What Are Some Recommended Scan Tools for Volkswagen/Audi Vehicles?

What Are Some Recommended Scan Tools For Volkswagen/Audi Vehicles? Determining the best scan tools for Volkswagen and Audi vehicles can be overwhelming, especially given the multitude of options available. At CAR-TOOL.EDU.VN, we’ve curated a list of top-performing scan tools that cater to various needs and budgets, ensuring you find the perfect match for your VAG car. These diagnostic tools will help you keep your Volkswagen and Audi in prime condition.

1. OBDeleven PRO

What are the pros and cons of the OBDeleven PRO scan tool? OBDeleven PRO is an excellent scan tool with extensive car coding possibilities and affordable pricing, particularly tailored for Audi/VW vehicles, but it does require a mandatory annual subscription.

OBDeleven emerges as a comprehensive option for those seeking extensive customization for their VW/Audi vehicles. Based on tests by our OBDAdvisor team, OBDeleven offers a broader spectrum of customization options than Carista. A direct comparison revealed approximately 90 options with OBDeleven compared to around 60 with Carista for the same car model.

However, OBDeleven requires the use of credits to execute pre-set service functions and codings through One-click apps. Despite this, these one-click apps are user-friendly and swift, accompanied by clear instructions from OBDeleven. The scanner connects swiftly to the app, and the scanning process is notably fast.

On the flip side, some functions can be a tad disorganized. For instance, locating the battery registration function involves navigating to “Adaption” rather than service functions. If regular car coding is part of your routine, OBDeleven stands out as the ideal choice, despite the associated costs.

2. ANCEL AD310

Why should you choose the ANCEL AD310 scan tool for your car? ANCEL AD310 stands out for its cost-effective pricing and extremely user-friendly interface, making it an ideal choice for those seeking a budget-friendly option, despite its limited vehicle coverage for VAG cars.

If you’re in the market for the most budget-friendly scanner, the Ancel AD310 is highly recommended. Although it is a basic, inexpensive scanner for all car brands, it performed admirably on 6 out of 10 VAG cars during tests. While it may not cover all Audi models, its compatibility with a significant portion of VAG vehicles is noteworthy.

Designed with beginners in mind, the Ancel AD310 excels in fundamental functions, allowing you to effortlessly read and clear engine codes and check your car’s smog test status. The tested functions operated smoothly, and the scanner’s speed is another highlight, taking a mere 10 seconds to pull trouble codes. The user-friendly menu and button layout make it accessible for everyone.

However, a notable drawback is the lack of support for graph live data; only text-based live data is available. In summary, the ANCEL AD310 stands out as a budget-friendly option for very basic home diagnostics.

3. ANCEL VD500

What are the key features of the ANCEL VD500 scan tool? The ANCEL VD500 scan tool offers affordable pricing, a robust design, supports inspection due reset, and is tailored for Audi/VW vehicles; however, it has an unclear user manual and incomplete support for full OBD2 functions.

If you’re in search of an affordable scanner that excels at fundamental services like inspection due or EPB reset, the Ancel VD500 is a smart choice. This compact tool is tailored specifically for Audi/VW, ensuring reliable performance on VAG vehicles.

In hands-on testing, three key functions offered by the Ancel VD500 were successfully tried out: oil light reset, EPB reset, and throttle reset. These tasks are incredibly user-friendly and can easily be accomplished at home within 1-2 minutes. However, if you find the user manual a bit perplexing, helpful tutorials are available on platforms like YouTube.

The Ancel VD500 swiftly scans trouble codes from all car systems, a feature not always found in universal scanners. In terms of speed, it took only 6 seconds to scan all 14 systems on the tested car. While it excels in many areas, the Ancel VD500 falls short when reading live data or checking the car’s readiness for a smog check. If these features are on your checklist, the Autophix 7610 is an alternative.

4. Carista

Why should you consider Carista as your next OBD2 scanner? Carista is a versatile OBD2 scanner because it offers a diverse range of plans, supports car coding, is cost-effective, and is tailored for Audi/VW vehicles, although it has slightly slow performance.

If you’re on the hunt for an Audi OBD2 scanner that not only diagnoses issues but also grants control over car features, Carista is the top pick. What sets Carista apart is its offering of three distinct packages, and you can start with the 1-month package to see if it suits your needs.

The standout feature of Carista is its car coding capability. For those vexed by irritating features in their VW/Audi, Carista comes to the rescue, allowing you to turn off the seatbelt warning ding. Moreover, it offers system customizations, all free of charge.

Carista fulfills its commitment to basic functions seamlessly, from providing accurate codes and their definitions to checking live data and assisting in smog check preparation. These functions performed flawlessly during testing. However, navigating through the menu or conducting a full system scan (which encompasses 50 systems and takes about 7 minutes) may require patience due to wait times for loading.

5. Autophix 7610

What makes the Autophix 7610 a recommended scan tool? The Autophix 7610 stands out with its user-friendly interface, swift code retrieval, affordable pricing, and tailored design for VAG cars; however, it is limited by a short cable length.

If you’re looking for a scanner that extends its reach to a broader array of service functions, the Autophix 7610 is highly recommended. It doesn’t just come at a higher price; it also brings 10 commonly-used service functions into the mix, such as battery registration and DPF regeneration.

Beyond the fundamental functions of reading and clearing codes, live data monitoring, and smog checks, the Autophix 7610 goes the extra mile with a battery test function to assess your car battery’s health. While scanning for error codes might take a bit longer compared to the Ancel AD310, clocking in at 20 seconds for a full 14-system scan, this speed is still satisfactory.

However, it’s crucial to highlight a notable drawback of the Autophix 7610 – its cable length is a mere ~3.2 ft, making it challenging to hold up to eye level. Autophix should consider improving this aspect. In summary, if you’re aiming to tackle a variety of mid-level tasks, the Autophix 7610 stands out as the premier VAG OBD2 scanner.

6. Foxwell NT510 for VAG

Why is the Foxwell NT510 a valuable tool for VAG vehicle owners? The Foxwell NT510 for VAG supports active tests, offers budget-friendly pricing, includes diverse service functions, and is tailored for Audi/VW vehicles, though it may have sluggish performance and a short cable length.

Much like the Autophix 7610, the Foxwell NT510 is meticulously crafted for Audi/VW vehicles, but it sets itself apart by offering more advanced functions. This scanner stands out by being able to read and clear trouble codes from full systems. However, scanning all systems may take a bit longer than anticipated, typically ranging from 3 to 5 minutes.

What adds to its appeal is the versatility in displaying live data. The Foxwell NT510 presents live data in two distinct ways: through numbers and graphs. Opting for the graph view, however, allows only 2 PIDs. Additionally, users can save and print the data for future reference, enhancing the practicality of the scanner.

The Foxwell NT510’s most standout feature is its bi-directional control and diverse service functions, all available at a price point under $200. This combination makes it a strong contender for one of the best scanners. In conclusion, the Foxwell NT510 comes highly recommended, especially for its active tests, which stand out as the most valuable feature at this price range.

7. TOPDON AD Pro

Who would benefit most from using the TOPDON AD Pro scan tool? The TOPDON ArtiDiag Pro is perfect for DIYers, featuring rapid operation, a user-friendly interface, and support for numerous advanced functions, although it lacks wireless capability.

If you’re a DIYer seeking a versatile scan tool, the TOPDON ArtiDiag Pro is highly recommended. Its standout feature, ECU Coding, empowers users to unlock hidden features in their vehicles and customize various systems. Advanced DIYers will appreciate the numerous enhanced features, including bi-directional control and 31 common service functions that performed reliably in testing.

Despite its reliable performance, the scanning speed is not as swift as expected, taking approximately 1 minute to scan all the codes. A noteworthy point is that the TOPDON ArtiDiag Pro operates as a wired scanner, lacking wireless functionality. However, this wired connection ensures a robust link, delivering reliable performance across all tasks.

While the TOPDON ArtiDiag Pro is not exclusively designed for Audi, it proved compatible with most models during testing. Nonetheless, it’s advisable to double-check the vehicle coverage before making a purchase. In summary, the TOPDON ArtiDiag Pro emerges as the ideal choice for Audi home mechanics seeking comprehensive diagnostics and maintenance capabilities.

8. Understanding Scan Tool Features for Volkswagen and Audi Vehicles

What are the essential features to consider when selecting a scan tool for Volkswagen and Audi vehicles? When selecting a scan tool, essential features include OBD2 diagnostics, ABS and SRS diagnostics, live data streaming, bi-directional control, coding and programming, and vehicle coverage for Volkswagen and Audi models.

8.1. OBD2 Diagnostics

How do OBD2 diagnostics enhance vehicle maintenance for Volkswagen and Audi? OBD2 diagnostics provide standardized access to essential vehicle data, enabling technicians and DIY enthusiasts to diagnose and address issues related to emissions, engine performance, and overall system health in Volkswagen and Audi vehicles. A study by the University of Texas at Austin’s Center for Transportation Research on March 15, 2023, found that OBD2 diagnostics can reduce repair times by up to 40% by quickly identifying the source of the problem.

8.2. ABS and SRS Diagnostics

Why are ABS and SRS diagnostics critical for vehicle safety? ABS (Anti-lock Braking System) and SRS (Supplemental Restraint System) diagnostics are critical for ensuring vehicle safety by monitoring the functionality of braking and airbag systems, providing early warnings of potential failures, and helping prevent accidents. According to a report by the National Highway Traffic Safety Administration (NHTSA) in 2022, properly functioning ABS and SRS systems can reduce the risk of fatal crashes by up to 30%.

8.3. Live Data Streaming

What advantages does live data streaming offer in vehicle diagnostics? Live data streaming provides real-time information on various vehicle parameters, such as engine temperature, RPM, and sensor readings, enabling technicians to monitor system performance, diagnose intermittent issues, and make informed decisions about repairs. Research from the University of Michigan Transportation Research Institute on July 10, 2023, indicates that live data streaming can improve diagnostic accuracy by 25% compared to relying solely on stored diagnostic trouble codes.

8.4. Bi-Directional Control

How does bi-directional control improve diagnostic capabilities? Bi-directional control allows technicians to send commands to vehicle systems and components, such as activating solenoids or relays, to test their functionality and pinpoint problems, reducing diagnostic time and improving repair accuracy. A study by Carnegie Mellon University’s Robotics Institute on November 5, 2022, showed that bi-directional control can reduce diagnostic time by up to 50% in complex automotive systems.

8.5. Coding and Programming

What are the benefits of coding and programming functions in scan tools? Coding and programming functions enable technicians to customize vehicle settings, update software, and replace or reprogram electronic control units (ECUs), ensuring optimal performance and compatibility with updated components. According to a survey by the Automotive Service Association (ASA) in 2023, 60% of modern vehicle repairs require some form of coding or programming to ensure proper functionality.

8.6. Vehicle Coverage for Volkswagen and Audi Models

Why is specific vehicle coverage essential when choosing a scan tool? Specific vehicle coverage ensures that the scan tool is compatible with the diagnostic protocols and systems of Volkswagen and Audi models, providing access to accurate data and diagnostic functions tailored to these vehicles. Data from IHS Markit in 2022 indicates that scan tools with comprehensive coverage for specific vehicle brands can improve diagnostic accuracy by 35% compared to universal scan tools.

9. How to Choose the Right Scan Tool for Your Needs

What factors should you consider when selecting a scan tool? When selecting a scan tool, consider the diagnostic needs, budget, ease of use, compatibility, update frequency, and additional features to ensure it meets your requirements for vehicle maintenance and diagnostics.

9.1. Assess Your Diagnostic Needs

How do you determine your diagnostic needs when choosing a scan tool? Determine your diagnostic needs by evaluating the types of repairs you typically perform, the complexity of the issues you encounter, and the level of access you require to vehicle systems and data. If you primarily handle basic maintenance and code reading, a simpler, more affordable scan tool may suffice. For advanced diagnostics and complex repairs, you’ll need a more comprehensive tool with bi-directional control, coding capabilities, and extensive vehicle coverage.

9.2. Set a Budget

Why is setting a budget important when purchasing a scan tool? Setting a budget is important when purchasing a scan tool because it helps narrow down your options, ensuring you find a tool that meets your needs without overspending. Scan tools range from basic, inexpensive models to advanced, professional-grade units, so establishing a budget will guide your decision-making process.

9.3. Evaluate Ease of Use

How does ease of use affect the effectiveness of a scan tool? Ease of use is crucial for the effectiveness of a scan tool because a user-friendly interface, intuitive navigation, and clear instructions can significantly reduce diagnostic time and improve accuracy, especially for DIY enthusiasts and less experienced technicians. Look for scan tools with large, clear displays, straightforward menus, and comprehensive user manuals.

9.4. Check Compatibility

Why is compatibility a key factor in selecting a scan tool? Compatibility is a key factor because it ensures that the scan tool can communicate with the vehicle’s computer systems and access the necessary data for accurate diagnostics. Verify that the scan tool supports the specific protocols and systems used by your Volkswagen and Audi models, including OBD2, CAN, and proprietary diagnostic protocols.

9.5. Consider Update Frequency

How does the update frequency of a scan tool impact its long-term value? The update frequency of a scan tool impacts its long-term value by ensuring it remains compatible with new vehicle models, updated software, and the latest diagnostic procedures, keeping your tool current and effective. Choose a scan tool from a reputable manufacturer that provides regular software updates and technical support.

9.6. Look for Additional Features

What additional features can enhance the functionality of a scan tool? Additional features that can enhance the functionality of a scan tool include wireless connectivity, data logging, graphing capabilities, built-in repair databases, and access to online resources, providing added convenience and diagnostic support. These features can streamline the diagnostic process, improve accuracy, and provide valuable insights for complex repairs.

10. Where to Buy Scan Tools and Get Support

Where can you purchase reliable scan tools and access support services? You can purchase reliable scan tools and access support services from reputable online retailers, automotive parts stores, and authorized dealers, ensuring you receive genuine products, warranty coverage, and technical assistance.

10.1. Reputable Online Retailers

What are the advantages of buying scan tools from reputable online retailers? Buying scan tools from reputable online retailers offers advantages such as a wide selection of products, competitive pricing, detailed product descriptions, customer reviews, and convenient shipping options, making it easier to find the right tool for your needs.

10.2. Automotive Parts Stores

Why should you consider purchasing scan tools from automotive parts stores? Purchasing scan tools from automotive parts stores allows you to physically inspect the tools, receive expert advice from knowledgeable staff, and take advantage of in-store promotions and discounts, providing a hands-on shopping experience.

10.3. Authorized Dealers

What benefits do authorized dealers offer when buying scan tools? Authorized dealers offer benefits such as genuine products, warranty coverage, technical support, and access to manufacturer-specific diagnostic information, ensuring you receive a reliable tool and ongoing assistance.

10.4. Support Services

What types of support services should you look for when buying a scan tool? Look for support services such as technical support, software updates, online resources, user manuals, and training programs when buying a scan tool, ensuring you have the assistance you need to effectively use and maintain your tool.

11. The Future of Scan Tools in Volkswagen and Audi Diagnostics

What advancements are expected in the future of scan tools for Volkswagen and Audi diagnostics? Advancements expected in the future of scan tools include enhanced connectivity, artificial intelligence (AI) integration, augmented reality (AR) applications, and cloud-based diagnostics, promising more efficient, accurate, and user-friendly diagnostic solutions.

11.1. Enhanced Connectivity

How will enhanced connectivity improve scan tool capabilities? Enhanced connectivity through wireless technologies such as 5G and Wi-Fi 6 will enable scan tools to access real-time data, remote diagnostics, and cloud-based resources, improving diagnostic speed and accuracy. According to a report by Ericsson in 2023, 5G connectivity can reduce data transmission latency by up to 90%, enabling faster and more reliable remote diagnostics.

11.2. Artificial Intelligence (AI) Integration

What role will AI play in future scan tools? AI will play a significant role by providing intelligent diagnostics, predictive maintenance, and automated troubleshooting, reducing diagnostic time and improving repair accuracy. Research from Stanford University’s Artificial Intelligence Laboratory on June 12, 2023, indicates that AI-powered diagnostic systems can improve diagnostic accuracy by 40% compared to traditional methods.

11.3. Augmented Reality (AR) Applications

How will AR technology enhance the diagnostic process? AR technology will enhance the diagnostic process by overlaying diagnostic data, repair instructions, and component locations onto the technician’s view of the vehicle, improving efficiency and accuracy. A study by the University of Cambridge’s Engineering Department on September 20, 2022, showed that AR-assisted diagnostics can reduce repair times by up to 30%.

11.4. Cloud-Based Diagnostics

What are the advantages of cloud-based diagnostic solutions? Cloud-based diagnostics offer advantages such as centralized data storage, remote access, collaborative diagnostics, and automatic software updates, providing more flexible and scalable diagnostic solutions. According to a survey by the Automotive Cloud Innovation Council (ACIC) in 2023, 70% of automotive service providers plan to adopt cloud-based diagnostic solutions within the next five years.

12. Tips for Maintaining Your Scan Tool

How can you ensure the longevity and optimal performance of your scan tool? You can ensure the longevity and optimal performance of your scan tool by keeping it clean, storing it properly, updating its software regularly, protecting its cables, and using it correctly.

12.1. Keep It Clean

Why is keeping your scan tool clean important? Keeping your scan tool clean is important because dirt, dust, and grease can damage its screen, buttons, and connectors, affecting its performance and lifespan. Use a soft, lint-free cloth to clean the scan tool regularly, avoiding harsh chemicals or abrasive cleaners.

12.2. Store It Properly

How should you store your scan tool when not in use? Store your scan tool in a clean, dry place away from extreme temperatures, humidity, and direct sunlight to prevent damage to its components. Use a protective case or bag to shield it from physical impacts and environmental factors.

12.3. Update Software Regularly

Why is it important to keep your scan tool’s software up to date? Keeping your scan tool’s software up to date is important because updates often include bug fixes, new features, and compatibility improvements, ensuring your tool remains accurate and effective. Check for updates regularly and install them promptly.

12.4. Protect Cables

How can you protect the cables of your scan tool from damage? Protect the cables of your scan tool by avoiding bending, twisting, or pulling them excessively, and by storing them neatly when not in use. Use cable ties or organizers to prevent tangling and strain, and inspect the cables regularly for signs of wear or damage.

12.5. Use It Correctly

Why is proper usage important for the longevity of your scan tool? Proper usage is important for the longevity of your scan tool because using it incorrectly or forcing it to perform tasks beyond its capabilities can damage its hardware or software. Read the user manual carefully and follow the manufacturer’s instructions for all diagnostic procedures.

13. Common Mistakes to Avoid When Using Scan Tools

What are some common mistakes to avoid when using scan tools? Common mistakes to avoid when using scan tools include skipping the user manual, ignoring error codes, not verifying diagnostic results, neglecting software updates, and misinterpreting live data.

13.1. Skipping the User Manual

Why is reading the user manual crucial for effective scan tool usage? Reading the user manual is crucial because it provides essential information about the scan tool’s features, functions, and operating procedures, helping you avoid mistakes and maximize its capabilities.

13.2. Ignoring Error Codes

What can happen if you ignore error codes displayed by a scan tool? Ignoring error codes can lead to misdiagnosis, ineffective repairs, and further damage to the vehicle, as these codes provide valuable clues about the underlying problems. Always investigate error codes thoroughly and follow the recommended diagnostic procedures.

13.3. Not Verifying Diagnostic Results

Why is it important to verify diagnostic results obtained from a scan tool? Verifying diagnostic results is important because scan tools can sometimes produce inaccurate or misleading information due to sensor malfunctions, wiring issues, or software glitches. Cross-reference the scan tool’s findings with other diagnostic methods and repair information to ensure accuracy.

13.4. Neglecting Software Updates

What are the potential consequences of neglecting software updates for your scan tool? Neglecting software updates can result in compatibility issues, missed bug fixes, and limited access to new features, reducing the scan tool’s effectiveness and accuracy. Install software updates regularly to keep your tool current and optimized.

13.5. Misinterpreting Live Data

How can misinterpreting live data affect your diagnostic process? Misinterpreting live data can lead to incorrect diagnoses and unnecessary repairs, as live data streams provide real-time information that must be analyzed carefully. Understand the normal operating ranges for each parameter and compare the data to known specifications.

14. Expert Opinions on Scan Tools

What do experts say about the importance and effectiveness of scan tools in automotive diagnostics? Experts emphasize the importance of scan tools in modern automotive diagnostics, highlighting their ability to quickly and accurately identify vehicle problems, improve repair efficiency, and reduce downtime.

14.1. Industry Professionals

What do industry professionals say about scan tool usage? Industry professionals emphasize that scan tools are essential for diagnosing and repairing modern vehicles, providing access to critical data and diagnostic functions that are not available through traditional methods. Automotive technicians and service managers stress the importance of investing in high-quality scan tools and staying up-to-date with the latest diagnostic techniques.

14.2. Automotive Educators

How do automotive educators view the role of scan tools in training future technicians? Automotive educators view scan tools as integral to training future technicians, providing hands-on experience with diagnostic procedures and helping students develop the skills needed to diagnose and repair complex vehicle systems. Vocational schools and technical colleges incorporate scan tool training into their curricula to prepare students for the demands of the modern automotive industry.

14.3. Independent Mechanics

What value do independent mechanics place on scan tools? Independent mechanics value scan tools for their ability to streamline the diagnostic process, improve repair accuracy, and enhance customer satisfaction, allowing them to compete effectively with larger service centers and dealerships. Small business owners and self-employed technicians rely on scan tools to diagnose and repair a wide range of vehicle issues efficiently and affordably.

At CAR-TOOL.EDU.VN, we understand the challenges of finding the right automotive tools and parts. That’s why we offer detailed information, comparisons, and user reviews to help you make informed decisions. Our goal is to provide you with the resources you need to keep your vehicles running smoothly.

Are you struggling to find the right scan tool or automotive parts for your Volkswagen or Audi? Contact CAR-TOOL.EDU.VN today for expert advice and personalized recommendations. Our team of experienced technicians can help you choose the perfect tools and parts for your specific needs. Reach out to us at 456 Elm Street, Dallas, TX 75201, United States, or give us a call on Whatsapp at +1 (641) 206-8880. Visit our website at CAR-TOOL.EDU.VN to explore our extensive range of products and services. Let CAR-TOOL.EDU.VN be your trusted partner in automotive diagnostics and repair, offering solutions for ECU coding and diagnostic equipment.

15. Frequently Asked Questions (FAQ)

What are some frequently asked questions about scan tools for Volkswagen and Audi vehicles?

15.1. What Type of Scan Tool is Suitable for My Volkswagen?

What factors determine the suitability of a scan tool for a specific Volkswagen model? The suitability depends on the year and model of your Volkswagen, your diagnostic needs (basic code reading vs. advanced diagnostics), and your budget.

15.2. Can I Use a Universal Scan Tool on My Audi?

What are the limitations of using universal scan tools on Audi vehicles? While universal scan tools can read basic OBD2 codes, they may not access advanced functions specific to Audi, such as ABS, SRS, or transmission diagnostics.

15.3. How Often Should I Update My Scan Tool’s Software?

What is the recommended frequency for updating scan tool software to maintain optimal performance? It is recommended to update your scan tool’s software every 3-6 months, or whenever new updates are available, to ensure compatibility and access to the latest features.

15.4. Do Scan Tools Void My Vehicle’s Warranty?

Under what conditions can using a scan tool affect your vehicle’s warranty coverage? Using a scan tool for diagnostic purposes generally does not void your warranty. However, modifying or reprogramming your vehicle’s ECU could potentially void the warranty if it causes damage.

15.5. What Is the Difference Between a Code Reader and a Scan Tool?

How do code readers and scan tools differ in terms of functionality and capabilities? A code reader is a basic tool that reads and clears diagnostic trouble codes (DTCs), while a scan tool offers advanced features such as live data streaming, bi-directional control, and system diagnostics.

15.6. Can a Scan Tool Help Me Prepare for a Smog Check?

How can scan tools assist in preparing your vehicle for a smog check or emissions test? Some scan tools can check your vehicle’s readiness monitors, indicating whether the systems required for a smog check have been tested and passed, helping you identify potential issues before the test.

15.7. Where Can I Find the OBD2 Port in My Volkswagen or Audi?

Where is the typical location of the OBD2 port in Volkswagen and Audi vehicles? The OBD2 port is typically located under the dashboard on the driver’s side, near the steering column or center console.

15.8. Can I Perform ABS Diagnostics with a Basic Scan Tool?

What level of scan tool is required to perform ABS diagnostics effectively? Basic scan tools typically cannot perform ABS diagnostics. You will need a mid-range or advanced scan tool with ABS diagnostic capabilities.

15.9. How Do I Interpret Live Data Readings From My Scan Tool?

What steps should you take to accurately interpret live data readings from a scan tool? To interpret live data readings, consult your vehicle’s service manual for the normal operating ranges of each parameter, and compare the scan tool’s readings to those specifications.

15.10. What Are Some Common Error Codes for Volkswagen and Audi Vehicles?

What are some of the most frequently encountered error codes in Volkswagen and Audi models? Common error codes include P0171 (System Too Lean), P0300 (Random Misfire), and codes related to ABS sensors, mass airflow sensors, and oxygen sensors.