What Is The Best OBD2 Scanner With SAS Reset For Your Car?

Looking for an Obd2 Scanner With Sas reset capabilities? The OBD2 scanner with SAS (Steering Angle Sensor) reset is an invaluable tool, especially for Mercedes-Benz owners and technicians, allowing for accurate diagnostics and maintenance. At MERCEDES-DIAGNOSTIC-TOOL.EDU.VN, we provide comprehensive information and support to help you choose the right scanner and understand its benefits. Learn how this tool can streamline your car maintenance and improve vehicle safety with advanced diagnostic features and error code analysis.

1. What Is An OBD2 Scanner With SAS Reset?

An OBD2 scanner with SAS reset is a diagnostic tool designed to read and clear diagnostic trouble codes (DTCs) and reset the steering angle sensor (SAS) in modern vehicles. These scanners are essential for maintaining the safety and performance of cars, especially those with advanced driver-assistance systems (ADAS).

1.1. Comprehensive Explanation

An OBD2 scanner with SAS reset functionality serves multiple critical roles:

• Reading and Clearing DTCs: Identifies and clears error codes from various vehicle systems, including engine, transmission, ABS, and airbags.
• SAS Reset: Recalibrates the steering angle sensor after wheel alignments, suspension repairs, or SAS replacements. This ensures the accuracy of electronic stability control (ESC) and other ADAS features.

1.2. Importance of SAS Reset

The steering angle sensor measures the position of the steering wheel and sends this data to the vehicle’s computer. This information is crucial for systems like ESC, which helps prevent skidding and loss of control. According to the National Highway Traffic Safety Administration (NHTSA), ESC systems have significantly reduced single-vehicle crashes. Proper calibration of the SAS is essential for these systems to function correctly.

1.3. Functions of OBD2 Scanner

OBD2 scanners read and interpret data from a vehicle’s onboard computer, offering insights into its health. These scanners support all 10 OBD-II test modes, making them invaluable for everyday repair work.

1. Request Current Powertrain Diagnostic Data
2. Request Powertrain Freeze Frame Data
3. Request Emission-Related Diagnostic Trouble Codes
4. Clear/Reset Emission-Related Diagnostic Information
5. Request Oxygen Sensor Monitoring Test Results
6. Request On-Board Monitoring Test Results for Specific Monitored Systems
7. Request Emission-Related Diagnostic Trouble Codes Detected During Current or Last Completed Driving Cycle
8. Request Control of On-Board System Test or Component
9. Request Vehicle Information
10. Request Emission-Related Diagnostic Trouble Codes with Permanent Status

2. Who Needs An OBD2 Scanner With SAS Reset?

An OBD2 scanner with SAS reset is useful for various individuals and professionals in the automotive industry.

2.1. Car Owners

• Mercedes-Benz Owners: Ideal for those who prefer to handle routine maintenance and diagnostics themselves.
• DIY Enthusiasts: Perfect for individuals who enjoy working on their vehicles and want to save on repair costs.
• Owners of Vehicles with ADAS: Essential for maintaining systems that rely on accurate steering angle data.

2.2. Automotive Professionals

• Technicians: Crucial for diagnosing and repairing a wide range of vehicle issues.
• Independent Repair Shops: Allows for comprehensive servicing of vehicles, including SAS resets after alignments or repairs.
• Mobile Mechanics: Provides the ability to perform on-site diagnostics and resets.

2.3. Research Findings

A study by the American Automobile Association (AAA) found that vehicle owners who perform regular maintenance are less likely to experience major breakdowns. An OBD2 scanner with SAS reset is an essential tool for proactive car care.

3. What Are The Key Features To Look For In An OBD2 Scanner With SAS?

When selecting an OBD2 scanner with SAS reset, consider these key features to ensure it meets your needs.

3.1. Compatibility

• Vehicle Coverage: Ensure the scanner supports your vehicle’s make and model. Many scanners specialize in certain brands, like Mercedes-Benz.
• OBD2 Protocol Support: The scanner should support all OBD2 protocols, including CAN, ISO, and PWM.

3.2. Functionality

• SAS Reset Function: The primary feature, allowing you to recalibrate the steering angle sensor.
• DTC Reading and Clearing: Ability to read and clear diagnostic trouble codes from various systems.
• Live Data Streaming: Real-time data display from sensors and systems.
• Special Functions: Additional features like oil reset, EPB reset, and TPMS reset enhance the scanner’s utility.

3.3. User-Friendliness

• Display: A clear, easy-to-read display is essential for viewing data and navigating menus.
• Interface: Intuitive interface with easy navigation.
• Update Capability: Ability to update the scanner’s software to support new vehicles and features.

3.4. Durability and Support

• Build Quality: Sturdy construction to withstand frequent use in a garage or shop environment.
• Warranty: A reliable warranty ensures you are protected against defects.
• Customer Support: Responsive and helpful customer support in case you encounter issues.

3.5. Real-World Example

Consider the Autel MaxiSYS MS906BT, known for its extensive vehicle coverage, advanced functions, and user-friendly interface. This scanner is a favorite among professional technicians due to its reliability and comprehensive features.

4. How To Use An OBD2 Scanner With SAS Reset?

Using an OBD2 scanner with SAS reset involves a few key steps to ensure accurate and safe recalibration.

4.1. Step-by-Step Guide

1. Connect the Scanner: Plug the OBD2 scanner into the vehicle’s OBD2 port, usually located under the dashboard.
2. Turn On the Ignition: Turn the ignition key to the “ON” position without starting the engine.
3. Select Vehicle Information: Enter the vehicle’s make, model, and year into the scanner.
4. Read DTCs: Scan the vehicle for diagnostic trouble codes (DTCs) and address any issues before proceeding with the SAS reset.
5. Access SAS Reset Function: Navigate to the SAS reset function in the scanner’s menu.
6. Follow On-Screen Instructions: Follow the on-screen prompts to calibrate the steering angle sensor. This usually involves turning the steering wheel to specific positions.
7. Verify Calibration: After the reset, verify the calibration by driving the vehicle and monitoring the ESC system’s performance.

4.2. Common Mistakes To Avoid

• Ignoring DTCs: Always address any existing DTCs before performing an SAS reset.
• Incorrect Vehicle Information: Ensure you enter the correct vehicle information to avoid calibration errors.
• Skipping Verification: Always verify the calibration after the reset to ensure it was successful.

4.3. Case Study

A technician at a local repair shop used an Autel MaxiCOM MK808 to perform an SAS reset on a Mercedes-Benz C-Class after a wheel alignment. By following the scanner’s instructions and verifying the calibration, they ensured the ESC system functioned correctly, improving the vehicle’s safety and handling.

Mercedes-Benz C-Class Wheel Alignment

5. What Are The Benefits Of Using An OBD2 Scanner With SAS Reset?

Using an OBD2 scanner with SAS reset offers numerous benefits for both car owners and automotive professionals.

5.1. Improved Safety

• Accurate ESC System: Ensures the electronic stability control system functions correctly, reducing the risk of skidding and loss of control.
• Enhanced ADAS Performance: Maintains the accuracy of advanced driver-assistance systems, such as lane departure warning and adaptive cruise control.

5.2. Cost Savings

• DIY Maintenance: Allows car owners to perform SAS resets themselves, saving on expensive trips to the dealership or repair shop.
• Preventative Maintenance: Enables early detection of potential issues, preventing costly repairs down the road.

5.3. Time Efficiency

• Quick Diagnostics: Quickly identifies and clears diagnostic trouble codes, reducing diagnostic time.
• Streamlined Repairs: Simplifies the repair process by providing accurate information and reset capabilities.

5.4. Professional Advantages

• Increased Service Offerings: Allows repair shops to offer SAS resets and other advanced services.
• Enhanced Customer Satisfaction: Provides accurate and reliable repairs, improving customer satisfaction and loyalty.

5.5. Supporting Data

According to a study by the National Transportation Safety Board (NTSB), ESC systems can reduce single-vehicle crashes by as much as 35%. Proper maintenance and calibration of these systems are essential for maximizing their safety benefits.

6. What Are The Different Types Of OBD2 Scanners With SAS Reset?

There are several types of OBD2 scanners with SAS reset available on the market, each with its own features and capabilities.

6.1. Basic OBD2 Scanners

• Features: Read and clear DTCs, view live data, and perform basic diagnostics.
• SAS Reset: Some basic scanners may offer SAS reset as an add-on feature.
• Pros: Affordable and easy to use.
• Cons: Limited functionality and vehicle coverage.

6.2. Mid-Range Scanners

• Features: Read and clear DTCs, view live data, perform SAS reset, oil reset, EPB reset, and TPMS reset.
• SAS Reset: Includes a dedicated SAS reset function.
• Pros: More features and broader vehicle coverage than basic scanners.
• Cons: Higher price point.

6.3. Advanced Scanners

• Features: Read and clear DTCs, view live data, perform SAS reset, oil reset, EPB reset, TPMS reset, advanced diagnostics, bi-directional control, and programming capabilities.
• SAS Reset: Advanced SAS reset functions with detailed calibration procedures.
• Pros: Comprehensive functionality and extensive vehicle coverage.
• Cons: Highest price point and may require specialized training.

6.4. Comparison Table

Feature	Basic OBD2 Scanner	Mid-Range Scanner	Advanced Scanner
DTC Reading	Yes	Yes	Yes
Live Data	Yes	Yes	Yes
SAS Reset	Optional	Yes	Yes
Oil Reset	No	Yes	Yes
EPB Reset	No	Yes	Yes
TPMS Reset	No	Yes	Yes
Bi-Directional Control	No	No	Yes
Vehicle Coverage	Limited	Broad	Extensive
Price	Low	Medium	High

6.5. Recommendation

For Mercedes-Benz owners and independent repair shops, a mid-range or advanced scanner is recommended to ensure comprehensive functionality and vehicle coverage.

7. How To Choose The Right OBD2 Scanner With SAS Reset For Your Needs?

Choosing the right OBD2 scanner with SAS reset depends on your specific needs and budget.

7.1. Assess Your Needs

• Vehicle Type: Consider the make, model, and year of your vehicle. Some scanners are designed for specific brands, like Mercedes-Benz.
• Frequency of Use: If you plan to use the scanner frequently, invest in a durable and reliable model.
• Budget: Determine how much you are willing to spend on a scanner. Prices range from under $100 for basic models to over $1000 for advanced models.

7.2. Read Reviews and Compare Models

• Online Reviews: Read reviews from other users to get an idea of the scanner’s performance and reliability.
• Comparison Websites: Use comparison websites to compare different models side-by-side.

7.3. Consider Future Needs

• Software Updates: Choose a scanner that offers regular software updates to support new vehicles and features.
• Expandability: Some scanners allow you to add additional modules or functions as your needs evolve.

7.4. Expert Advice

Consult with automotive professionals or experts at MERCEDES-DIAGNOSTIC-TOOL.EDU.VN for personalized recommendations.

7.5. Supporting Quote

“Choosing the right OBD2 scanner with SAS reset can save you time and money while ensuring the safety and performance of your vehicle,” says John Doe, a master technician at a leading automotive repair shop.

8. What Are The Common Issues That Can Be Solved With An OBD2 Scanner With SAS Reset?

An OBD2 scanner with SAS reset can help resolve a variety of common vehicle issues.

8.1. Steering Angle Sensor Calibration

• Problem: Inaccurate steering angle readings can cause issues with ESC and ADAS systems.
• Solution: Perform an SAS reset to recalibrate the steering angle sensor and ensure accurate readings.

8.2. ESC System Malfunctions

• Problem: Malfunctions in the electronic stability control system can compromise vehicle safety.
• Solution: Diagnose and clear DTCs related to the ESC system, then perform an SAS reset to ensure proper functionality.

8.3. ADAS System Errors

• Problem: Errors in advanced driver-assistance systems can reduce their effectiveness.
• Solution: Use the scanner to diagnose and clear DTCs related to ADAS systems, then perform an SAS reset to ensure accurate steering angle data.

8.4. Warning Lights

• Problem: Illuminated warning lights on the dashboard can indicate a variety of issues.
• Solution: Use the scanner to read DTCs and identify the cause of the warning lights, then perform the necessary repairs and clear the codes.

8.5. Case Example

A Mercedes-Benz owner experienced issues with their lane departure warning system. Using an Autel MaxiCOM MK808, they diagnosed a faulty steering angle sensor. After replacing the sensor and performing an SAS reset, the lane departure warning system functioned correctly, improving the vehicle’s safety.

Autel MaxiCOM MK808 OBD2 Scanner

9. How To Maintain Your OBD2 Scanner With SAS Reset?

Proper maintenance of your OBD2 scanner with SAS reset ensures its longevity and reliable performance.

9.1. Keep the Scanner Clean

• Cleaning: Regularly clean the scanner with a soft, dry cloth to remove dirt and grime.
• Storage: Store the scanner in a clean, dry place when not in use.

9.2. Update the Software

• Updates: Regularly update the scanner’s software to support new vehicles and features.
• Instructions: Follow the manufacturer’s instructions for updating the software.

9.3. Protect the Cable and Connectors

• Cable: Avoid bending or twisting the cable excessively.
• Connectors: Keep the connectors clean and free of debris.

9.4. Battery Care

• Charging: If your scanner has a rechargeable battery, follow the manufacturer’s instructions for charging.
• Storage: Store the scanner with a fully charged battery to prevent damage.

9.5. Regular Inspections

• Checkups: Periodically inspect the scanner for any signs of damage or wear.
• Repairs: Address any issues promptly to prevent further damage.

9.6. Maintenance Tip

“Regularly updating your OBD2 scanner’s software ensures it remains compatible with the latest vehicles and diagnostic protocols,” advises a technical expert at MERCEDES-DIAGNOSTIC-TOOL.EDU.VN.

10. Frequently Asked Questions (FAQ) About OBD2 Scanners With SAS Reset

10.1. What Is The Best OBD2 Scanner For Mercedes-Benz?

The best OBD2 scanner for Mercedes-Benz depends on your needs and budget. Popular options include the Autel MaxiCOM MK808, Launch CRP129X, and iCarsoft MB II.

10.2. How Do I Perform An SAS Reset On My Car?

To perform an SAS reset, connect the OBD2 scanner to the vehicle’s OBD2 port, select the vehicle information, navigate to the SAS reset function in the scanner’s menu, and follow the on-screen instructions.

10.3. What Is The Steering Angle Sensor (SAS)?

The steering angle sensor (SAS) measures the position of the steering wheel and sends this data to the vehicle’s computer.

10.4. Why Is SAS Reset Important?

SAS reset is important for ensuring the accuracy of electronic stability control (ESC) and advanced driver-assistance systems (ADAS).

10.5. Can I Use An OBD2 Scanner With SAS Reset On Any Car?

Not all OBD2 scanners support SAS reset, and vehicle coverage varies. Ensure the scanner is compatible with your vehicle’s make and model.

10.6. How Often Should I Perform An SAS Reset?

Perform an SAS reset after wheel alignments, suspension repairs, or SAS replacements.

10.7. What Are The Symptoms Of A Faulty SAS?

Symptoms of a faulty SAS include ESC system malfunctions, ADAS errors, and illuminated warning lights.

10.8. Can I Perform An SAS Reset Myself?

Yes, if you have an OBD2 scanner with SAS reset functionality and the necessary knowledge and skills.

10.9. What Is The Difference Between A Basic And An Advanced OBD2 Scanner?

Basic OBD2 scanners read and clear DTCs, while advanced scanners offer additional features like SAS reset, bi-directional control, and programming capabilities.

10.10. Where Can I Buy An OBD2 Scanner With SAS Reset?

You can purchase OBD2 scanners with SAS reset from automotive parts stores, online retailers, and directly from manufacturers.

Choosing the right OBD2 scanner with SAS reset can significantly improve your vehicle maintenance capabilities, ensuring safety and performance. At MERCEDES-DIAGNOSTIC-TOOL.EDU.VN, we are dedicated to providing you with the information and support you need to make the best choice.

Ready to take control of your Mercedes-Benz diagnostics and maintenance? Contact us at MERCEDES-DIAGNOSTIC-TOOL.EDU.VN today! Our experts are here to help you select the perfect OBD2 scanner with SAS reset for your needs. Whether you’re a DIY enthusiast or a professional technician, we have the tools and knowledge to keep your vehicle running smoothly.

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Get in touch now for personalized advice on diagnostic tools, unlocking hidden features, and expert guidance on Mercedes-Benz repair and maintenance. Let us help you enhance your vehicle’s performance and longevity!