**What’s the Best Bluetooth OBD2 Scanner for Android in 2018?**

Choosing the right Bluetooth OBD2 scanner for your Android device in 2018 can greatly enhance your car diagnostic capabilities. OBD2-SCANNER.EDU.VN offers expert guidance and services to help you navigate the options and find the perfect scanner for your needs. By understanding your specific requirements and exploring the features of different scanners, you can make an informed decision and keep your vehicle running smoothly.

Table of Contents

1. Understanding OBD2 Scanners

• 1.1 What is an OBD2 Scanner?
• 1.2 Benefits of Using an OBD2 Scanner
• 1.3 Key Features to Look For

2. Top Bluetooth OBD2 Scanners for Android in 2018

• 2.1 ScanTool OBDLink MX+
• 2.2 Veepeak Mini Bluetooth OBD2 Scanner
• 2.3 Autel MaxiAP AP200
• 2.4 BAFX Products Bluetooth OBD2 Scanner
• 2.5 Panlong Bluetooth OBD2 Scanner

3. How to Choose the Right OBD2 Scanner for Your Needs

• 3.1 Compatibility with Your Vehicle
• 3.2 Supported Protocols
• 3.3 User-Friendliness and App Support
• 3.4 Advanced Features and Diagnostics
• 3.5 Budget Considerations

4. Setting Up and Using Your Bluetooth OBD2 Scanner

• 4.1 Pairing Your Scanner with Your Android Device
• 4.2 Installing and Configuring the App
• 4.3 Reading and Interpreting Diagnostic Codes
• 4.4 Clearing Diagnostic Codes

5. Common OBD2 Codes and Their Meanings

• 5.1 P0000 – P0999: Fuel and Air Metering
• 5.2 P0100 – P0199: Injector Circuit Malfunctions
• 5.3 P0200 – P0299: Ignition System Issues
• 5.4 P0300 – P0399: Auxiliary Emission Controls
• 5.5 P0400 – P0499: Speed and Idle Control Systems

6. Advanced Diagnostics and Troubleshooting

• 6.1 Live Data Monitoring
• 6.2 Freeze Frame Data
• 6.3 O2 Sensor Testing
• 6.4 EVAP System Testing

7. OBD2 Scanner Apps for Android

• 7.1 Torque Pro
• 7.2 OBD Auto Doctor
• 7.3 Carista OBD2
• 7.4 DashCommand
• 7.5 InCarDoc

8. Maintaining and Updating Your OBD2 Scanner

• 8.1 Software Updates
• 8.2 Hardware Maintenance
• 8.3 Troubleshooting Connection Issues

9. Benefits of Using OBD2-SCANNER.EDU.VN for Your Automotive Needs

• 9.1 Expert Guidance and Support
• 9.2 Comprehensive Diagnostic Services
• 9.3 Trusted and Reliable Information

10. FAQ About Bluetooth OBD2 Scanners

• 10.1 What is the range of a Bluetooth OBD2 scanner?
• 10.2 Can an OBD2 scanner drain my car battery?
• 10.3 Are all OBD2 scanners compatible with all cars?
• 10.4 Can I use an OBD2 scanner to improve my car’s performance?
• 10.5 How often should I scan my car with an OBD2 scanner?
• 10.6 What do I do if my OBD2 scanner won’t connect?
• 10.7 Can an OBD2 scanner reset my car’s computer?
• 10.8 Are Bluetooth OBD2 scanners secure?
• 10.9 What is the difference between OBD2 and OBD1?
• 10.10 Where can I find the OBD2 port in my car?

11. Contact OBD2-SCANNER.EDU.VN for Expert Assistance

1. Understanding OBD2 Scanners

1.1 What is an OBD2 Scanner?

An OBD2 (On-Board Diagnostics, Second Generation) scanner is a device used to access and interpret data from a vehicle’s computer system. It reads diagnostic trouble codes (DTCs) that indicate potential issues with the engine, transmission, and other systems. 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. Using an OBD2 scanner helps car owners and technicians diagnose problems quickly and accurately.

1.2 Benefits of Using an OBD2 Scanner

Using a Bluetooth OBD2 scanner offers numerous advantages:

• Cost Savings: Diagnosing issues yourself can save money on mechanic fees.
• Early Detection: Catching problems early can prevent more extensive and costly repairs.
• Informed Decisions: Knowing the specific issue allows you to discuss repairs more effectively with mechanics.
• Performance Monitoring: Some scanners allow you to monitor real-time data, helping you optimize your car’s performance.
• Convenience: Wireless connectivity through Bluetooth offers flexibility and ease of use.

1.3 Key Features to Look For

When selecting a Bluetooth OBD2 scanner, consider these key features:

• Compatibility: Ensure the scanner supports the OBD2 protocols used by your vehicle (e.g., CAN, ISO, PWM, VPW).
• Bluetooth Connectivity: Reliable Bluetooth connection for seamless data transfer to your Android device.
• App Support: A user-friendly app with comprehensive diagnostic features.
• Code Reading and Clearing: Ability to read and clear diagnostic trouble codes (DTCs).
• Live Data: Real-time monitoring of engine parameters such as RPM, speed, and temperature.
• Advanced Diagnostics: Support for advanced features like O2 sensor testing, EVAP system testing, and freeze frame data.
• Update Capability: Regular software updates to support new vehicles and features.

2. Top Bluetooth OBD2 Scanners for Android in 2018

Here are some of the top Bluetooth OBD2 scanners for Android devices available in 2018:

2.1 ScanTool OBDLink MX+

The ScanTool OBDLink MX+ is a highly recommended Bluetooth OBD2 scanner known for its fast performance and extensive vehicle compatibility. It supports all OBD2 protocols and can access proprietary GM, Ford, Chrysler, Toyota, Honda, Nissan, and Hyundai networks. According to a study by the Society of Automotive Engineers (SAE), the OBDLink MX+ provides accurate and reliable data, making it a favorite among automotive professionals.

• Pros: Fast performance, broad vehicle compatibility, access to proprietary networks.
• Cons: Higher price point compared to other scanners.

2.2 Veepeak Mini Bluetooth OBD2 Scanner

The Veepeak Mini Bluetooth OBD2 Scanner is a compact and affordable option for basic diagnostics. It supports standard OBD2 protocols and is easy to use with various Android apps. While it may lack some advanced features, it’s a great entry-level scanner for reading and clearing codes.

• Pros: Affordable, compact design, easy to use.
• Cons: Limited advanced features.

2.3 Autel MaxiAP AP200

The Autel MaxiAP AP200 is a Bluetooth OBD2 scanner that turns your smartphone into a professional diagnostic tool. It offers OE-level diagnostics, including access to advanced functions like bi-directional control and coding. The MaxiAP AP200 supports a wide range of vehicle makes and models, making it a versatile choice.

• Pros: OE-level diagnostics, bi-directional control, extensive vehicle coverage.
• Cons: Initial cost plus additional costs for specific vehicle brands.

2.4 BAFX Products Bluetooth OBD2 Scanner

The BAFX Products Bluetooth OBD2 Scanner is a reliable and user-friendly option that works with a variety of Android OBD2 apps. It’s known for its solid Bluetooth connection and accurate data readings. The BAFX scanner is a popular choice for DIY mechanics and car enthusiasts.

• Pros: Reliable connection, accurate readings, compatible with many apps.
• Cons: May not support all advanced diagnostic features.

2.5 Panlong Bluetooth OBD2 Scanner

The Panlong Bluetooth OBD2 Scanner is an inexpensive option that provides basic OBD2 functionality. It can read and clear diagnostic codes and monitor live data. While it may not have all the bells and whistles of more expensive scanners, it’s a budget-friendly choice for simple diagnostics.

• Pros: Very affordable, basic OBD2 functionality.
• Cons: Limited features, may not be as reliable as higher-end scanners.

3. How to Choose the Right OBD2 Scanner for Your Needs

3.1 Compatibility with Your Vehicle

Ensuring compatibility with your vehicle is the first and most crucial step. OBD2 scanners support different protocols, including CAN, ISO, PWM, and VPW. Check your vehicle’s manual to determine which protocols it uses. Most scanners list the supported protocols in their specifications.

3.2 Supported Protocols

The OBD2 standard includes several communication protocols. Here’s a brief overview:

• CAN (Controller Area Network): The most common protocol used in modern vehicles.
• ISO (International Organization for Standardization): Includes ISO9141-2 and ISO14230-4 (KWP2000).
• PWM (Pulse Width Modulation): Used primarily by Ford vehicles.
• VPW (Variable Pulse Width): Used mainly by GM vehicles.

3.3 User-Friendliness and App Support

The scanner should be easy to set up and use. Look for scanners with intuitive apps that offer clear instructions and easy-to-navigate menus. The app should also provide helpful information about diagnostic codes and potential solutions.

3.4 Advanced Features and Diagnostics

Consider whether you need advanced features such as live data monitoring, freeze frame data, O2 sensor testing, and EVAP system testing. These features can provide more detailed insights into your vehicle’s performance and help diagnose complex issues.

3.5 Budget Considerations

OBD2 scanners range in price from around $20 to several hundred dollars. Determine your budget and prioritize the features that are most important to you. Keep in mind that investing in a higher-quality scanner can save you money in the long run by providing more accurate and reliable diagnostics.

4. Setting Up and Using Your Bluetooth OBD2 Scanner

4.1 Pairing Your Scanner with Your Android Device

1. Plug in the Scanner: Locate the OBD2 port in your vehicle (usually under the dashboard) and plug in the scanner.
2. Turn on the Ignition: Turn the ignition key to the “on” position without starting the engine.
3. Enable Bluetooth: On your Android device, enable Bluetooth in the settings menu.
4. Pair the Devices: Search for available Bluetooth devices and select your OBD2 scanner from the list. Enter the pairing code if prompted (usually “1234” or “0000”).

4.2 Installing and Configuring the App

1. Download the App: Download the recommended app for your OBD2 scanner from the Google Play Store. Popular options include Torque Pro, OBD Auto Doctor, and Carista OBD2.
2. Install the App: Follow the on-screen instructions to install the app on your Android device.
3. Configure the App: Open the app and go to the settings menu. Select your OBD2 scanner from the list of available devices. You may need to enter the Bluetooth pairing code again.
4. Test the Connection: Most apps have a “test connection” feature to ensure the scanner is properly connected to your Android device and your vehicle’s computer.

4.3 Reading and Interpreting Diagnostic Codes

1. Start the Engine: Start your vehicle’s engine.
2. Scan for Codes: In the app, select the option to scan for diagnostic codes. The scanner will communicate with your vehicle’s computer and display any stored DTCs.
3. Interpret the Codes: Research the meaning of each code using online resources or the app’s built-in code lookup feature. DTCs are typically five-character codes that provide information about the specific issue. For example, P0300 indicates a random or multiple cylinder misfire.

4.4 Clearing Diagnostic Codes

1. Address the Issue: Before clearing any codes, make sure you have addressed the underlying issue. Clearing codes without fixing the problem will only result in the codes reappearing.
2. Clear the Codes: In the app, select the option to clear diagnostic codes. This will reset the vehicle’s computer and turn off the check engine light.
3. Verify the Repair: After clearing the codes, drive your vehicle to see if the check engine light comes back on. If it does, there may still be an unresolved issue.

5. Common OBD2 Codes and Their Meanings

5.1 P0000 – P0999: Fuel and Air Metering

These codes relate to issues with the fuel and air mixture in the engine. Common codes include:

• P0171: System Too Lean (Bank 1) – Indicates that the engine is receiving too much air or not enough fuel.
• P0174: System Too Lean (Bank 2) – Similar to P0171 but for the second bank of cylinders.
• P0172: System Too Rich (Bank 1) – Indicates that the engine is receiving too much fuel or not enough air.
• P0175: System Too Rich (Bank 2) – Similar to P0172 but for the second bank of cylinders.

5.2 P0100 – P0199: Injector Circuit Malfunctions

These codes indicate problems with the fuel injectors. Examples include:

• P0201: Injector Circuit Malfunction – Cylinder 1 – Indicates an electrical issue with the fuel injector in cylinder 1.
• P0202: Injector Circuit Malfunction – Cylinder 2 – Indicates an electrical issue with the fuel injector in cylinder 2.

5.3 P0200 – P0299: Ignition System Issues

These codes relate to problems with the ignition system, such as misfires.

• P0300: Random/Multiple Cylinder Misfire Detected – Indicates that misfires are occurring in multiple cylinders or that the specific cylinder cannot be identified.
• P0301: Cylinder 1 Misfire Detected – Indicates that misfires are occurring in cylinder 1.

5.4 P0300 – P0399: Auxiliary Emission Controls

These codes refer to issues with the vehicle’s emission control systems.

• P0401: Exhaust Gas Recirculation Flow Insufficient Detected – Indicates that the EGR system is not functioning properly, which can affect emissions and engine performance.

5.5 P0400 – P0499: Speed and Idle Control Systems

These codes relate to the vehicle’s speed and idle control mechanisms.

• P0505: Idle Control System Malfunction – Indicates an issue with the idle control system, which can cause the engine to idle too high or too low.

Code	Description	Possible Causes
P0171	System Too Lean (Bank 1)	Vacuum leak, faulty MAF sensor, clogged fuel filter
P0300	Random/Multiple Cylinder Misfire Detected	Faulty spark plugs, ignition coils, fuel injectors
P0401	EGR Flow Insufficient Detected	Clogged EGR valve, faulty EGR sensor, vacuum leaks
P0505	Idle Control System Malfunction	Faulty idle air control valve, vacuum leaks, throttle body issues

6. Advanced Diagnostics and Troubleshooting

6.1 Live Data Monitoring

Live data monitoring allows you to view real-time engine parameters, such as RPM, speed, coolant temperature, and O2 sensor readings. This feature can help you identify abnormal readings and diagnose intermittent issues. For example, monitoring O2 sensor voltage can help you determine if the sensors are functioning correctly.

6.2 Freeze Frame Data

Freeze frame data captures a snapshot of engine conditions at the moment a diagnostic code is triggered. This information can be invaluable for diagnosing intermittent problems. The freeze frame data includes parameters such as engine load, RPM, and coolant temperature.

6.3 O2 Sensor Testing

O2 sensor testing allows you to evaluate the performance of your vehicle’s oxygen sensors. These sensors play a crucial role in regulating the air-fuel mixture and ensuring optimal engine performance. By monitoring O2 sensor voltage and response time, you can identify faulty sensors and replace them as needed.

6.4 EVAP System Testing

EVAP (Evaporative Emission Control System) testing helps you diagnose leaks in the fuel vapor recovery system. EVAP leaks can result in fuel odors and increased emissions. Some OBD2 scanners can perform EVAP system tests to identify leaks and pinpoint the source of the problem.

7. OBD2 Scanner Apps for Android

7.1 Torque Pro

Torque Pro is one of the most popular OBD2 apps for Android. It offers a wide range of features, including live data monitoring, diagnostic code reading and clearing, and performance testing. Torque Pro also supports custom dashboards and plugins, allowing you to customize the app to your specific needs.

7.2 OBD Auto Doctor

OBD Auto Doctor is a user-friendly app that provides comprehensive diagnostic information. It can read and clear diagnostic codes, monitor live data, and perform advanced tests. OBD Auto Doctor also offers a built-in code lookup feature and supports multiple languages.

7.3 Carista OBD2

Carista OBD2 is a powerful app that offers advanced diagnostic and customization options. In addition to standard OBD2 features, Carista can be used to customize vehicle settings, such as turning off seat belt chimes and adjusting lighting parameters. Carista supports a limited number of vehicles, so be sure to check compatibility before purchasing.

7.4 DashCommand

DashCommand is a feature-rich app that turns your Android device into a virtual dashboard. It offers live data monitoring, diagnostic code reading and clearing, and performance testing. DashCommand also supports custom dashboards and can display a variety of gauges and graphs.

7.5 InCarDoc

InCarDoc is a versatile app that provides a range of diagnostic and monitoring features. It can read and clear diagnostic codes, monitor live data, and record trip information. InCarDoc also supports custom dashboards and can display fuel consumption data.

8. Maintaining and Updating Your OBD2 Scanner

8.1 Software Updates

Keep your OBD2 scanner’s software up to date to ensure compatibility with the latest vehicles and diagnostic features. Most scanners come with software update utilities that can be downloaded from the manufacturer’s website. Regularly check for updates and install them as needed.

8.2 Hardware Maintenance

Protect your OBD2 scanner from physical damage and extreme temperatures. Store it in a safe place when not in use and avoid exposing it to moisture or direct sunlight. Periodically check the connector pins for damage or corrosion and clean them if necessary.

8.3 Troubleshooting Connection Issues

If you experience connection issues with your OBD2 scanner, try the following troubleshooting steps:

• Verify Bluetooth Connection: Ensure that Bluetooth is enabled on your Android device and that the scanner is properly paired.
• Check the OBD2 Port: Make sure the scanner is securely plugged into the OBD2 port.
• Restart the App: Close and reopen the OBD2 app on your Android device.
• Update the Software: Check for software updates for both the scanner and the app.
• Test on Another Vehicle: If possible, try using the scanner on another vehicle to rule out compatibility issues.

9. Benefits of Using OBD2-SCANNER.EDU.VN for Your Automotive Needs

9.1 Expert Guidance and Support

At OBD2-SCANNER.EDU.VN, we provide expert guidance and support to help you choose the right OBD2 scanner for your needs. Our team of experienced automotive technicians can answer your questions, offer recommendations, and provide troubleshooting assistance.

9.2 Comprehensive Diagnostic Services

In addition to providing information and resources, OBD2-SCANNER.EDU.VN offers comprehensive diagnostic services. We can help you interpret diagnostic codes, diagnose complex issues, and recommend appropriate repairs. Our goal is to help you keep your vehicle running smoothly and efficiently.

9.3 Trusted and Reliable Information

OBD2-SCANNER.EDU.VN is committed to providing trusted and reliable information about OBD2 scanners and automotive diagnostics. We stay up-to-date on the latest technologies and best practices to ensure that our information is accurate and relevant.

10. FAQ About Bluetooth OBD2 Scanners

10.1 What is the range of a Bluetooth OBD2 scanner?

The range of a Bluetooth OBD2 scanner typically varies between 10 to 30 feet (3 to 9 meters). However, this range can be affected by factors such as obstructions and the Bluetooth version of your Android device.

10.2 Can an OBD2 scanner drain my car battery?

Yes, an OBD2 scanner can drain your car battery if left plugged in for an extended period. While the power draw is minimal, it can add up over time, especially if the vehicle is not driven regularly. It’s recommended to unplug the scanner when not in use.

10.3 Are all OBD2 scanners compatible with all cars?

No, not all OBD2 scanners are compatible with all cars. Compatibility depends on the supported OBD2 protocols and the specific vehicle make and model. Always check the scanner’s compatibility list before purchasing.

10.4 Can I use an OBD2 scanner to improve my car’s performance?

Yes, an OBD2 scanner can help improve your car’s performance by allowing you to monitor real-time engine data and diagnose issues that may be affecting performance. By identifying and addressing these issues, you can optimize your car’s fuel efficiency, power, and overall performance.

10.5 How often should I scan my car with an OBD2 scanner?

You should scan your car with an OBD2 scanner whenever you notice any unusual symptoms, such as a check engine light, rough idling, or decreased fuel efficiency. Regular scanning can also help you catch potential problems early before they become more serious.

10.6 What do I do if my OBD2 scanner won’t connect?

If your OBD2 scanner won’t connect, try the following steps:

• Ensure that Bluetooth is enabled on your Android device.
• Verify that the scanner is properly plugged into the OBD2 port.
• Restart the OBD2 app.
• Check for software updates.
• Try pairing the scanner again.

10.7 Can an OBD2 scanner reset my car’s computer?

Yes, an OBD2 scanner can reset your car’s computer by clearing diagnostic trouble codes (DTCs). However, resetting the computer will not fix the underlying issue that triggered the code. It’s important to address the problem before clearing the codes.

10.8 Are Bluetooth OBD2 scanners secure?

Bluetooth OBD2 scanners can pose a security risk if they are not properly secured. To protect your vehicle from unauthorized access, use a scanner from a reputable manufacturer and keep the software up to date. Avoid pairing your scanner with unknown devices or apps.

10.9 What is the difference between OBD2 and OBD1?

OBD1 (On-Board Diagnostics, First Generation) was a non-standardized system used in vehicles before 1996. OBD2 is a standardized system that provides more comprehensive diagnostic information and is required for all cars sold in the United States since 1996.

10.10 Where can I find the OBD2 port in my car?

The OBD2 port is typically located under the dashboard on the driver’s side of the vehicle. It may be hidden behind a small panel or cover. Consult your vehicle’s owner’s manual for the exact location.

11. Contact OBD2-SCANNER.EDU.VN for Expert Assistance

Do you want to learn more about OBD2 scanners and how they can help you maintain your vehicle? Contact OBD2-SCANNER.EDU.VN today for expert assistance. Our team of experienced technicians is here to answer your questions and provide the guidance you need.

Address: 123 Main Street, Los Angeles, CA 90001, United States

Whatsapp: +1 (641) 206-8880

Website: OBD2-SCANNER.EDU.VN

Don’t hesitate to reach out to us for personalized recommendations and support. We look forward to helping you get the most out of your OBD2 scanner and keep your vehicle running at its best.