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What Is The Kobra CAN OBD2 Scan Tool And How To Use It?

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The Kobra Can Obd2 Scan Tool empowers you to diagnose your Mercedes-Benz with precision, offering real-time insights into your vehicle’s performance. At MERCEDES-DIAGNOSTIC-TOOL.EDU.VN, we provide comprehensive guidance, tutorials, and support to help you master this valuable tool. Unlock hidden features and troubleshoot issues efficiently, enhancing your Mercedes-Benz ownership experience with our expert assistance in automotive diagnostics, ECU coding, and vehicle customization.

1. What is the Kobra CAN OBD2 Scan Tool?

The Kobra CAN OBD2 scan tool is an automotive diagnostic device that interfaces with a vehicle’s On-Board Diagnostics II (OBD2) system via the Controller Area Network (CAN) bus. According to the Environmental Protection Agency (EPA), OBD2 was standardized in 1996 for all cars sold in the United States to monitor emissions-related components. The Kobra CAN OBD2 scan tool reads and interprets data from these components, helping users diagnose issues and monitor vehicle health.

2. How Does the Kobra CAN OBD2 Scan Tool Work?

The Kobra CAN OBD2 scan tool works by connecting to the OBD2 port of your vehicle, typically found under the dashboard. Once connected, it communicates with the vehicle’s Engine Control Unit (ECU) to retrieve diagnostic trouble codes (DTCs), sensor data, and other relevant information. This data is then displayed on the scan tool’s screen or transmitted to a connected device, such as a smartphone or tablet, for further analysis.

The scan tool utilizes the CAN bus protocol, which is a robust communication system used in modern vehicles to allow various electronic control units (ECUs) to communicate with each other without a host computer. According to a study by Bosch, CAN bus technology improves vehicle reliability and reduces wiring complexity.

3. What Are the Key Features of the Kobra CAN OBD2 Scan Tool?

The Kobra CAN OBD2 scan tool comes with a range of features designed to make vehicle diagnostics easier and more effective:

  • DTC Reading and Clearing: Reads diagnostic trouble codes (DTCs) stored in the vehicle’s ECU and allows users to clear these codes after addressing the underlying issues.
  • Real-time Data Monitoring: Displays real-time sensor data, such as engine speed (RPM), coolant temperature, and oxygen sensor readings.
  • Freeze Frame Data: Captures a snapshot of sensor data when a DTC is triggered, providing valuable information for diagnosing intermittent issues.
  • O2 Sensor Testing: Tests the performance of oxygen sensors to ensure they are functioning correctly.
  • I/M Readiness Monitoring: Checks the status of various emission-related systems to determine if the vehicle is ready for an emissions test.
  • Vehicle Information Retrieval: Retrieves the vehicle identification number (VIN), calibration ID, and other important vehicle information.
  • Live Data Graphing: Visualize live data in graphical format for easier analysis of trends and patterns.
  • Enhanced Diagnostics: Supports advanced diagnostic functions, such as bidirectional control and module programming, depending on the specific model.

4. What Are the Benefits of Using the Kobra CAN OBD2 Scan Tool for Mercedes-Benz Vehicles?

Using the Kobra CAN OBD2 scan tool for Mercedes-Benz vehicles offers several benefits:

  • Cost Savings: Allows you to diagnose and potentially fix minor issues yourself, saving money on expensive trips to the mechanic.
  • Informed Decision-Making: Provides detailed information about your vehicle’s health, helping you make informed decisions about repairs and maintenance.
  • Early Problem Detection: Enables you to identify and address potential problems early on, preventing them from escalating into more serious and costly issues.
  • Performance Monitoring: Allows you to monitor your vehicle’s performance in real-time, ensuring it is running optimally.
  • DIY Repairs: Empowers you to perform your own repairs and maintenance, giving you greater control over your vehicle’s upkeep.

5. Who Should Use the Kobra CAN OBD2 Scan Tool?

The Kobra CAN OBD2 scan tool is suitable for a wide range of users:

  • Mercedes-Benz Owners: Individuals who own a Mercedes-Benz and want to monitor their vehicle’s health and perform basic diagnostics.
  • DIY Mechanics: Car enthusiasts who enjoy working on their own vehicles and want to save money on repairs.
  • Professional Technicians: Automotive technicians who need a reliable and versatile scan tool for diagnosing and repairing Mercedes-Benz vehicles.
  • Fleet Managers: Individuals responsible for maintaining a fleet of Mercedes-Benz vehicles and need a tool for tracking vehicle health and scheduling maintenance.
Read more: What Is The Best OBD2 To USB Adapter For Mercedes-Benz?

6. How to Choose the Right Kobra CAN OBD2 Scan Tool for Your Needs?

When choosing a Kobra CAN OBD2 scan tool, consider the following factors:

  • Compatibility: Ensure the scan tool is compatible with your Mercedes-Benz model and year.
  • Features: Determine which features are most important to you, such as DTC reading, real-time data monitoring, or bidirectional control.
  • Ease of Use: Look for a scan tool that is easy to use and has a clear and intuitive interface.
  • Updateability: Choose a scan tool that can be updated with the latest software and vehicle information.
  • Price: Consider your budget and choose a scan tool that offers the best value for your money.
  • Reviews and Ratings: Read reviews and ratings from other users to get an idea of the scan tool’s performance and reliability.

7. What Are the Common Diagnostic Trouble Codes (DTCs) for Mercedes-Benz Vehicles?

Mercedes-Benz vehicles, like all modern cars, generate Diagnostic Trouble Codes (DTCs) when the onboard diagnostic system detects a problem. The Kobra CAN OBD2 scan tool is instrumental in reading and interpreting these codes, allowing for efficient troubleshooting. Common DTCs in Mercedes-Benz vehicles include:

  • P0171: System Too Lean (Bank 1) – This code indicates that the engine is receiving too much air or not enough fuel. According to a study by the National Institute for Automotive Service Excellence (ASE), lean conditions can lead to engine damage if not addressed promptly.
  • P0174: System Too Lean (Bank 2) – Similar to P0171, but it applies to the second bank of cylinders.
  • P0300: Random/Multiple Cylinder Misfire Detected – This code suggests that one or more cylinders are misfiring, which can cause rough idling and reduced performance. Research from the Society of Automotive Engineers (SAE) indicates that misfires can significantly increase emissions and reduce fuel efficiency.
  • P0400: Exhaust Gas Recirculation Flow Malfunction – This code indicates a problem with the Exhaust Gas Recirculation (EGR) system, which is designed to reduce emissions.
  • P0420: Catalyst System Efficiency Below Threshold (Bank 1) – This code suggests that the catalytic converter is not functioning efficiently.
  • P0505: Idle Air Control System Malfunction – This code indicates a problem with the idle air control system, which regulates the engine’s idle speed.
  • P0700: Transmission Control System Malfunction – This code indicates a problem with the transmission control system.
  • C1000: BAS (Brake Assist System) Control Module – This code indicates a problem with the Brake Assist System.
  • B1000: Control Module Fault – This generic code can refer to issues with various control modules within the vehicle.
  • U0100: Lost Communication With ECM/PCM – This code indicates a loss of communication with the Engine Control Module (ECM) or Powertrain Control Module (PCM).

8. How to Interpret DTCs Using the Kobra CAN OBD2 Scan Tool?

Interpreting DTCs with the Kobra CAN OBD2 scan tool involves understanding the structure and meaning of the codes. DTCs are typically five-character alphanumeric codes, where each character provides specific information:

  • First Character: Indicates the system related to the code:
    • P: Powertrain (engine, transmission)
    • B: Body (airbags, power windows)
    • C: Chassis (ABS, suspension)
    • U: Network (communication)
  • Second Character: Indicates whether the code is generic or manufacturer-specific:
    • 0: Generic (SAE) code
    • 1: Manufacturer-specific code
  • Third Character: Indicates the subsystem:
    • 1: Fuel and air metering
    • 2: Fuel and air metering (injector circuit)
    • 3: Ignition system
    • 4: Auxiliary emission controls
    • 5: Vehicle speed controls and idle control system
    • 6: Computer output system
    • 7: Transmission
    • 8: Transmission
  • Fourth and Fifth Characters: Provide more specific information about the fault.

For example, the code P0171 indicates a generic (0) powertrain (P) code related to fuel and air metering (1), with the specific fault being a “System Too Lean (Bank 1).”

9. What Are the Steps to Perform a Diagnostic Scan on a Mercedes-Benz Using the Kobra CAN OBD2 Scan Tool?

To perform a diagnostic scan on a Mercedes-Benz using the Kobra CAN OBD2 scan tool, follow these steps:

  1. Locate the OBD2 Port: The OBD2 port is typically located under the dashboard on the driver’s side.
  2. Connect the Scan Tool: Plug the Kobra CAN OBD2 scan tool into the OBD2 port.
  3. Turn on the Ignition: Turn the ignition key to the “ON” position without starting the engine.
  4. Power on the Scan Tool: The scan tool should power on automatically. If not, check the power switch.
  5. Select Vehicle Information: Enter the vehicle’s make, model, and year into the scan tool.
  6. Read Diagnostic Trouble Codes (DTCs): Select the option to read DTCs. The scan tool will retrieve any stored codes from the vehicle’s ECU.
  7. Interpret the Codes: Use the scan tool’s built-in code definitions or a reference manual to interpret the meaning of the codes.
  8. Clear the Codes (Optional): If you have addressed the underlying issues, you can select the option to clear the codes.
  9. Monitor Real-time Data: Use the scan tool to monitor real-time sensor data, such as engine speed, coolant temperature, and oxygen sensor readings.
  10. Perform Additional Tests: Depending on the scan tool’s capabilities, you may be able to perform additional tests, such as O2 sensor testing or I/M readiness monitoring.
  11. Disconnect the Scan Tool: Once you have finished your diagnostic scan, disconnect the scan tool from the OBD2 port.

10. What Are the Limitations of the Kobra CAN OBD2 Scan Tool?

While the Kobra CAN OBD2 scan tool is a valuable tool for diagnosing and monitoring Mercedes-Benz vehicles, it does have some limitations:

  • Limited Coverage: Some scan tools may not support all Mercedes-Benz models or all diagnostic functions.
  • Complexity: Interpreting DTCs and sensor data can be complex and may require technical knowledge.
  • Accuracy: The accuracy of the scan tool’s readings depends on the quality of the tool and the accuracy of the vehicle’s sensors.
  • Software Updates: Scan tools may require regular software updates to support new vehicles and diagnostic functions.
  • Not a Replacement for Professional Diagnosis: The Kobra CAN OBD2 scan tool is not a replacement for professional diagnosis by a qualified technician. More complex issues may require specialized tools and expertise.
Read more: Is the Eco OBD2 Fuel Saver Worth It? An Expert Review

11. How Can I Update the Software on My Kobra CAN OBD2 Scan Tool?

Keeping your Kobra CAN OBD2 scan tool updated with the latest software is crucial for optimal performance and compatibility. Here’s a general guide on how to update the software:

  1. Check for Updates: Most scan tools have a built-in function to check for updates. Look for an option in the menu that says “Update,” “Software Update,” or something similar.
  2. Connect to a Computer: Typically, you’ll need to connect your scan tool to a computer via a USB cable.
  3. Download Update Software: Visit the manufacturer’s website and download the update software for your specific scan tool model.
  4. Install the Software: Install the update software on your computer.
  5. Follow On-Screen Instructions: The update software will usually guide you through the process of updating the scan tool’s firmware. This may involve selecting the correct COM port, putting the scan tool in update mode, and uploading the new firmware.
  6. Verify the Update: Once the update is complete, verify that the scan tool is running the latest software version.

12. What Are the Maintenance Tips for the Kobra CAN OBD2 Scan Tool?

To ensure your Kobra CAN OBD2 scan tool remains in good working condition, follow these maintenance tips:

  • Store the Scan Tool in a Safe Place: Store the scan tool in a clean, dry place when not in use.
  • Protect the Screen: Use a screen protector to prevent scratches and damage to the screen.
  • Clean the Scan Tool Regularly: Clean the scan tool with a soft, damp cloth to remove dirt and grime.
  • Avoid Extreme Temperatures: Do not expose the scan tool to extreme temperatures, as this can damage the internal components.
  • Handle with Care: Avoid dropping or mishandling the scan tool, as this can cause damage.
  • Check the Cables: Regularly check the cables for damage and replace them if necessary.
  • Keep the Software Updated: Keep the scan tool’s software updated with the latest versions to ensure optimal performance.

13. What Are the Alternatives to the Kobra CAN OBD2 Scan Tool?

While the Kobra CAN OBD2 scan tool is a popular choice for Mercedes-Benz diagnostics, several alternatives are available:

  • Autel MaxiCOM MK808: A versatile scan tool with advanced diagnostic functions and support for a wide range of vehicles.
  • Launch X431 V+: A professional-grade scan tool with comprehensive diagnostic capabilities and online programming functions.
  • iCarsoft MB II: A Mercedes-Benz-specific scan tool with support for all Mercedes-Benz models and diagnostic functions.
  • BlueDriver Bluetooth Professional OBDII Scan Tool: A Bluetooth-based scan tool that connects to your smartphone or tablet and provides diagnostic information through a mobile app.
  • Mercedes-Benz Star Diagnosis System: The official diagnostic system used by Mercedes-Benz dealerships, offering the most comprehensive diagnostic capabilities.

14. How to Use the Kobra CAN OBD2 Scan Tool to Unlock Hidden Features on Your Mercedes-Benz?

Unlocking hidden features on your Mercedes-Benz can enhance its functionality and personalization. The Kobra CAN OBD2 scan tool, when used with appropriate software and knowledge, can help you access these features. Here’s how:

  1. Research Compatible Features: Not all hidden features are accessible on every Mercedes-Benz model. Research which features can be unlocked on your specific vehicle. Popular hidden features include:
    • Cornering Lights: Activating fog lights as cornering lights to improve visibility during turns.
    • Comfort Closing: Enabling the ability to close windows and the sunroof with the key fob.
    • AMG Menu: Displaying an AMG-style menu on the instrument cluster.
    • Video in Motion: Allowing video playback on the infotainment system while driving (Note: Check local laws regarding this feature).
    • Acoustic Lock/Unlock Confirmation: Enabling a beep sound when locking or unlocking the vehicle.
  2. Acquire Necessary Software: You may need specific software designed for unlocking hidden features on Mercedes-Benz vehicles. Popular options include:
    • Vediamo: A powerful diagnostic and coding tool used by Mercedes-Benz engineers.
    • DTS Monaco: Another professional-level tool for advanced diagnostics and coding.
    • Third-Party Apps: Some third-party apps are designed to work with OBD2 scan tools to unlock specific features.
  3. Connect the Scan Tool: Connect the Kobra CAN OBD2 scan tool to your Mercedes-Benz’s OBD2 port.
  4. Launch the Software: Open the coding software on your computer and connect it to the scan tool.
  5. Navigate to Coding/Variant Coding: Look for a section in the software that allows you to modify vehicle settings. This may be labeled as “Coding,” “Variant Coding,” or something similar.
  6. Locate the Feature to Unlock: Find the specific feature you want to unlock in the software’s menu. This may involve navigating through different modules and submenus.
  7. Change the Setting: Change the setting for the feature to the desired value. For example, you may need to change a value from “Inactive” to “Active” or from “No” to “Yes.”
  8. Apply the Changes: Apply the changes and wait for the software to write the new settings to the vehicle’s ECU.
  9. Test the Feature: After the changes have been applied, test the feature to ensure it is working correctly.
  10. Clear Any Fault Codes: After coding, it’s a good idea to clear any fault codes that may have been generated.

Note: Unlocking hidden features can be complex and may void your vehicle’s warranty. Proceed with caution and consult with a qualified technician if you are unsure about any of the steps involved.

15. What Are the Safety Precautions to Take When Using the Kobra CAN OBD2 Scan Tool?

When using the Kobra CAN OBD2 scan tool, it’s important to take the following safety precautions:

  • Read the Instructions: Always read and understand the scan tool’s instructions before using it.
  • Disconnect the Battery: Disconnect the vehicle’s battery before performing any repairs or modifications.
  • Wear Safety Glasses: Wear safety glasses to protect your eyes from debris and fluids.
  • Work in a Well-Ventilated Area: Work in a well-ventilated area to avoid breathing in harmful fumes.
  • Use Caution When Working with Electricity: Use caution when working with electricity to avoid electric shock.
  • Do Not Drive While Using the Scan Tool: Do not drive while using the scan tool, as this can be distracting and dangerous.
  • Consult a Professional: If you are unsure about any of the steps involved, consult with a qualified technician.
Read more: How Can I Use Bluetooth OBD2 with Laptop for Mercedes-Benz Diagnostics?

16. How to Troubleshoot Common Issues with the Kobra CAN OBD2 Scan Tool?

If you encounter issues while using the Kobra CAN OBD2 scan tool, try the following troubleshooting steps:

  • Check the Connection: Ensure the scan tool is securely connected to the OBD2 port.
  • Verify the Power: Make sure the scan tool is powered on and the battery is charged.
  • Check the Compatibility: Ensure the scan tool is compatible with your vehicle’s make, model, and year.
  • Update the Software: Update the scan tool’s software to the latest version.
  • Restart the Scan Tool: Try restarting the scan tool.
  • Consult the Manual: Refer to the scan tool’s manual for troubleshooting tips.
  • Contact Customer Support: Contact the manufacturer’s customer support for assistance.

17. What Are the Future Trends in OBD2 Scan Tool Technology?

The field of OBD2 scan tool technology is constantly evolving, with several exciting trends on the horizon:

  • Increased Integration with Mobile Devices: More scan tools are being designed to integrate seamlessly with smartphones and tablets, offering enhanced functionality and user experience.
  • Cloud-Based Diagnostics: Cloud-based diagnostics platforms are becoming increasingly popular, providing access to vast databases of vehicle information and diagnostic resources.
  • Artificial Intelligence (AI) and Machine Learning (ML): AI and ML are being used to develop more intelligent scan tools that can automatically diagnose complex issues and provide repair recommendations.
  • Remote Diagnostics: Remote diagnostics capabilities are becoming more common, allowing technicians to diagnose and repair vehicles remotely.
  • Enhanced Cybersecurity: With the increasing connectivity of vehicles, cybersecurity is becoming a major concern. Future OBD2 scan tools will incorporate enhanced security features to protect against cyberattacks.
  • Support for Electric Vehicles (EVs) and Hybrid Vehicles: As EVs and hybrid vehicles become more prevalent, OBD2 scan tools are being developed to support their unique diagnostic needs.
  • Bidirectional Control: Scan tools with bidirectional control capabilities allow technicians to command vehicle components to perform specific actions, such as activating a fuel pump or opening a throttle valve, to diagnose issues more effectively.

18. What Are the Legal Considerations When Using the Kobra CAN OBD2 Scan Tool?

When using the Kobra CAN OBD2 scan tool, it’s important to be aware of the following legal considerations:

  • Warranty: Unlocking hidden features or modifying vehicle settings may void your vehicle’s warranty.
  • Emissions Regulations: Tampering with emissions-related systems may violate federal and state emissions regulations.
  • Data Privacy: Be aware of the data privacy implications of using a scan tool that collects and transmits vehicle data.
  • Local Laws: Check local laws and regulations regarding the use of scan tools and the modification of vehicle settings.

19. What Training Resources Are Available for the Kobra CAN OBD2 Scan Tool?

To get the most out of your Kobra CAN OBD2 scan tool, consider the following training resources:

  • Manufacturer’s Manual: The manufacturer’s manual provides detailed instructions on how to use the scan tool and interpret the data it provides.
  • Online Tutorials: Many online tutorials and videos demonstrate how to use the scan tool and perform various diagnostic procedures.
  • Automotive Forums: Automotive forums can be a valuable resource for getting advice and tips from other scan tool users.
  • Training Courses: Consider taking a training course on automotive diagnostics to learn more about how to use the scan tool and interpret the data it provides.
  • MERCEDES-DIAGNOSTIC-TOOL.EDU.VN: Our website offers comprehensive guides, tutorials, and support to help you master the Kobra CAN OBD2 scan tool and other diagnostic tools.

20. How Does MERCEDES-DIAGNOSTIC-TOOL.EDU.VN Support Kobra CAN OBD2 Scan Tool Users?

At MERCEDES-DIAGNOSTIC-TOOL.EDU.VN, we are committed to providing comprehensive support to Kobra CAN OBD2 scan tool users. Our services include:

  • Detailed Guides and Tutorials: We offer step-by-step guides and tutorials on how to use the Kobra CAN OBD2 scan tool for various diagnostic and maintenance tasks.
  • Troubleshooting Assistance: Our team of experts can help you troubleshoot common issues with the scan tool and interpret diagnostic trouble codes.
  • Feature Unlocking Support: We provide guidance on unlocking hidden features on your Mercedes-Benz using the Kobra CAN OBD2 scan tool and other coding tools.
  • Software Recommendations: We recommend the best software and apps for use with the Kobra CAN OBD2 scan tool.
  • Community Forum: Our community forum provides a platform for users to share tips, ask questions, and get support from other Mercedes-Benz enthusiasts.
  • Contact Us Directly: For personalized assistance, you can contact us directly via WhatsApp at +1 (641) 206-8880 or visit our website at MERCEDES-DIAGNOSTIC-TOOL.EDU.VN. Our address is 789 Oak Avenue, Miami, FL 33101, United States.

FAQ Section

Read more: What is the Best OBD1 and OBD2 Automotive Scanner for My Car?

Q1: What is the best OBD2 scan tool for Mercedes-Benz?

The best OBD2 scan tool for Mercedes-Benz depends on your needs and budget. Options include the Autel MaxiCOM MK808, Launch X431 V+, iCarsoft MB II, and the Kobra CAN OBD2 scan tool. Consider features, compatibility, and user reviews when making your choice.

Q2: How do I unlock hidden features on my Mercedes-Benz?

To unlock hidden features, you’ll need an OBD2 scan tool like the Kobra CAN, coding software (e.g., Vediamo or DTS Monaco), and the knowledge to modify vehicle settings. Research compatible features for your model and follow the software’s instructions carefully.

Q3: How often should I perform routine maintenance on my Mercedes-Benz?

Mercedes-Benz recommends routine maintenance every 10,000 miles or once a year, whichever comes first. This includes oil changes, filter replacements, and inspections.

Q4: What does the P0420 code mean on a Mercedes-Benz?

The P0420 code indicates that the catalytic converter’s efficiency is below the required threshold (Bank 1). This could be due to a faulty catalytic converter, oxygen sensor issues, or exhaust leaks.

Q5: Can I use a generic OBD2 scanner on my Mercedes-Benz?

Yes, you can use a generic OBD2 scanner to read basic diagnostic trouble codes (DTCs) on your Mercedes-Benz. However, for more advanced diagnostics and features, a Mercedes-Benz-specific scanner is recommended.

Q6: How do I reset the service indicator on my Mercedes-Benz?

Read more: How Do You Use Chevy Volt Custom OBD2 PIDs For Diagnostics?

The procedure for resetting the service indicator varies depending on the model year. Typically, it involves using the steering wheel buttons and the instrument cluster display to navigate to the service menu and reset the indicator.

Q7: What is the function of the oxygen sensor in my Mercedes-Benz?

The oxygen sensor measures the amount of oxygen in the exhaust gas and sends this information to the engine control unit (ECU). The ECU uses this data to adjust the air-fuel mixture for optimal combustion and emissions control.

Q8: How do I check the engine coolant level in my Mercedes-Benz?

To check the engine coolant level, locate the coolant reservoir under the hood. The reservoir should have markings indicating the minimum and maximum coolant levels. Ensure the coolant level is between these markings when the engine is cold.

Q9: What are the symptoms of a faulty mass airflow (MAF) sensor in my Mercedes-Benz?

Symptoms of a faulty MAF sensor include poor engine performance, rough idling, decreased fuel economy, and a check engine light.

Q10: Where can I find reliable repair information for my Mercedes-Benz?

Reliable repair information can be found in the Mercedes-Benz owner’s manual, service manuals, online forums, and websites like MERCEDES-DIAGNOSTIC-TOOL.EDU.VN.

Ready to Enhance Your Mercedes-Benz Experience?

Unlock the full potential of your Mercedes-Benz with the Kobra CAN OBD2 scan tool and the expert guidance from MERCEDES-DIAGNOSTIC-TOOL.EDU.VN. Whether you’re looking to diagnose issues, unlock hidden features, or perform routine maintenance, we’re here to help. Contact us today via WhatsApp at +1 (641) 206-8880 or visit our website at MERCEDES-DIAGNOSTIC-TOOL.EDU.VN. Our address is 789 Oak Avenue, Miami, FL 33101, United States. Let us help you take control of your Mercedes-Benz ownership experience.

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