The thrill of driving a Jeep Cherokee is second to none, especially when you have the convenience of remote start functionality. However, if you’re a proud owner of a 2015 Jeep Cherokee and find yourself in a frustrating predicament with the remote start not working, you’re not alone. This article explores various aspects of the remote start system in your Jeep, diagnosing potential issues, and offering solutions to get you back on the road quickly.
Understanding the Remote Start System in the 2015 Jeep Cherokee
The 2015 Jeep Cherokee comes equipped with a sophisticated remote start system that allows drivers to preheat or precool their vehicles before getting inside, enhancing comfort and convenience. This feature is particularly beneficial in extreme weather conditions, making your driving experience much more enjoyable. However, like any technology, the remote start can face certain glitches.
How Remote Start Works
The remote start system operates through a series of components that communicate with each other to ensure that your vehicle starts on command. Here are the primary components involved:
- Key Fob: The primary tool for activating the remote start is the key fob, equipped with buttons that send signals to the vehicle.
- Receiver Module: Located in the vehicle, this module receives the signal from the key fob and activates the engine start.
- ECU (Engine Control Unit): It verifies that conditions are suitable for starting the engine remotely (like ensuring the car is in park and the hood is closed).
Despite this sophisticated setup, issues can arise that disrupt communication between these components, leading to a non-functional remote start.
Common Reasons for Remote Start Malfunctions
There are several reasons your 2015 Jeep Cherokee’s remote start may not be functioning as intended. Understanding these issues is your first step to resolving them.
1. Key Fob Issues
The most common culprit for remote start issues lies within the key fob itself. If your remote start isn’t activating, start here:
Dead Batteries
A weak or dead battery in your key fob can prevent the remote start from working. If the buttons feel unresponsive or require excessive strength to press, it might be time to replace the battery.
2. Vehicle Conditions
Remote start is designed to work under specific conditions. If these conditions are not met, the system will not engage. Here are the critical factors to check:
- Gear Position: The vehicle must be in park or neutral. If the gear is in drive, the remote start will not engage.
- Doors and Hood: All doors must be closed, and the hood must be securely latched for the remote start to function.
3. Faulty Receiver Module
If the receiver module is malfunctioning, it may not recognize the signal from the key fob. This could be due to poor connections or damage to the module itself.
4. Issue with the Engine Control Unit (ECU)
A malfunction in the ECU could also prevent remote start from working. If other systems controlled by the ECU are also malfunctioning, it may need to be inspected or reprogrammed.
5. Signal Interference
Sometimes, the issue can stem from external signal interference. If you are in an area with many electronic devices or structures, this can affect the communication between your key fob and the receiver.
Diagnosing the Problem
Before diving into potential fixes, it’s essential to diagnose the problem correctly. Here’s a step-by-step approach to figuring out what’s wrong with your remote start.
Step 1: Key Fob Check
Start by testing the key fob. Ensure it has a fresh battery and functions well with other vehicle operations like locking and unlocking the doors.
Step 2: Ensure Proper Conditions
Make sure the vehicle is in park, all doors are closed, and the hood latch is secure.
Step 3: Inspect the Receiver Module
If the key fob operates correctly and the conditions are right, you may need to check the receiver module. This can often require a visit to a professional mechanic unless you are comfortable inspecting wiring and connections yourself.
Step 4: Check the ECU
If other electronic systems in your Cherokee are exhibiting glitches, the problem may reside within the ECU. In such cases, professional diagnostic equipment will be necessary for an accurate assessment.
How to Fix Remote Start Issues
Depending on the cause of the problem, the solutions will vary. Here are some approaches to consider.
1. Replace Key Fob Battery
A simple fix that can yield immediate results is replacing your key fob battery. This process involves the following:
- Open the key fob using a small screwdriver or a similar tool.
- Replace the old battery with a new one, ensuring the correct orientation.
- Reassemble the key fob and test the remote start again.
2. Reset the Remote Start System
Sometimes, resetting the system can resolve minor glitches. To reset the remote start:
- Turn the ignition to the “ON” position without starting the engine.
- Press the gas pedal three times within ten seconds.
- Turn the ignition off and then try the remote start again.
3. Inspect Wiring and Connections
If you suspect issues with the receiver module, inspect the wiring and connections. Look for any loose or damaged wires. If you’re not experienced with automotive electrical systems, it’s best to consult a professional.
4. Consult a Professional Mechanic
If all else fails, visiting a certified Jeep or Chrysler mechanic is advisable. They have specialized equipment and knowledge to diagnose issues accurately and can reset or reprogram the ECU if necessary.
Preventative Measures to Avoid Future Issues
Once you’ve resolved the issue, it’s wise to consider some preventative steps to avoid facing the same problem in the future.
1. Regular Maintenance
It is crucial to perform routine maintenance on your Jeep Cherokee. Regular check-ups can help catch electrical issues before they escalate.
2. Keep Key Fob in Good Condition
Make sure to take care of your key fob. Avoid dropping it or exposing it to moisture. Store it in a dry place when not in use.
3. Educate Yourself on Remote Start Functionality
Understanding how your remote start system works can help you diagnose and solve issues faster in the future. Familiarize yourself with the owner’s manual for your 2015 Jeep Cherokee.
Conclusion
Experiencing difficulties with the remote start feature on your 2015 Jeep Cherokee can be frustrating, but it’s often a solvable issue. By understanding the system and diagnosing the underlying problem, you can bring back the convenience of remote starting your vehicle. Remember, while some fixes are simple and can be tackled at home, others may require the expertise of a professional mechanic. Keep your vehicle well-maintained and your key fob in good condition, and you can enjoy the benefits of remote start for years to come.
What are the common reasons that prevent the remote start from working on a 2015 Jeep Cherokee?
The remote start feature on a 2015 Jeep Cherokee may not work for several reasons, including issues with the vehicle’s security system, low battery in the key fob, or even mechanical issues such as a malfunctioning ignition switch. If your Jeep has recently experienced any electronic or mechanical changes, it may disrupt the remote start functionality.
Additionally, the vehicle’s door needs to be closed for remote start to work, along with the hood and trunk. If any of these are open, it can prevent the system from activating. It’s also worth checking if the vehicle has been flagged by sensors due to a prolonged immobility or potential theft warnings, which can also impact remote start capabilities.
Why does the key fob battery affect the remote start functionality?
The key fob battery is crucial for transmitting signals between the key fob and the vehicle. If the battery is low or dead, it may not be able to send the necessary signal to initiate remote start. The range of your key fob can also be affected by a weak battery, meaning you might need to be much closer to the vehicle than usual for it to work.
To check if the key fob is the problem, you can test the other buttons on the fob or try starting the vehicle normally using the key. If the fob is unresponsive for any button, it’s time to replace the battery. Once replaced, you should reattempt the remote start, as this might resolve the issue.
How can I troubleshoot the remote start feature on my Jeep Cherokee?
To troubleshoot the remote start feature, start by verifying that all doors, the trunk, and the hood of your Jeep Cherokee are securely closed. An open door or trunk will trigger the safety mechanisms, preventing remote start from functioning. Next, check the key fob battery and replace it if necessary.
If these steps do not restore functionality, consider using the ignition key for a manual start. If the vehicle starts normally this way, further diagnostic checks may be needed for the remote start system. Getting the vehicle scanned for any error codes at a dealership or a qualified mechanic can also provide insight into further issues that may be affecting the remote start.
Are there any software updates needed for the remote start feature?
Yes, there could be software updates needed for the remote start feature to work optimally in a 2015 Jeep Cherokee. Automakers frequently release software updates to address bugs, improve functionality, or enhance security in their vehicles. If the software is outdated, it might lead to remote start malfunctions.
You can check for any available updates by contacting your local Jeep dealership. They can perform a diagnostic scan to identify if your vehicle’s onboard systems require an update. Maintaining current software can help ensure that features like remote start operate seamlessly.
What should I do if the remote start works intermittently?
If the remote start feature works intermittently, the problem could be due to a weak key fob battery, range issues, or interference from other electronic devices. Try conducting a test in different locations away from potential signal interference, such as radio towers or heavy electronic devices that might block the signal.
If the problem persists, it may indicate a deeper issue within the vehicle’s remote start system or electrical wiring. In such cases, it’s advisable to consult a professional mechanic or reach out to the dealership to perform a thorough inspection and pinpoint the root cause of the intermittent failures.
Can I reset the remote start feature myself?
Resetting the remote start feature is generally not something you can do yourself without specialized tools or knowledge. However, you can try a basic reset by disconnecting the vehicle battery for a few minutes, which may reset some electronic systems. After reattaching the battery, check if the remote start works properly.
If you are not comfortable with this process or if it does not resolve the issue, it’s best to visit a qualified technician. They have the expertise and diagnostic tools necessary to correctly reset the remote start and address any underlying problems that may have contributed to its malfunction.
Is there a way to diagnose remote start issues without visiting a mechanic?
While some basic troubleshooting can be done at home, diagnosing remote start issues typically requires specialized diagnostic tools and knowledge that most vehicle owners do not possess. You can perform simple checks such as examining the key fob battery, ensuring doors are securely closed, and looking for any visible wiring issues, but these checks are limited.
For in-depth diagnostics, such as identifying error codes related to the remote start system, you will likely need to take the vehicle to a mechanic or dealership. They can conduct comprehensive tests and measurements to pinpoint the specific issue affecting the remote start function.