The 2020 Jeep Cherokee is a versatile vehicle that combines ruggedness with comfort. One of the intriguing features of this model is the Auto Start/Stop system, designed to save fuel and reduce emissions by shutting down the engine during stops and restarting it when the driver takes their foot off the brake. However, many owners have reported issues with this feature not working as expected. If you’re among those experiencing difficulties with the Auto Start/Stop function in your 2020 Jeep Cherokee, this article will provide a comprehensive guide on why it might be malfunctioning and what steps you can take to resolve the issue.
Understanding the Auto Start/Stop Feature
Before delving into the reasons why the Auto Start/Stop system may not function, it’s essential to understand how it works. This system is primarily designed to enhance fuel efficiency and minimize engine emissions. Here’s how it generally operates:
- When the vehicle comes to a complete stop and the brake is engaged, the engine automatically turns off.
- When the driver releases the brake pedal, the engine restarts, ready for acceleration.
This feature is especially beneficial in urban settings where stop-and-go traffic is common, potentially leading to significant fuel savings over time. However, several factors can affect the performance of this system, preventing it from functioning correctly.
Common Reasons Your Auto Start/Stop Is Not Working
Several underlying issues could hinder your 2020 Jeep Cherokee’s Auto Start/Stop functionality. Understanding these can help pinpoint the problem.
1. Battery Health
A healthy battery is crucial for the Auto Start/Stop feature to operate effectively. The system relies on a robust battery charge, and if it’s weak or not holding a charge, the feature may deactivate to prevent further battery drainage. Here are some signs of battery issues:
- Dim headlights or interior lights
- Long cranking times when starting the engine
If you suspect battery problems, it may be time for a diagnostic check or battery replacement.
2. Climate Control Settings
The Auto Start/Stop feature also considers several facets of the vehicle’s operation, including climate control. If the air conditioning or heating system is working hard to maintain a set temperature, the Auto Start/Stop may deactivate temporarily. The vehicle prioritizes keeping the cabin comfortable over fuel savings.
3. Transmission Position
The placement of the gear shift can affect the Auto Start/Stop system. If the transmission is not in the appropriate gear (usually ‘Drive’), the Auto Start/Stop system may not engage. Make sure your vehicle is in the right gear when coming to a stop.
4. Engine Temperature
The engine temperature also plays a vital role in how the Auto Start/Stop system functions. If the engine is not warmed up to an optimal temperature, the system may not enable itself to ensure smooth operation and prevent potential strain on the engine components.
Other Factors Affecting Auto Start/Stop Functionality
Aside from the factors previously mentioned, other issues may impact your Jeep Cherokee’s Auto Start/Stop system.
1. Faulty Sensors
Your vehicle is equipped with various sensors that monitor different conditions. If any of these sensors fail or send faulty readings to the vehicle’s computer, it could lead to the Auto Start/Stop functionality being disabled.
2. Software Issues
Like any modern vehicle, your 2020 Jeep Cherokee relies on software to manage numerous systems. Software bugs or outdated firmware can hinder the functionality of the Auto Start/Stop feature. Regular updates from the manufacturer may address these issues, so it’s essential to check for the latest software versions.
3. Vehicle Load
The weight and load inside the vehicle can also affect the Auto Start/Stop feature. If the Jeep is heavily loaded, the engine may be less inclined to shut off to preserve mobility and prevent any strain on the vehicle.
Diagnosing the Issue
If you find that your Auto Start/Stop feature is not working correctly, diagnosing the issue is the first step toward resolving it.
Step 1: Check the Dashboard Indicators
Pay attention to your dashboard lights. If there are any warning lights illuminated, such as the battery or engine lights, this may indicate an underlying issue that needs professional attention.
Step 2: Conduct a Battery Test
The battery is often the first suspect if Auto Start/Stop isn’t working. You can use a multimeter to check the battery’s voltage. If it’s below 12.4V when the engine is off, the battery may need charging or replacement.
Step 3: Review Climate Control Settings
Ensure that your climate control settings are not set to maximum power. Reduced fan speeds and climate control settings could help determine if these are related to the Auto Start/Stop function.
Step 4: Inspect Vehicle Systems
Consider having your vehicle’s systems inspected for any faulty sensors or software glitches. A visit to a certified technician or a dealership can result in a thorough diagnostic that identifies potentially problematic systems.
Steps to Troubleshoot Auto Start/Stop Functionality
If you’ve diagnosed that the Auto Start/Stop system is malfunctioning, here are some practical steps you can take to troubleshoot and potentially resolve the issue.
1. Restart Your Vehicle
Sometimes, simply restarting the vehicle can reset the system. Turn off your Jeep, wait a moment, and then start it again.
2. Reset the Climate Control
Resetting the climate control to a moderate setting can alleviate excessive strain on the battery and the system, allowing the Auto Start/Stop to function properly during stops.
3. Maintain Battery Health
If your battery is indeed the problem, replacing it or ensuring it’s adequately charged will likely restore the Auto Start/Stop feature. Regular maintenance checks can prevent future issues.
When Should You Seek Professional Help?
While many issues can be diagnosed and fixed at home, some situations warrant professional assistance. If you’re not comfortable with troubleshooting your vehicle or if the problem seems too complex, consider seeking help from a qualified technician. Here are some situations where professional help is advisable:
1. Persistent Warning Lights
If multiple warning lights remain lit on your dashboard, it’s crucial to consult with a technician for a comprehensive diagnosis.
2. Software Updates
If your vehicle’s software needs updating or if you suspect a software issue, a dealer or certified technician will be able to access the latest updates and install them properly.
3. Warranty Issues
If your 2020 Jeep Cherokee is still under warranty, you should opt for professional assistance to avoid potentially voiding your warranty.
Conclusion
The Auto Start/Stop feature in your 2020 Jeep Cherokee is designed to enhance fuel efficiency and contribute to a greener environment. However, various factors can affect its performance, ranging from battery health to climate control settings and more. By understanding these potential issues and following the steps outlined in this article, you will be well-equipped to troubleshoot and resolve the issue effectively. Always consult a professional technician when necessary, especially if the problem persists. Keeping your vehicle in top condition will ensure you can enjoy all the features of your Jeep, including the innovative Auto Start/Stop functionality.
What is the Auto Start/Stop feature in my 2020 Jeep Cherokee?
The Auto Start/Stop feature is designed to improve fuel efficiency by turning off the engine when the vehicle comes to a complete stop and restarting it when the driver releases the brake pedal. This system helps reduce emissions and saves fuel during stop-and-go driving, such as in city traffic or at traffic lights.
In the 2020 Jeep Cherokee, this feature is integrated into the engine management system and is usually activated automatically each time the vehicle is started. While it can be a beneficial tool for reducing fuel consumption, it may take some adjustment for drivers who are accustomed to traditional engine operation.
Why is my Auto Start/Stop feature not working?
There are several reasons why the Auto Start/Stop feature in your 2020 Jeep Cherokee may not be functioning correctly. One common reason is that certain conditions must be met for the system to activate, including engine temperature, battery charge level, and whether the vehicle is in gear. If any of these conditions are not satisfied, the system will remain inactive.
Another potential issue could be a malfunction in the Auto Start/Stop system itself or related components, such as the battery or the starter motor. If the vehicle’s computer detects an issue, it may disable the feature to prevent further complications. It is advisable to have your Jeep inspected by a qualified technician if the system consistently fails to activate.
Can I manually disable the Auto Start/Stop feature?
Yes, drivers have the ability to manually disable the Auto Start/Stop feature in the 2020 Jeep Cherokee. This is done using a button typically located on the dashboard near the console. When pressed, the button will deactivate the Auto Start/Stop function, allowing the engine to remain running even when the vehicle comes to a stop.
However, it is important to note that if you manually disable the feature, it will not automatically reactivate the next time you start the vehicle. Each time you turn off the ignition and later restart the Jeep, the Auto Start/Stop function will need to be turned back on if you wish to use it again.
Could weather conditions affect the Auto Start/Stop performance?
Yes, weather conditions can indeed impact the performance of the Auto Start/Stop feature in your 2020 Jeep Cherokee. Extreme cold temperatures can lead to decreased battery efficiency, meaning the system may not engage if the battery charge is insufficient. Similarly, excessive heat can also affect engine cooling and system functionality.
Additionally, the Auto Start/Stop feature may be restricted in certain conditions like heavy rain or snow, where traction and stability are concerns. In these scenarios, the system is designed to prioritize safety and vehicle control over fuel efficiency.
Will using the Auto Start/Stop feature affect my engine’s longevity?
The Auto Start/Stop feature is designed to be safe for your engine under normal driving conditions, and manufacturers test these systems rigorously to ensure they do not cause undue strain on the engine components. In many cases, the convenience of improved fuel efficiency can outweigh any potential wear associated with frequent engine restarts.
However, it is important to consider factors like driving habits and maintenance. Aggressive driving or inadequate maintenance can contribute to higher wear and tear on your vehicle, regardless of whether the Auto Start/Stop feature is engaged. Regular maintenance and servicing will help ensure optimal engine performance and longevity.
What should I do if my Auto Start/Stop feature is still not working after troubleshooting?
If you have gone through the basic troubleshooting steps and your Auto Start/Stop feature is still not functioning, it is advisable to take your Jeep Cherokee to a certified dealership or qualified mechanic. They will have access to advanced diagnostic tools that can identify any underlying issues that may not be apparent through basic checks.
A professional assessment may reveal issues such as software glitches, malfunctioning sensors, or problems with the battery or alternator. Addressing these issues promptly can help restore the Auto Start/Stop functionality and ensure that your Jeep operates efficiently and reliably.