How to Change ADT Code

In the digital era, advanced home security systems like ADT have become indispensable for safeguarding our family and valuables. The effectiveness of your security system, however, hinges on the robustness of your security code. Changing your ADT security code is a straightforward but vital measure to maintain the integrity of your home’s safety.

How to Change ADT Code

Whether you need to reset a forgotten code, suspect your current code has been compromised, or wish to update your code for enhanced security, this step is essential for ensuring peace of mind. This guide is designed to walk you through the process of changing your ADT code with ease and confidence. Continue reading to master how to change ADT code.

About ADT Code

ADT is a leading provider of home security systems, with decades of experience in the industry. The ADT code serves as the key to arm and disarm your security system, essentially acting as the gatekeeper of your home’s safety. This code is entered through a device known as a keypad, which is typically installed near the main entryways of your home.

The Importance of the ADT Code

The ADT code is a 4-digit numerical code that is unique to each system. It is critical to keep this code confidential and to change it regularly to maintain optimal security. If you suspect that someone else may know your code, or you simply want to ensure that your security system is as secure as possible, changing your ADT code should be your first step.

Setting Multiple Codes

Additionally, ADT also allows you to set up multiple codes — a master code for the homeowners, and secondary codes for individuals like housekeepers or guests. Remember that each of these codes should be treated with the same level of security to safeguard your home effectively.

How to Change ADT Code

Benefits of Changing Your ADT Code

Changing your ADT code regularly provides numerous benefits, enhancing both the security and functionality of your home protection system.

Deter Potential Intruders

First and foremost, changing your code regularly can deter potential intruders. Often, burglars will attempt to decode your security system over time. Regularly updating your ADT code makes it exponentially harder for these threats to gain access to your home.

Maintain Control

Another significant advantage is the ability to maintain control when your code potentially becomes known to others. This can occur in numerous situations, such as after a house-sitter has stayed, or a repair service has required access to your home. Regularly updating your code ensures that your home security remains within your control.

Accommodate New Users

Furthermore, changing your ADT code allows you to accommodate new users. ADT’s system allows for multiple, different codes. This makes it easy to provide temporary access for visitors or permanent access for new family members, all while maintaining your master code’s privacy.

Psychological Benefit

Lastly, there’s a psychological benefit to regularly changing your code. It provides you with peace of mind, knowing that you’ve done everything you can to secure your home and protect your loved ones.

In conclusion, regularly changing your ADT code is a simple yet effective way to enhance the security and functionality of your home protection system. It deters potential threats, ensures control, accommodates new users, and provides mental comfort – making it a highly recommended practice for all ADT users.

8 Step-By-Step Guides on How to Change ADT Code

Step 1: Gather Your Materials

Before you begin, it’s essential to prepare by gathering all the necessary materials. This includes having access to the main keypad of your ADT security system. You should also gather any additional user devices that interact with your system, such as remote controls or motion detectors, to ensure they sync properly with the new code.

Step 2: Power Down the System

To start the process, ensure your security system is powered off. This safety step is crucial to prevent any accidental alarms or malfunctions. Power down your system using the main keypad, which typically involves entering a specific command or simply pressing the designated power button.

Step 3: Isolate the Keypad

Next, ensure the keypad is isolated from any external devices or wiring that could interfere with the process. Gently disconnect any wiring from the rear of the keypad. Take extra caution to avoid damaging the connections and ensure the wires do not come into contact with each other or any metal surfaces.

Step 4: Enter Your Current Code

With the keypad isolated, proceed to enter your current ADT code. Begin by pressing the “+” button on your keypad, followed by your current 4-digit security code. Complete the action by pressing the “#” button, which signals the system to accept the entered code.

How to Change ADT Code

Step 5: Access Programming Options

Now, it’s time to access the programming options of your ADT system. Do this by pressing the “*” and “8” buttons simultaneously for approximately 3 seconds. This action will unveil a list of programming options available on your system. Navigate through these options by pressing the “+” or “-” buttons until you find the relevant section for code changing.

Step 6: Input Your New Code

After selecting the appropriate option, input your new 4-digit code by pressing the “+” button followed by your desired new code. Confirm this entry by pressing the “#” button. This step is crucial for setting up your new security code that will arm and disarm your ADT system.

Step 7: Verify Your New Code

To ensure accuracy and prevent any errors, the system will ask you to verify your new code. Re-enter the new code as prompted. Confirming the new code is essential for the changes to take effect. Press the “#” button once more to solidify your new code within the system’s memory.

Step 8: Reassemble and Test Your Keypad

Finally, carefully reattach your keypad to any previously disconnected devices or wiring. Make sure all connections are secure and correct. Power your system back on and test the new code by using it to arm and disarm your security system. This final step ensures that your new ADT code is active and functioning as expected, providing you with renewed security and peace of mind.

Troubleshooting Tips Regarding Changing ADT Code

Changing your ADT security system code is a pivotal part of maintaining your home’s safety. Here are some troubleshooting tips to ensure the process is smooth and effective.

Always Use a 4-digit Numerical Code

Ensuring the use of a 4-digit numerical code is fundamental for setting a strong security basis for your ADT system. This format minimizes the chances of unauthorized access, as it avoids easily guessed codes based on personal information. Prioritize selecting numbers that don’t correlate to significant personal dates or sequences which might be easily deduced by others.

Write Down Your Code

It is crucial to keep a written record of your ADT code in a secure and concealed location. This practice not only aids in recall should you forget the code, but it also serves as a reference point for trusted individuals who might require access to your premises in your absence. This step is vital in preventing lockouts and ensuring continuous, hassle-free use of your security system.

Change Your Code Regularly

Adopting a routine of changing your ADT code every three months significantly bolsters your home’s security. Regular updates help stay ahead of potential hackers and adapt to the latest security measures. This proactive approach is essential in the dynamic landscape of digital security, ensuring your home remains a fortress against unauthorized entry.

Don’t Reuse Old Codes

The importance of creating a unique code each time you perform an update cannot be overstated. Reusing codes increases the risk of unauthorized access, as previous codes may have been exposed or compromised without your knowledge. Always innovate with your security codes to ensure a high level of protection is maintained.

Keep Multiple Codes Handy

Utilizing the ADT system’s capability for multiple code setups enhances both convenience and security. Master codes and secondary codes for temporary users or service providers should be documented securely. This facilitates easy access management and ensures that your primary codes remain confidential and uncompromised.

How to Change ADT Code

Test Your System After Changing Your Code

After each code change, thoroughly testing the system is paramount. This includes arming and disarming the security system multiple times to confirm the new code’s functionality. Such testing ensures the code has been properly set and that the system is operating without issue, offering peace of mind that your premises are protected.

Check for Interference

Be vigilant for any interference that might affect your security system’s performance. Electronic devices, including cell phones and routers, could potentially disrupt the signal of your ADT system. If your new code seems ineffective, investigate the surroundings for devices that might be causing signal obstruction and rearrange as necessary to eliminate interference.

Contact Your Security Provider:

In case of any issues, reach out to your security provider for further assistance. They can offer guidance on troubleshooting and updating your code, as well as other support as needed.

Entrusting ADT with your home’s safety is a wise choice. To ensure comprehensive security, regularly updating your code is crucial. This practice will safeguard your home against potential threats and maintain control over access.

Adhering to these troubleshooting tips can streamline the process of changing your ADT code, ensuring your security system remains robust and dependable. Always prioritize the safety and confidentiality of your setup to protect your home and loved ones effectively.

Frequently Asked Questions

Q1: What Should I Do if I Forget My ADT Security Code?

In the event you forget your ADT security code, it is possible to reset it by adhering to the steps outlined previously in this document. Should challenges persist in recovering or resetting your code, ADT’s customer service team stands ready to provide the necessary support.

Q2: How Many Individuals Can Be Granted Access Through Secondary Codes on My ADT System?

Your ADT system is designed to accommodate multiple secondary codes, enabling you to grant temporary or permanent access to others while safeguarding the integrity of your master code. For precise details on setting up secondary codes, consult your system’s user manual or reach out to ADT’s customer service.

Q3: What Is the Recommended Frequency for Changing My ADT Code?

To maintain a high level of security, it is advisable to change your ADT code every three months. Adopting a routine of regular code changes serves as a proactive measure against potential security threats, ensuring your system’s integrity.


In conclusion, updating your ADT security code is an important measure to ensure the ongoing security of your home. By regularly changing your code and adhering to the best practices outlined in this guide, you can enjoy peace of mind knowing your home is well-protected.

Should you encounter any issues, ADT’s customer service is always available to assist. Remember, security is not a one-time setup, but a continuous process that demands your attention and diligence. Thanks for reading this article about how to change ADT code.

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