7 Secrets About Fob Key Repair That No One Will Tell You
Key Fob Replacement and Repair
The key fobs found in modern automobiles perform a lot of work and are subject to a lot of abuse. Often just a simple repair or replacement is all you need to get them working again.
The majority of fobs are made with flat watch-style batteries that are easy to find in hardware stores and auto parts stores. Before calling a professional, you can do a few DIY fixes.
Dead Key Fob Batteries
The battery for the key fob power the remote function in your car and, with push-to start vehicles, permits it to start your engine. As a result, it is critical to maintain a healthy, working battery. A dead key fob can be an issue when you're traveling. A simple, low-cost replacement will solve the issue quickly.
The loss of range and signal strength are the most commonly observed indications that a battery on a keyfob is failing. You might also notice that the buttons on the key fob aren't working or require additional effort.
It is common to find a new key fob battery in the auto parts section of a large box retailer or online. Typically, they're CR2032 or CR2025 batteries that are available in packs of two or more. However it's a good idea to read the owner's manual before shopping for the right battery for your vehicle. key repairs require a particular size or type that is not always available at big-box stores. Be sure to research before purchasing.
The battery is usually located on the back of the key fob. It is removed using the flat-bladed screwdriver, by opening the case. It is usually shaped like a small coin and be labeled with the battery size. Make sure to note the orientation of the plus and minus signs in order to put the new battery in the correct place. After the replacement battery has been installed, gently snap the two pieces of the fob in place and test all of the buttons to make sure they function.
If your key fob doesn't work after replacing the battery, it may be deprogrammed. In this case it is likely that a locksmith will be required to assist. This will cost more than just replacing the battery of your key fob.
If your fob's battery is failing or you're experiencing other issues with your fob's battery, an experienced mechanic like one from YourMechanic can check and repair it to get you back on the road. Schedule an appointment to see all the services we provide in your area.
Weak Signals
If you notice that your key fob isn't responding to buttons on the remote, it could be a sign of a problem with the signaling. Your car and key fob rely on radio signals to communicate, therefore weak or inconsistent signals can cause poor performance and range.
Examining the battery level of your fob is a good idea as it can affect the sensitivity of the signal. Resetting the settings of the fob can also aid in restoring a consistent response. The procedure differs from vehicle to vehicle, so the owner's manual or a phone call to the help line of the manufacturer is likely to be the best guide here.
Other factors, such as interference from other devices operating on the same frequency, can also affect weak signals. Other key fobs and wireless communication devices may interfere with the RF (radio-frequency) signals that your key fob transmits to connect to the receiver of your vehicle.
The physical damage to your keyfob can also interfere with the transmission of radio signal, which can result in poor performance and range. A blown fuse, a broken or cracked button or a bent case of the fob could all affect the signal transmission and cause the remote not to function properly.
There are some simple steps you can try to and solve the issue of weak fob signals such as resetting the fob's settings, or replacing the battery. If your fob has become old and worn, it may be the right time to replace it.
Don't forget to use the spare remote that came with your car if your primary remote begins to fail. It's worth trying this option to determine if it resolves the issue before investing in a new one. If not, it might be the best time to consult an expert auto locksmith. They'll be able to identify the issue and suggest the most effective course of action.
Physical Damage
Key fobs may have issues occasionally. Fortunately, most of these problems are not complicated or a major issue and can be resolved with some simple steps. It's also a good idea to have spare batteries or an additional fob in case one of your keys ceases to function.
The most frequent cause for car keys not working is the battery is dead. These small devices rely on tiny lithium-ion coin or button batteries to function. These batteries are easily replaceable and can be found in most pharmacies and stores. You can open the case of the fob using a flat-headed screwdriver and gently pull out your existing battery. Ensure that it is not damaged or loose, and then put in the new battery. Most fobs require batteries that are CR2032. However, yours may require a different type.
The fob may also stop responding to the buttons when it loses its connection to the car. This can happen due to a number of factors, including changing the batteries, however it is typically a simple issue for an auto Locksmith or your local dealership to resolve.
If none of the solutions above work, you can try this trick: unplug the battery from the car and the fob for a few minutes, then reconnect the two in a reverse order. This can force a restart within the system and, in some instances, this alone will fix the problem without doing any of the other steps.
Keep the fob out of water or other sources of harm while you're playing around. A fob can be pretty sturdy, but you need to take care with it if you want it to last as long as possible.
If none of the troubleshooting procedures above help you, you may have to replace your key fob. If it's been dropped or tripped over, or exposed to other environmental hazards, it may be beyond repair and requires an upgrade. Find the best deal.
Lost Fob
Even with the best care keys for cars, they may fail to function. If you lose yours, it can be extremely expensive to replace it--especially if you don't have a spare. "You may end up spending $50 or more for an alternative from a dealer and get it programmed, plus an additional mechanical backup which will cost at most another $100," says Mel Yu, an automotive analyst with Consumer Reports.
One of the most frequent reasons for a key fob to stop working is a simple problem, such as an insufficient battery. Try changing the battery on your own if you know how or refer to the owner's manual. If this doesn't resolve the problem, you need to call in an expert.
A locksmith can help you replace or find your lost key fob. A locksmith will likely know why your fob stopped functioning in the first in the first place. If your car is a model older than the one you own and has no smart technology built-in, you can save some money by finding the key number plate that is on your existing mechanical backup key (it's usually hidden behind a decorative keychain ornament) and recording it in a secure location, such as your wallet or on your phone. This will make it much easier for a locksmith to reprogram the new key fob to your car if you ever need to do so.
If your key fob is an older smart key, it'll have to be deprogrammed by a locksmith or dealer. This could cost more than just replacing it. The reason is that modern key fobs use rolling-code encryption to stop thieves from getting into the car. This means that the locksmith has to be equipped with a specific software program that is available only to car manufacturers, which can increase the cost.
In the majority of cases, the whole service will be charged at the same time. This includes any costs for reprogramming a new keyfob. This could range from around $20 in some stores to more than $200 at car dealerships, depending on the vehicle.