**What Are SMR-D Files, And What Is Their Function Within DTS Monaco?**

Are you eager to master car coding and diagnostics using DTS Monaco? SMR-D files are integral to this process, guiding the software in ECU programming and data handling; explore how these files orchestrate communication and modifications within your vehicle’s electronic control units (ECUs), and at DTS-MONACO.EDU.VN, we offer comprehensive training and resources to help you confidently navigate these advanced automotive technologies. Unlock the power of ECU flashing, variant coding, and diagnostic services to enhance your automotive expertise.

1. What Exactly Are SMR-D Files in DTS Monaco?

SMR-D files, also known as Service Metainfo Repository – Data files, are crucial components within the DTS Monaco software, providing the necessary data and instructions for communicating with and programming Electronic Control Units (ECUs) in a vehicle. Think of them as instruction manuals that DTS Monaco uses to understand how to talk to specific ECUs and what kind of data they contain.

1.1 Decoding SMR-D Files: The Key to ECU Communication

SMR-D files serve as a detailed map, guiding DTS Monaco in navigating the complexities of ECU communication. They contain specific information about each ECU, including:

• Communication Protocols: The exact language and method used to interact with the ECU.
• Data Organization: How data is structured and stored within the ECU.
• Service IDs: Codes that initiate specific functions or diagnostics.
• Coding Parameters: Options and values that can be modified to customize the ECU’s behavior.

This detailed information allows DTS Monaco to perform a variety of functions, such as:

• Reading ECU Data: Accessing and displaying current settings and parameters.
• Writing ECU Data: Modifying settings to enable new features or adjust existing ones.
• Performing Diagnostics: Running tests and identifying potential problems.
• Flashing ECU Software: Updating the ECU’s operating system with new versions.

1.2 SMR-D Files vs. Other Data Files in DTS Monaco

While SMR-D files are essential, DTS Monaco also uses other types of data files to perform its functions. Here’s a quick comparison:

File Type	Description	Function
SMR-D	Service Metainfo Repository – Data; contains ECU-specific communication and data information.	Enables DTS Monaco to communicate with, diagnose, and program ECUs.
CFF	Calibration File Format; contains calibration data for engine management and other systems.	Used to fine-tune ECU parameters for optimal performance and emissions.
ODX	Open Diagnostic Data Exchange; a standardized format for diagnostic data.	Facilitates the exchange of diagnostic information between different tools and systems.
FRF	Flash Record File; contains software updates for ECUs.	Used to update ECU software with new versions or bug fixes.
PKW	Passenger Car Data; may contain vehicle-specific data and configurations.	Can be used to customize vehicle settings and enable certain features.

Understanding the role of each file type is essential for effective use of DTS Monaco.

1.3 Where to Find SMR-D Files

SMR-D files are typically provided by the vehicle manufacturer or third-party vendors. They are often included as part of a larger software package or database. These files are specific to the vehicle model and ECU type, so it’s crucial to use the correct files for your application. You might find them on:

• Official Manufacturer Websites: Some manufacturers provide SMR-D files for download to authorized technicians.
• Diagnostic Software Providers: Companies that sell diagnostic tools often include a library of SMR-D files.
• Online Forums and Communities: While caution is advised, some online communities share SMR-D files. Always verify the source and integrity of the files before using them.
• DTS-MONACO.EDU.VN: We provide access to verified SMR-D files as part of our training programs and support resources.

1.4 Best Practices for Managing SMR-D Files

Proper management of SMR-D files is essential to avoid errors and ensure successful ECU programming. Here are some best practices:

• Organization: Create a well-organized file structure to easily locate the correct SMR-D files for each vehicle and ECU.
• Backup: Regularly back up your SMR-D files to prevent data loss.
• Verification: Before using an SMR-D file, verify that it is the correct version for the vehicle and ECU you are working with.
• Updates: Keep your SMR-D files up to date to ensure compatibility with the latest vehicles and ECUs.
• Security: Store your SMR-D files securely to prevent unauthorized access or modification.

2. The Function of SMR-D Files Within DTS Monaco

The primary function of SMR-D files is to enable DTS Monaco to communicate effectively with vehicle ECUs, allowing for diagnostics, programming, and customization.

2.1 Enabling ECU Communication

SMR-D files act as a translator, enabling DTS Monaco to “speak” the language of each ECU. Without the correct SMR-D file, DTS Monaco would be unable to understand the data coming from the ECU or send commands to it. This communication is essential for:

• Identifying the ECU: Determining the type and version of the ECU.
• Reading Diagnostic Trouble Codes (DTCs): Retrieving error codes that indicate potential problems.
• Accessing Live Data: Monitoring real-time sensor readings and other parameters.
• Performing Actuator Tests: Activating specific components to verify their functionality.

2.2 Facilitating ECU Programming and Flashing

SMR-D files provide the necessary information for DTS Monaco to reprogram or “flash” an ECU with new software. This process is often used to:

• Update ECU Software: Installing the latest version of the ECU’s operating system.
• Correct Software Errors: Fixing bugs or glitches in the ECU software.
• Enable New Features: Adding functionality that was not originally available.
• Improve Performance: Optimizing the ECU’s settings for better fuel economy or power.

The SMR-D file ensures that DTS Monaco sends the correct data in the correct format, preventing damage to the ECU.

2.3 Supporting Variant Coding and Customization

Variant coding allows you to customize the behavior of an ECU to match specific vehicle configurations or customer preferences. SMR-D files provide the available coding options and their corresponding values. This enables you to:

• Enable or Disable Features: Turning on or off features such as daytime running lights, seat belt reminders, or automatic door locks.
• Adjust System Settings: Modifying parameters such as the sensitivity of the rain sensor or the volume of the parking assist system.
• Adapt to Retrofits: Configuring the ECU to recognize and work with newly installed components.
• Personalize Vehicle Functions: Tailoring the vehicle’s behavior to the driver’s individual needs and preferences.

2.4 Streamlining Diagnostic Processes

SMR-D files streamline the diagnostic process by providing DTS Monaco with the information it needs to quickly and accurately identify problems. This includes:

• Providing Detailed Descriptions of DTCs: Explaining the meaning of each error code and suggesting possible causes.
• Guiding Troubleshooting Steps: Recommending specific tests and procedures to isolate the source of the problem.
• Offering Repair Information: Providing access to wiring diagrams, component locations, and other repair data.
• Automating Diagnostic Routines: Running pre-programmed tests to quickly assess the health of the ECU and its associated systems.

3. Step-by-Step Guide to Using SMR-D Files in DTS Monaco

Here’s a detailed guide on how to effectively use SMR-D files within DTS Monaco, ensuring you can confidently navigate ECU programming and diagnostics.

3.1 Launching DTS Monaco and Selecting a Workspace

1. Open DTS Monaco: Start the DTS Monaco software on your computer.

2. Open Workspace: In the main window, click the “Open a workspace” button.

   DTS Monaco Open Workspace

   Alt Text: DTS Monaco interface showing the “Open a workspace” button, essential for ECU programming.

3. Select Your Workspace: Choose the workspace you want to use from the list. This workspace should already contain the imported SMR-D files from your project setup.

4. ECU Update Prompt: The program may ask if you want to do an ECU update. Click “NO”.

5. Wait for Loading: Allow the program to fully load your workspace. You should now see your workspace in DTS Monaco. The “Logical Links” on the left side are the SMR-D files you imported. Different interfaces are available, but only the connected ones will be active.

3.2 Understanding Logical Links

1. Logical Links: These represent the SMR-D files and the ECUs they correspond to.

2. Selecting an ECU: In the list of logical links, find the ECU you want to work with. For example, the “HU6” ECU controls the MBUX system.

3. Opening a New Tab: Right-click on the desired ECU (e.g., EZS167) and select “New Tab for Logical Link”. This keeps the connection to that ECU open while you work.

   DTS Monaco New Tab for Logical Link

   Alt Text: Selecting “New Tab for Logical Link” in DTS Monaco to maintain ECU connection during car coding.

4. Multiple ECUs: By using the “New Tab” option, you can have multiple ECUs open simultaneously, which is useful when coding related systems.

3.3 Disabling Firewalls

Before you can perform variant coding in DTS Monaco, you need to disable the ECU firewalls. The specific steps vary based on the vehicle model year.

1. Accessing Security Access: In the new tab, go to “Generic Jobs”.

2. Older Vans: For older vans, select “Security Access Level 37”.

   DTS Monaco Security Access Level 37

   Alt Text: Disabling firewall in older vans using “Security Access Level 37” in DTS Monaco for car diagnostics.

3. Newer Vans: For newer vans (like the W907), use the EZS167 ECU and select “Security Access Level 3B”.

   DTS Monaco Security Access Level 3B

   Alt Text: Disabling ECU firewall on newer vans by selecting “Security Access Level 3B” in DTS Monaco.

4. Transmit: Press the “Transmit” button.

5. Check Results: If you see no text in red and, for newer vans, “acknowledged” is displayed under “Response State”, the firewall is now deactivated.

3.4 Performing Variant Coding

1. Open the ECU: Open the relevant ECU in a new tab. For example, open the MBUX’s “HU6” ECU.

2. Extended Start: Select “Extended Start” and press “Transmit”.

   DTS Monaco Extended Start

   Alt Text: Activating “Extended Start” in DTS Monaco to prepare ECU for car variant coding.

3. Response State: Ensure you see an “acknowledged” Response State. This confirms the ECU is ready for coding.

4. Variant Coding Tab: Go to the “Variant Coding” tab and select your ECU. If it doesn’t connect, press “Connect”.

5. Domain List: Underneath the ECU, you will see the “Domain” list. This is where you can access the functions of the ECU and change the values.

   DTS Monaco Variant Coding Domain List

   Alt Text: Navigating the “Domain” list in DTS Monaco for car ECU function access and modifications.

6. Select Feature: Find the relevant feature in the “Fragment” column. For example, select “Audio Handle Write” to add a fader and balance to the MBUX.

7. Change Value: Double-click the value under “Meaning” to change it. A dropdown menu will appear with available options.

   DTS Monaco Change Value

   Alt Text: Modifying ECU values in DTS Monaco by double-clicking the “Meaning” column for car customization.

8. Review Coding: Check the binary coding string under “Read from ECU” (current coding) and “Current Coding” (what you just selected).

9. Do Coding: Press the “Do Coding” button.

   DTS Monaco Do Coding

   Alt Text: Completing the car coding process by pressing the “Do Coding” button in DTS Monaco.

10. Check Progress: The bar next to “Do Coding” should go to 100%, and the new value should be presented under the “Meaning” column. “Current Coding” should match “Read from ECU”.

11. Troubleshooting: If you encounter a pop-up error, Google the error code and restart the session, ensuring the firewall is disabled and Extended Start is enabled.

3.5 Making Variant Coding Permanent

To ensure the new variant coding values are permanent, follow these steps:

1. Synchronize to Non-volatile Memory: Go back to the open tab with the ECU you just coded.

2. Diagnostic Services: In the “Diagnostic Services” search box, find “[31] Synchronize to Non-volatile Memory Start” and click “Transmit”.

   DTS Monaco Synchronize to Non-volatile Memory Start

   Alt Text: Starting the synchronization to non-volatile memory in DTS Monaco to save car coding changes.

3. Check Response: Ensure you get an “acknowledged” Response State and no red text.

4. Synchronize to Non-volatile Memory Results: Next, find “[31] Synchronize to Non-volatile Memory Results” and click “Transmit”.

   DTS Monaco Synchronize to Non-volatile Memory Results

   Alt Text: Finalizing the synchronization process in DTS Monaco for permanent ECU coding results.

5. Check Response: Again, you should get an “acknowledged” Response State.

6. Hard Reset: Perform a hard reset of your ECU. In the “Diagnostic Services” search box, find “Hard Reset” and click “Transmit”.

   DTS Monaco Hard Reset

   Alt Text: Performing a hard reset in DTS Monaco to finalize and save car coding configurations.

7. Final Steps: Turn off the vehicle, open the driver’s door, wait a few minutes, then turn the vehicle back on (engine off). Log into the relevant ECU and check that the changes have been applied.

   DTS Monaco Balance Fader Menu Off

   Alt Text: Verifying new ECU values in DTS Monaco after a hard reset to confirm successful car coding.

3.6 Additional Tips

• Firewall: Always ensure the firewall is turned off before starting any coding changes.
• Backup: Before making any changes, back up the original ECU settings.
• Battery Voltage: Maintain a stable battery voltage during the coding process.
• Documentation: Keep detailed notes of all changes made for future reference.
• Training: Consider professional training to fully understand the capabilities and limitations of DTS Monaco. DTS-MONACO.EDU.VN offers comprehensive courses tailored to your needs.

4. Common Issues and Troubleshooting with SMR-D Files

Working with SMR-D files in DTS Monaco can sometimes present challenges. Here are some common issues you might encounter and how to troubleshoot them.

4.1 Incorrect SMR-D File Version

Problem: Using the wrong version of an SMR-D file can lead to communication errors, incorrect coding, or even damage to the ECU.

Solution:

• Verify Compatibility: Always double-check that the SMR-D file is specifically designed for the vehicle model, year, and ECU type you are working with. Refer to the vehicle’s documentation or the SMR-D file’s metadata for compatibility information.
• Check Part Numbers: Compare the ECU part number with the part numbers listed in the SMR-D file’s documentation.
• Use Reputable Sources: Obtain SMR-D files from trusted sources, such as the vehicle manufacturer, diagnostic software provider, or DTS-MONACO.EDU.VN.
• Update Regularly: Keep your SMR-D file database up to date to ensure compatibility with the latest vehicles and ECUs.

4.2 Communication Errors

Problem: DTS Monaco may fail to communicate with the ECU, resulting in error messages such as “ECU not found” or “Communication timeout.”

Solution:

• Check Connections: Ensure that the diagnostic interface is properly connected to the vehicle and the computer. Verify that the cables are not damaged and that the connectors are securely plugged in.
• Verify Interface Settings: Confirm that DTS Monaco is configured to use the correct diagnostic interface and communication protocol.
• Disable Firewalls: Make sure that the ECU firewalls are disabled before attempting to communicate with the ECU. Follow the steps outlined in Section 3.3 to disable the firewalls.
• Check Power Supply: Ensure that the vehicle’s battery is fully charged and providing a stable voltage. Low voltage can interfere with ECU communication.
• Restart Session: Try restarting DTS Monaco and the diagnostic interface.

4.3 Coding Errors

Problem: Attempting to write incorrect or incompatible coding values to the ECU can result in unexpected behavior or even render the ECU inoperable.

Solution:

• Research Coding Options: Before making any coding changes, thoroughly research the available options and their potential effects. Consult online forums, technical documentation, or experienced technicians for guidance.
• Back Up Original Coding: Always back up the original ECU coding before making any changes. This will allow you to restore the ECU to its original state if something goes wrong.
• Double-Check Values: Carefully double-check the coding values before writing them to the ECU. Pay attention to the data type, range, and units of measurement.
• Test Changes Thoroughly: After making coding changes, thoroughly test the affected systems to ensure that they are functioning correctly.
• Seek Expert Assistance: If you are unsure about a particular coding change, seek assistance from a qualified technician or coding specialist.

4.4 File Corruption

Problem: SMR-D files can become corrupted due to file transfer errors, storage media failures, or malware infections.

Solution:

• Scan for Malware: Scan your computer and storage devices for malware regularly.
• Verify File Integrity: Before using an SMR-D file, verify its integrity by comparing its checksum with the checksum provided by the file’s source.
• Replace Corrupted Files: If you suspect that an SMR-D file is corrupted, replace it with a fresh copy from a trusted source.
• Use Reliable Storage: Store your SMR-D files on reliable storage media, such as solid-state drives (SSDs) or cloud storage services.

4.5 Software Conflicts

Problem: Conflicts between DTS Monaco and other software on your computer can sometimes interfere with its operation.

Solution:

• Close Unnecessary Programs: Close any unnecessary programs that may be running in the background.
• Update Drivers: Make sure that your computer’s drivers are up to date, especially the drivers for the diagnostic interface.
• Reinstall DTS Monaco: Try reinstalling DTS Monaco to ensure that all of its components are properly installed and configured.
• Run in Compatibility Mode: Try running DTS Monaco in compatibility mode for an older version of Windows.

5. Benefits of Using DTS-MONACO.EDU.VN for SMR-D Files and Training

At DTS-MONACO.EDU.VN, we provide a comprehensive suite of resources and training to empower you with the skills and knowledge needed to excel in car coding and diagnostics using DTS Monaco.

5.1 Access to Verified SMR-D Files

We understand the importance of using accurate and reliable SMR-D files. That’s why we offer access to a curated library of verified SMR-D files, ensuring that you can work with confidence and avoid potential errors. Our SMR-D files are:

• Up-to-Date: Regularly updated to support the latest vehicles and ECUs.
• Verified for Accuracy: Thoroughly tested to ensure that they are free of errors.
• Organized and Easy to Find: Arranged in a logical file structure to help you quickly locate the files you need.

5.2 Comprehensive Training Courses

Our training courses are designed to take you from beginner to expert in DTS Monaco. We offer a variety of courses to suit your needs, including:

• DTS Monaco Fundamentals: A beginner-friendly course that covers the basics of DTS Monaco, including installation, configuration, and basic operations.
• ECU Programming and Coding: An in-depth course that teaches you how to program and code ECUs using DTS Monaco, including variant coding, flashing, and parameter adjustments.
• Advanced Diagnostics: A hands-on course that focuses on advanced diagnostic techniques using DTS Monaco, including reading DTCs, analyzing live data, and performing actuator tests.
• Customized Training: We can also create customized training programs to meet your specific needs and goals.

Our courses are taught by experienced instructors who are passionate about sharing their knowledge and expertise. We use a combination of lectures, demonstrations, and hands-on exercises to ensure that you gain a thorough understanding of the material.

5.3 Expert Technical Support

We provide expert technical support to help you with any questions or problems you may encounter while using DTS Monaco or working with SMR-D files. Our support team is available to assist you via:

• Email: Send us an email with your questions or problems, and we will respond as quickly as possible.
• Phone: Call us during business hours, and we will be happy to assist you over the phone.
• Remote Assistance: We can provide remote assistance to help you troubleshoot problems on your computer.

Our support team is composed of experienced technicians and coding specialists who have a deep understanding of DTS Monaco and SMR-D files. We are committed to providing you with the best possible support.

5.4 Community Forum

Our online community forum is a great place to connect with other DTS Monaco users, share your knowledge, and ask questions. The forum is moderated by our expert staff, and we encourage you to participate in discussions and contribute to the community.

5.5 Cutting-Edge Information

Our commitment to keeping you informed about the latest advancements in automotive technology is unwavering. At DTS-MONACO.EDU.VN, we ensure you’re always ahead of the curve with updated information on DTS Monaco, diagnostic tools, and car coding techniques. We deliver:

• Regular Updates: Consistent updates on the newest software versions, features, and functionalities of DTS Monaco.
• Emerging Technologies: Insights into innovative diagnostic methods and car coding trends as they emerge.
• Best Practices: Guidance on implementing the most effective and safe practices in ECU programming.

6. The Future of SMR-D Files and ECU Programming

The landscape of SMR-D files and ECU programming is continuously evolving, driven by advancements in automotive technology and the increasing complexity of vehicle electronic systems. Staying abreast of these changes is crucial for automotive technicians and enthusiasts alike.

6.1 Increased Complexity

As vehicles become more sophisticated, the complexity of their electronic systems increases, leading to larger and more intricate SMR-D files. These files will need to contain more detailed information about ECU communication, data structures, and coding options.

6.2 Enhanced Security

With the rise of automotive hacking and theft, security will become an even more critical concern. SMR-D files may incorporate encryption and authentication mechanisms to prevent unauthorized access and modification of ECU software.

6.3 Over-the-Air (OTA) Updates

OTA updates are becoming increasingly common in modern vehicles, allowing manufacturers to remotely update ECU software without requiring a physical connection. SMR-D files will play a crucial role in facilitating these OTA updates, ensuring that the correct software is installed on the correct ECUs.

6.4 Artificial Intelligence (AI)

AI is poised to revolutionize the automotive industry, and ECU programming is no exception. AI-powered tools could be used to automatically generate SMR-D files, optimize coding parameters, and diagnose complex problems.

6.5 Standardization

Efforts to standardize SMR-D file formats and communication protocols could improve interoperability between different diagnostic tools and systems. This would make it easier for technicians to work on a variety of vehicles and ECUs.

7. Real-World Applications of SMR-D Files

SMR-D files are essential in various real-world scenarios, from routine maintenance to advanced vehicle customization. Here are some practical examples:

7.1 Routine Maintenance and Diagnostics

• Reading and Clearing DTCs: SMR-D files enable technicians to read diagnostic trouble codes (DTCs) from the ECU, providing valuable information about potential problems. They also allow technicians to clear DTCs after resolving the underlying issues.
• Analyzing Live Data: SMR-D files facilitate the analysis of live data from various sensors and systems, helping technicians identify anomalies and diagnose performance issues.
• Performing Actuator Tests: SMR-D files allow technicians to perform actuator tests, verifying the functionality of components such as fuel injectors, solenoids, and relays.

7.2 ECU Tuning and Performance Enhancement

• Adjusting Engine Parameters: SMR-D files enable tuners to adjust engine parameters such as fuel injection, ignition timing, and boost pressure, optimizing performance for specific driving conditions or modifications.
• Disabling Speed Limiters: SMR-D files can be used to disable speed limiters, allowing vehicles to reach their full potential.
• Improving Fuel Economy: SMR-D files can be used to optimize engine settings for improved fuel economy, reducing emissions and saving money.

7.3 Retrofitting and Customization

• Enabling New Features: SMR-D files enable technicians to enable new features that were not originally available on the vehicle, such as adaptive cruise control, lane departure warning, and blind-spot monitoring.
• Adapting to Aftermarket Components: SMR-D files can be used to adapt the ECU to aftermarket components such as performance exhausts, air intakes, and turbochargers.
• Personalizing Vehicle Settings: SMR-D files allow users to personalize vehicle settings such as lighting, door locking, and seat preferences.

7.4 Repairing Damaged ECUs

• Reflashing ECUs: SMR-D files can be used to reflash damaged ECUs with new software, restoring them to their original functionality.
• Cloning ECUs: SMR-D files can be used to clone ECUs, transferring the data from a damaged ECU to a replacement ECU.

7.5 Automotive Research and Development

• Analyzing ECU Behavior: SMR-D files enable researchers to analyze ECU behavior, gaining insights into the inner workings of vehicle electronic systems.
• Developing New Diagnostic Tools: SMR-D files are used to develop new diagnostic tools and techniques, improving the efficiency and accuracy of automotive diagnostics.
• Testing New Technologies: SMR-D files are used to test new automotive technologies such as autonomous driving systems and electric vehicle powertrains.

8. Complying with E-E-A-T and YMYL Standards

In creating content about DTS Monaco and SMR-D files, it’s crucial to adhere to Google’s E-E-A-T (Experience, Expertise, Authoritativeness, and Trustworthiness) and YMYL (Your Money or Your Life) guidelines. This ensures the information provided is accurate, reliable, and safe for users.

8.1 Experience

• Hands-On Knowledge: Share practical experiences with DTS Monaco and SMR-D files, detailing how they are used in real-world scenarios.
• Case Studies: Include case studies of successful ECU programming, coding, and diagnostics using DTS Monaco.

8.2 Expertise

• Qualified Professionals: Ensure that the content is created or reviewed by qualified automotive technicians and coding specialists.
• Technical Accuracy: Provide accurate and up-to-date technical information about DTS Monaco, SMR-D files, and ECU programming.

8.3 Authoritativeness

• Credible Sources: Cite credible sources such as vehicle manufacturers, diagnostic software providers, and reputable automotive publications.
• Industry Recognition: Highlight any industry recognition or certifications that demonstrate expertise in DTS Monaco and ECU programming.

8.4 Trustworthiness

• Transparency: Be transparent about the limitations of DTS Monaco and the potential risks associated with ECU programming.
• Safety Precautions: Emphasize the importance of following safety precautions when working with DTS Monaco and SMR-D files.
• User Reviews and Testimonials: Include user reviews and testimonials to build trust and demonstrate the effectiveness of DTS Monaco and DTS-MONACO.EDU.VN’s training programs.

8.5 YMYL Considerations

• Safety: Emphasize the importance of safety when working with vehicle electronic systems. Provide clear instructions and warnings about potential hazards.
• Financial Implications: Be transparent about the costs associated with DTS Monaco, SMR-D files, and training programs.
• Legal Compliance: Ensure that all information provided is compliant with relevant laws and regulations.

9. Frequently Asked Questions (FAQ) About SMR-D Files and DTS Monaco

Here are some frequently asked questions to help you better understand SMR-D files and their role in DTS Monaco.

9.1 What exactly is an SMR-D file?

An SMR-D (Service Metainfo Repository – Data) file is a crucial data file used by DTS Monaco to understand and communicate with a vehicle’s Electronic Control Units (ECUs).

9.2 Why are SMR-D files necessary for DTS Monaco?

SMR-D files provide DTS Monaco with the necessary information to communicate with ECUs, perform diagnostics, program new functions,