 that someone is watching your key fob's signals in an attempt to steal your car, but it's possible that radio interference has drowned out the signal. This is a simple issue to resolve.
If your key fob is not being recognized by the system, you can try replacing the battery. Also, make sure that the battery you are using is the correct size and type. Incorrectly sized batteries could harm the fob.
Certain alarm systems and radar detectors use the same radio frequency as your key fob and could cause them to interfere with your key signals. Avoid connecting these devices to your key fob.
Pairing Issues
The remote keyless entry system of automobiles has an antenna that receives radio signals from the key fob. If the receiver has developed problems, you won't be able to start your car, even if the key fob is working and is changed. This problem can be caused in a number of ways, such as the battery of the coin-cell being dead or water damage. The receiver could also be failing because of a software bug or internal damage to the key.

One of the most frequent reasons for why your Peugeot 308 key fob isn't working is because the coin battery inside has gone out of service. This battery can be replaced, but be sure it's the appropriate battery for the keyfob. It is best to use a battery that is the same size, voltage, and specification as the original.
Your Peugeot 308 keyfob may not function if linked to an unrelated vehicle. This can happen if have given your key fob to a friend or if the key has been used to unlock and begin other vehicles. This can be resolved by reprogramming the fob using an OBDII scanner. This tool will request information about your vehicle, for example, its VIN or engine type. It is crucial that you enter the correct information.