Why is my remote start suddenly not working?
Remote start systems are a convenient feature that allows you to start your car from a distance, especially during extreme weather conditions. However, when your remote start suddenly stops working, it can be frustrating and inconvenient. In this article, we’ll explore the common reasons why your remote start might fail and provide tips on how to troubleshoot the issue.
1. Dead or Weak Key Fob Battery
The most common reason for a remote start failure is a dead or weak battery in your key fob. Over time, the battery in your key fob can lose its charge, preventing it from sending the necessary signal to your car.
- Check if the key fob’s LED light (if present) is dim or not lighting up at all.
- Replace the battery with a new one, ensuring it matches the required specifications for your key fob.
- Test the remote start again after replacing the battery.
Replacing the battery is a simple fix that resolves the issue in most cases. If the problem persists, consider other potential causes.
2. Faulty Hood Sensor
Many vehicles with remote start systems are equipped with a hood sensor as a safety feature. If the hood is open or the sensor is malfunctioning, the remote start will not activate.
- Inspect the hood to ensure it is fully closed.
- Check the hood sensor for dirt, damage, or misalignment.
- Clean or adjust the sensor as needed, or replace it if it’s defective.
A faulty hood sensor can often be overlooked, but it’s a critical component of the remote start system’s safety mechanism.
3. Car Battery Issues
Your car’s battery plays a vital role in powering the remote start system. If the battery is weak or dead, the system may not function properly.
- Check the car battery’s voltage using a multimeter. A healthy battery should read around 12.6 volts when the car is off.
- If the battery is low, try jump-starting the car or charging the battery.
- Consider replacing the battery if it’s old or unable to hold a charge.
Ensuring your car battery is in good condition can prevent remote start issues and other electrical problems.
4. Remote Start System Lockout
Some remote start systems have a lockout mode that activates under certain conditions, such as multiple failed start attempts or if the car detects a security breach.
- Refer to your vehicle’s owner’s manual to understand the lockout conditions and how to reset the system.
- Try locking and unlocking the car using the key fob to reset the system.
- Ensure all doors, the trunk, and the hood are securely closed.
Resetting the system can often resolve lockout-related issues and restore remote start functionality.
5. Software or Programming Issues
Modern vehicles rely on software to operate remote start systems. A glitch or outdated software can cause the system to malfunction.
- Check for any software updates for your vehicle’s system. These updates are often available through the dealership.
- If you recently replaced the key fob or remote start module, ensure it has been properly programmed to your vehicle.
- Consult a professional technician if reprogramming is required.
Software issues may require professional assistance, but they are typically straightforward to resolve with the right tools and expertise.
6. Aftermarket Remote Start System Problems
If your remote start system was installed as an aftermarket feature, compatibility or installation issues could be the culprit.
- Verify that the system is compatible with your vehicle’s make and model.
- Inspect the wiring and connections for any loose or damaged components.
- Contact the installer or manufacturer for troubleshooting support.
Aftermarket systems can be more prone to issues, so it’s important to ensure proper installation and maintenance.
Conclusion
When your remote start suddenly stops working, it’s essential to identify the root cause to restore functionality. Start with simple fixes like replacing the key fob battery or checking the hood sensor, and work your way through the other potential issues. If you’re unable to resolve the problem on your own, don’t hesitate to reach out to a trusted auto repair professional for assistance. At Kevin’s Autos, we’re here to help with all your car maintenance and repair needs!
Frequently Asked Questions
How do I reset my remote starter?
Press the Lock button on your remote car starter. Within five seconds of turning it on, turn your key back to the “off” position (or press the start button again). Repeat the on-off cycle three more times—you'll do four in total.
How do I activate my remote starter?
But available remote engines start lets you start your vehicle. And get it to a comfortable temperature without even being in the driver's seat. When your key fob is up to 197.
Why is my remote suddenly not working?
There are a number of reasons why your remote may not be working. The most common are physical damage, battery issues, pairing issues, or issues with the infrared sensor on the remote or TV.
How do I get my remote start to work again?
Does LOCK/UNLOCK work?
- Check/replace remote batteries. If your remote has USB port, plug it into a USB charger and then try again later.
- Check the remote antenna inside of your vehicle. Make sure that the connecting harness is fully secured.
- Try reprogramming your remotes.
Why would my remote start be disabled?
If the coolant temperature in your vehicle is too high or the oil pressure is too low, your remote start system will be disabled. Allow the vehicle to cool down for five to ten minutes and then recheck your coolant and oil levels. Add coolant or oil if necessary before trying the restart again.
Why did my remote stop working out of nowhere?
There are many reasons that make your remote not work. However, the most common reasons for a TV remote that is not working are battery issues, paring issues, or infrared sensor issues. Press the power button while pointing the remote control at your TV. Make sure the LED indicator on the TV blinks.
Why would my remote start suddenly stop working?
- Battery Issues : The most common cause is a weak or dying battery in the remote.
- Interference : Sometimes, electronic interference from other devices or signals (like radio towers or other car remotes) can disrupt the signal.
- Distance
- Key Programming Issues
- Mechanical Issues
- Environmental Factors
Why won't my key fob start my car anymore?
This is usually a sign the battery is running low and needs to be replaced, so start by replacing the battery. It is always easier to do this while the remote is still working. If this doesn't solve the problem, it may be due to interference with another vehicle or a faulty transmitter.
How long can a remote start last?
Any vehicle started with the remote engine starter can idle for a total of 20 minutes. Automatic engine shutdown occurs after 10 minutes, but the vehicle may be remotely started as many times as you wish for an additional 10 minutes.
Where is remote reset button?
Reset the remote: If the remote still isn't working, you can try resetting it. Look for a small reset button on the back of the remote or inside the battery compartment. Use a paperclip or a similar object to press and hold the reset button for a few seconds. Then, try pairing the remote with the TV again.
