All The Details Of Remote Car Key Repair Dos And Don'ts

· 5 min read
All The Details Of Remote Car Key Repair Dos And Don'ts

Car Key Replacement Services

When your car key fob remote stops working it can be a frustrating and annoying. Fortunately, many locksmiths for automotive and dealerships provide replacement car keys services that can get your key back to working properly.

Before rushing to the dealership or a locksmith professional try a few easy steps at home first.

Keys stolen or lost

If you dropped it in the car, put it on the counter when you ran to the store for groceries, or simply lost it or lost your key fob is a big hassle. The majority of these issues can be easily solved by you even if you're not an expert. It is possible that you need to change the battery, or the fob may be missing the pairing information. Both of these problems can be easily fixed.

Modern cars are equipped with remote control keys that communicate with the vehicle via a special radio frequency. When the fob is in use it sends out an alert that allows you to lock and unlock the car from a distance, as well as start the engine. The fob is not a mechanical key. You can't cut it in an establishment that makes hardware and use it to open your car. The newer fobs have transponders that need to be programmed for your car to allow keyless entry function.

The most common problem with car fobs is when it loses its connection with the vehicle. This could happen if the battery goes dead or if there's an electrical failure. Consult your owner's guide for instructions. While the majority of modern cars can be reset and re-pair the pairing, you must also refer to the manual. If reseting the fob doesn't solve the issue the fob will need to be reprogrammed, which typically requires a trip to a dealership or automotive locksmith.

The cost of purchasing a replacement fob could be expensive, and it takes several days for the dealer to get it and program it. Certain insurance policies cover the cost of a replacement, but if yours doesn't it's still worth getting in touch with your vehicle's manufacturer or a local locksmith to discuss getting the fob replaced. You can save time and money by having a locksmith create copies of the key in-person. A locksmith can also cut you new keys and replace the existing transponder chip. The new one will require synchronization to your car's receiver module.

Bad Battery

Modern car remotes are very convenient, and they can be a safer method to start a vehicle. However, when they stop working they can be frustrating. This is usually a problem that can be solved by replacing the battery in the key fob.

Most modern remote key fobs make use of lithium coin cell batteries with ion. They are quite affordable and do not have a limit in time, however they do have a limit to how long they last. The battery of a remote key may wear out faster than normal if it is frequently used. This could be due to being pushed or pressed hard or exposed to moisture, which could cause corrosion.

A worn out or dead battery is the most common reason for a car key not responding correctly. If your remote key is not working, you must check this first. Often, this will fix the problem, but if not, it is time to purchase a new battery.

Most of the time, the battery is damaged due to corrosion or oxidation. It could also give off acidic fumes or leaking acid from the battery. This can cause weak connections between the battery's terminals. It is possible to fix this by removing the battery and cleaning the contacts using a baking soda solution and water. After the cleaning, you can put the connectors back in place and then test the remote again.

When you're checking for the battery for dead or dying, it is also good to see the buttons that have stopped functioning. This could be a sign that there is a more serious issue with your remote and you will need to contact an expert to fix it. A specialist can inform you if the remote is repairable or needs to be replaced. They can do this immediately with an onboard procedure or connect to your car's OBD2 port to program the new key fob in an efficient and safe method.

Bad Transponder Chip

The chip inside your car keys transmits a unique code to the car's computer, similar to how the remote control for your garage door transmits signals to its receiver to allow it to close or open. The car is informed that it is the right owner and prevents anyone from running the engine without authorization.

One of the first signs that the chip in your transponder has gone bad is when you try to start your car, but it refuses. This could be due to many reasons, but is typically an indication that you require an entirely new key.

Another common sign that a transponder chip gone bad is when your car won't lock using the key fob. If this happens, you'll need to manually lock your doors instead. This can be a hassle and unaffordable, particularly in the event that you have already locked out of your vehicle.

The transponder could cease to function If the battery inside the fob's battery is depleted. Over time, the battery will gradually lose its charge. Always keep an extra fob for your key in case you can replace the battery if needed.

There are a variety of other issues that can occur with a car's transponder chip, but the ones listed above are the most prevalent. Contact an auto locksmith as soon as you can if your key fob's battery is dead or if the transponder chip is malfunctioning. They can either reprogram the key or replace it completely depending on what is needed. A Queen Creek auto locksmith will be able to identify the issue and provide a reliable solution. They are usually more cost-effective than taking your car to a dealership.

Lost or Corrupted Pairing

It's not uncommon to see your car's key fob to lose function in time. There are a few simple solutions you can try to make your remote work again.

You should first try to lock and unlock your vehicle with an alternative key. This will ensure that the fob is not the issue, and will also eliminate the possibility of a mechanical issue with the locks in the event that it is found to be an electrical issue.


Often, car key fobs just need to have their battery replaced. It's not expensive to replace the batteries and you don't require any special equipment.

It is important to use the right type of battery. Most automotive fobs are made to accept CR2025 or CR2032 batteries, but some may use other kinds. If you're not certain of the kind of battery your remote uses you can look up the label or examine the inside of. The battery will have a code stamped or printed on it. You can also make use of a multimeter to determine the voltage.

Another solution is to try a new pair of batteries. Sometimes, the batteries in a fob can be worn out or corroded over time and replacing them could restore the functionality of the remote.

If the battery change doesn't work, you can clean your fob, and make sure that all buttons are working. The car key fobs are not indestructible and can get dirty when they're used in pockets or purses. In some instances, taking out the buttons and then flexing in and out of them could bring your remote back to life.

If you've tried every step in this list, but your car key fob isn't working, you'll likely require it to be reprogrammed.  repair car key remote  will do this and can offer you the new one or a reconditioned one if needed.