Best Car Diagnostic App 2017: Reviews, Features & Benefits

Here’s your complete guide to choosing the Best Car Diagnostic App 2017, ensuring you get the most from vehicle performance analysis and OBD fault code reading. At CAR-TOOL.EDU.VN, we provide information to empower you with knowledge for accurate vehicle maintenance and data analysis. We can help you navigate car diagnostic apps, vehicle performance tools and automotive diagnostic solutions.

1. What Was The Best Car Diagnostic App In 2017?

The best car diagnostic app in 2017 was one that offered real-time vehicle data, OBD fault code reading, and comprehensive vehicle performance analysis. These apps used OBD II Wi-Fi or Bluetooth adapters to connect to your car’s ECU.

Several car diagnostic apps in 2017 stood out for their features and reliability. Apps like “Car Scanner ELM OBD2,” “Torque Pro,” and “OBD Auto Doctor” were popular among automotive enthusiasts and professionals. According to a study by the University of California, Berkeley, these apps provided valuable insights into vehicle health, helping users diagnose and address issues promptly, reducing repair costs.

1.1. What Were the Key Features to Look for in 2017 Car Diagnostic Apps?

The key features to look for included:

• Real-time data: Access to live sensor data.
• OBD fault code reading: Ability to read and reset diagnostic trouble codes (DTCs).
• Customizable dashboards: Creating personalized displays with desired gauges and charts.
• Extended PID support: Accessing manufacturer-specific parameters for detailed information.
• Data logging: Recording sensor data for later analysis.
• Emission test readiness: Checking if the vehicle was ready for emission testing.
• Compatibility: Working with a wide range of vehicles and OBD2 adapters.

1.2. How Did These Apps Connect to a Vehicle’s ECU in 2017?

These apps connected to a vehicle’s ECU using OBD II Wi-Fi or Bluetooth adapters. The adapter plugged into the OBD2 port, typically located under the dashboard, and transmitted data to the smartphone or tablet running the diagnostic app. According to research from Carnegie Mellon University’s Robotics Institute, the reliability of the connection depended on the quality of the adapter and the app’s compatibility with different adapter types.

1.3. What Kind of Vehicle Data Could You Access with These Apps in 2017?

With these apps, users could access a wide range of vehicle data, including:

• Engine RPM
• Vehicle speed
• Coolant temperature
• Intake manifold pressure
• Mass airflow
• Oxygen sensor readings
• Fuel trim
• Battery voltage
• Throttle position
• Ignition timing

According to data from the National Institute for Automotive Service Excellence (ASE), accessing and interpreting this data correctly was crucial for accurate diagnostics and vehicle maintenance.

2. Top Car Diagnostic Apps of 2017: A Detailed Comparison

In 2017, several car diagnostic apps stood out for their features, user interface, and reliability. Here’s a detailed comparison of some of the top apps.

Some of the top car diagnostic apps of 2017 included:

• Car Scanner ELM OBD2: Known for its extensive features and compatibility.
• Torque Pro: Popular among enthusiasts for its customization options and real-time data displays.
• OBD Auto Doctor: Appreciated for its user-friendly interface and comprehensive diagnostic capabilities.
• DashCommand: Valued for its advanced data logging and performance analysis features.
• OBD Fusion: Recognized for its support for a wide range of vehicles and diagnostic parameters.

2.1. Car Scanner ELM OBD2: Features and Benefits

Car Scanner ELM OBD2 offered a wide range of features, including:

• Customizable dashboards
• Extended PID support
• DTC fault code reading and resetting
• Free-frame data display
• ECU self-monitoring test results (Mode 06)
• Emission test readiness check
• Sensor data monitoring
• HUD mode for data projection on the windshield
• Acceleration measurements
• Trip computer functionality
• Encoding functions for VAG group cars

According to user reviews on the Apple App Store and Google Play Store, Car Scanner ELM OBD2 was praised for its extensive functionality and compatibility with various vehicles.

2.2. Torque Pro: Features and Benefits

Torque Pro was known for its customization options and real-time data displays. Key features included:

• Customizable dashboards with gauges and charts
• Real-time data monitoring
• OBD fault code reading and resetting
• GPS tracking
• Data logging
• Head-up display (HUD) mode
• Dyno / Dynamometer and Horsepower / HP
• Boost feature

According to a survey conducted by the Society of Automotive Engineers (SAE), Torque Pro was popular among automotive enthusiasts for its ability to display and log a wide range of vehicle parameters.

2.3. OBD Auto Doctor: Features and Benefits

OBD Auto Doctor was appreciated for its user-friendly interface and comprehensive diagnostic capabilities. Notable features included:

• OBD fault code reading and resetting
• Real-time sensor data monitoring
• Emission test readiness check
• Data logging
• Multi-language support
• Vehicle information display

According to user feedback on various automotive forums, OBD Auto Doctor was favored by both novice and experienced users for its ease of use and reliable performance.

2.4. DashCommand: Features and Benefits

DashCommand was valued for its advanced data logging and performance analysis features. Key features included:

• Customizable dashboards
• Real-time data monitoring
• OBD fault code reading and resetting
• Data logging with advanced graphing
• Performance calculations (acceleration, braking, etc.)
• Fuel economy analysis
• Vehicle health monitoring

According to a study by the Massachusetts Institute of Technology (MIT), DashCommand’s advanced data logging and analysis capabilities made it a valuable tool for vehicle performance optimization and diagnostics.

2.5. OBD Fusion: Features and Benefits

OBD Fusion was recognized for its support for a wide range of vehicles and diagnostic parameters. Notable features included:

• OBD fault code reading and resetting
• Real-time sensor data monitoring
• Customizable dashboards
• Data logging
• Emission test readiness check
• Support for extended PIDs
• Multi-language support

According to reviews on automotive websites, OBD Fusion was praised for its comprehensive vehicle coverage and ability to access manufacturer-specific diagnostic information.

3. How to Choose the Right Car Diagnostic App in 2017

Choosing the right car diagnostic app depended on individual needs and preferences. Consider factors like vehicle compatibility, features, ease of use, and cost.

Selecting the right car diagnostic app in 2017 involved considering several factors:

• Vehicle Compatibility: Ensure the app supported your vehicle’s make and model.
• Features: Identify the features you need, such as real-time data, fault code reading, or advanced data logging.
• Ease of Use: Look for an app with a user-friendly interface.
• Adapter Compatibility: Verify that the app worked with your OBD2 adapter.
• Cost: Consider the app’s price and any subscription fees.

3.1. Assessing Your Vehicle’s Compatibility with Diagnostic Apps

Vehicle compatibility was a critical factor when choosing a diagnostic app. Check the app’s documentation or website to ensure it supported your vehicle’s make, model, and year. According to information from the Environmental Protection Agency (EPA), all vehicles sold in the US after 1996 were required to be OBD2 compliant, but some apps might not support all vehicles equally.

3.2. Identifying the Features You Need in a Diagnostic App

Identify the features you need based on your diagnostic and maintenance requirements. If you were a professional technician, you might need advanced features like extended PID support and data logging. If you were a casual user, you might only need basic features like fault code reading and real-time data monitoring. A study by the American Automobile Association (AAA) found that having the right features could significantly improve diagnostic accuracy and efficiency.

3.3. Evaluating the User Interface and Ease of Use

The user interface should be intuitive and easy to navigate. A well-designed interface can save time and reduce frustration, especially for novice users. Look for apps with clear displays, customizable dashboards, and easy-to-understand diagnostic information. According to research from the Human Factors and Ergonomics Society (HFES), a well-designed user interface can improve user satisfaction and reduce errors.

3.4. Understanding OBD2 Adapter Compatibility

Most diagnostic apps required an OBD2 adapter to connect to the vehicle’s ECU. Ensure that the app you choose was compatible with your adapter. Some apps might recommend specific adapters for optimal performance. According to data from various automotive forums, using a recommended adapter could improve connection reliability and data accuracy.

3.5. Considering the Cost of the App and Potential Subscription Fees

Diagnostic apps were available in both free and paid versions. Free apps typically offer basic features, while paid apps provide more advanced functionality. Some apps might also require subscription fees for access to certain features or data. Consider your budget and the features you need when choosing an app. A report by Consumer Reports found that while free apps could be useful for basic diagnostics, paid apps often provided more comprehensive and reliable information.

4. OBD2 Adapters: What to Look for in 2017

OBD2 adapters were essential for connecting diagnostic apps to a vehicle’s ECU. Choosing the right adapter could significantly impact the app’s performance and reliability.

When selecting an OBD2 adapter in 2017, consider the following:

• Connectivity: Choose between Wi-Fi or Bluetooth based on your device’s compatibility.
• Compatibility: Ensure the adapter supported your vehicle’s OBD2 protocol.
• Features: Look for adapters with features like fast data transfer and low power consumption.
• Brand Reputation: Opt for reputable brands known for quality and reliability.
• User Reviews: Check user reviews to get insights into the adapter’s performance.

4.1. Wi-Fi vs. Bluetooth OBD2 Adapters: Which Was Better?

Wi-Fi and Bluetooth OBD2 adapters each had their advantages and disadvantages. Wi-Fi adapters typically offered faster data transfer speeds, while Bluetooth adapters were more convenient and easier to pair with mobile devices. According to tests conducted by various tech websites, the choice between Wi-Fi and Bluetooth depended on your specific needs and device compatibility.

4.2. Ensuring Compatibility with Your Vehicle’s OBD2 Protocol

Ensure that the adapter supported your vehicle’s OBD2 protocol. Common protocols included CAN, ISO, and PWM. Check your vehicle’s owner’s manual or consult a professional technician to determine the correct protocol. According to information from the National Highway Traffic Safety Administration (NHTSA), using an incompatible adapter could result in inaccurate data or damage to the vehicle’s ECU.

4.3. Features to Look for in a Reliable OBD2 Adapter

Look for adapters with features like fast data transfer, low power consumption, and support for multiple OBD2 protocols. Some adapters might also offer advanced features like built-in diagnostic tools or data logging capabilities. A study by the IEEE found that adapters with advanced features could significantly improve diagnostic accuracy and efficiency.

4.4. Top OBD2 Adapter Brands in 2017

In 2017, several brands were known for producing high-quality OBD2 adapters. Some of the top brands included:

• Kiwi: Known for its reliable performance and compatibility.
• Viecar: Popular for its affordability and ease of use.
• V-Gate: Appreciated for its advanced features and data logging capabilities.
• Carista: Recognized for its vehicle-specific diagnostic tools.
• LELink: Valued for its Bluetooth connectivity and compact design.

4.5. Reading User Reviews and Ratings for OBD2 Adapters

Reading user reviews and ratings could provide valuable insights into an adapter’s performance and reliability. Check reviews on websites like Amazon, eBay, and automotive forums to get feedback from other users. Pay attention to comments about connectivity, data accuracy, and durability. A report by the Better Business Bureau (BBB) found that user reviews were a reliable indicator of product quality and customer satisfaction.

5. Advanced Features in 2017 Car Diagnostic Apps

Advanced features in car diagnostic apps enhanced their functionality and provided more detailed insights into vehicle health.

Some advanced features available in 2017 car diagnostic apps included:

• Extended PID Support: Access to manufacturer-specific parameters.
• Data Logging and Analysis: Recording and analyzing sensor data over time.
• ECU Programming: Reprogramming certain ECU parameters (available in some apps).
• Component Testing: Testing individual vehicle components.
• Advanced Diagnostics: Performing in-depth diagnostic tests.

5.1. Understanding Extended PID Support and Its Benefits

Extended PID (Parameter Identification) support allowed users to access manufacturer-specific parameters beyond the standard OBD2 data. This feature could provide more detailed information about vehicle performance and help diagnose issues that were not detectable with standard OBD2 data. According to information from the Society of Automotive Engineers (SAE), extended PIDs could vary significantly between vehicle makes and models.

5.2. Utilizing Data Logging and Analysis for Vehicle Performance Tracking

Data logging allowed users to record sensor data over time. This data could be analyzed to track vehicle performance, identify trends, and diagnose intermittent issues. Advanced diagnostic apps provided tools for visualizing and analyzing logged data, such as graphs and charts. A study by the University of Michigan Transportation Research Institute (UMTRI) found that data logging was a valuable tool for vehicle performance optimization and predictive maintenance.

5.3. Exploring ECU Programming Capabilities (Where Available)

Some advanced diagnostic apps offered ECU programming capabilities, allowing users to reprogram certain ECU parameters. This feature could be used to improve vehicle performance, customize settings, or install software updates. However, ECU programming required specialized knowledge and should be performed with caution, as incorrect programming could damage the vehicle’s ECU. According to warnings from various automotive manufacturers, ECU programming should only be performed by qualified technicians.

5.4. Component Testing: Verifying the Functionality of Individual Parts

Component testing allowed users to test the functionality of individual vehicle components, such as sensors, actuators, and solenoids. This feature could help diagnose issues by isolating faulty components. Advanced diagnostic apps provided specific tests and procedures for different components. A report by the National Institute for Automotive Service Excellence (ASE) found that component testing was an essential skill for automotive technicians.

5.5. Advanced Diagnostic Tests for In-Depth Vehicle Analysis

Advanced diagnostic tests provided in-depth analysis of vehicle systems. These tests could include fuel system diagnostics, ignition system diagnostics, and emission system diagnostics. Advanced diagnostic apps used sophisticated algorithms and data analysis techniques to identify potential issues and provide recommendations for repair. According to information from various automotive diagnostic equipment manufacturers, advanced diagnostic tests could significantly improve diagnostic accuracy and efficiency.

6. Using Car Diagnostic Apps for Vehicle Maintenance

Car diagnostic apps could be used for various vehicle maintenance tasks, helping users keep their vehicles in good condition and prevent costly repairs.

Car diagnostic apps could assist in:

• Regular Check-ups: Monitoring vehicle health.
• Identifying Potential Issues: Spotting problems early.
• Performing Routine Maintenance: Resetting maintenance reminders.
• Troubleshooting Problems: Diagnosing and addressing issues.
• Monitoring Fuel Efficiency: Tracking fuel consumption.

6.1. Performing Regular Check-ups to Monitor Vehicle Health

Regular check-ups using car diagnostic apps could help monitor vehicle health and identify potential issues before they become serious. Check engine light warnings, sensor data anomalies, and other indicators could provide clues about the vehicle’s condition. According to the Car Care Council, regular vehicle maintenance could extend the life of a vehicle and improve its safety and reliability.

6.2. Identifying Potential Issues Before They Escalate

Car diagnostic apps could help identify potential issues before they escalate into major problems. By monitoring sensor data and fault codes, users could detect early signs of wear, leaks, or malfunctions. Addressing these issues promptly could prevent costly repairs and extend the life of the vehicle. A study by the University of Iowa found that preventative maintenance could significantly reduce vehicle downtime and repair costs.

6.3. Using Apps to Perform Routine Maintenance Tasks

Some car diagnostic apps could be used to perform routine maintenance tasks, such as resetting oil change reminders, clearing service lights, and calibrating sensors. These features could simplify maintenance and save time and money. According to information from various automotive service providers, performing routine maintenance tasks regularly could improve vehicle performance and fuel efficiency.

6.4. Troubleshooting Problems and Diagnosing Issues Effectively

Car diagnostic apps could assist in troubleshooting problems and diagnosing issues effectively. By reading fault codes, monitoring sensor data, and performing component tests, users could pinpoint the source of a problem and determine the appropriate course of action. This could save time and money by avoiding unnecessary repairs. A report by Consumer Reports found that using diagnostic tools could significantly improve the accuracy and efficiency of automotive repairs.

6.5. Monitoring Fuel Efficiency and Optimizing Driving Habits

Car diagnostic apps could be used to monitor fuel efficiency and optimize driving habits. By tracking fuel consumption, speed, and other parameters, users could identify areas where they could improve their driving habits to save fuel. Some apps also provided tips and recommendations for improving fuel efficiency. According to data from the Environmental Protection Agency (EPA), optimizing driving habits could significantly improve fuel economy and reduce emissions.

7. Safety Considerations When Using Car Diagnostic Apps

Using car diagnostic apps required attention to safety to avoid accidents or damage to the vehicle.

Important safety considerations include:

• Safe Driving Practices: Avoid using apps while driving.
• Correct Adapter Usage: Use the correct OBD2 adapter.
• Understanding Data: Interpret data correctly.
• Avoiding ECU Damage: Be cautious with ECU programming.
• Professional Assistance: Seek professional help when needed.

7.1. Avoiding Distractions and Maintaining Safe Driving Practices

Avoid using car diagnostic apps while driving. Distracted driving could increase the risk of accidents. If you need to use the app while driving, pull over to a safe location first. According to data from the National Highway Traffic Safety Administration (NHTSA), distracted driving was a leading cause of accidents.

7.2. Ensuring Proper Use of OBD2 Adapters to Prevent Damage

Use the correct OBD2 adapter and ensure that it was properly connected to the vehicle’s OBD2 port. Using an incompatible or improperly connected adapter could damage the vehicle’s ECU. Check the adapter’s documentation and follow the manufacturer’s instructions carefully. According to warnings from various automotive manufacturers, improper use of OBD2 adapters could result in costly repairs.

7.3. Interpreting Diagnostic Data Accurately to Avoid Misdiagnosis

Interpret diagnostic data accurately to avoid misdiagnosis. Fault codes and sensor readings could provide valuable information, but they should be interpreted in context. Consult the vehicle’s service manual or a professional technician if you were unsure about the meaning of a particular code or reading. A report by the American Automobile Association (AAA) found that misdiagnosis was a common cause of unnecessary repairs.

7.4. Exercising Caution When Performing ECU Programming

Exercise caution when performing ECU programming. Incorrect programming could damage the vehicle’s ECU. Only perform ECU programming if you have specialized knowledge and experience. Follow the manufacturer’s instructions carefully and use reputable programming tools. According to warnings from various automotive manufacturers, ECU programming should only be performed by qualified technicians.

7.5. Seeking Professional Assistance When Needed

Seek professional assistance when needed. If you were unsure about how to diagnose or repair a vehicle issue, consult a qualified technician. A professional technician could provide expert guidance and perform repairs safely and effectively. According to data from the National Institute for Automotive Service Excellence (ASE), professional technicians were trained and certified to diagnose and repair vehicles.

8. The Evolution of Car Diagnostic Apps Since 2017

Since 2017, car diagnostic apps have evolved significantly, with advancements in features, connectivity, and user experience.

Key advancements in car diagnostic apps since 2017 include:

• Improved Connectivity: Enhanced Bluetooth and Wi-Fi capabilities.
• Advanced Data Analysis: Sophisticated algorithms for data interpretation.
• Cloud Integration: Storage and sharing of diagnostic data.
• AI-Powered Diagnostics: Artificial intelligence for predictive maintenance.
• Expanded Vehicle Coverage: Support for newer vehicle models and protocols.

8.1. Improvements in Connectivity and Data Transfer Speeds

Connectivity and data transfer speeds have improved significantly since 2017. Newer apps and adapters support faster Bluetooth and Wi-Fi protocols, allowing for more rapid and reliable data transfer. This could result in quicker diagnostics and more real-time monitoring of vehicle parameters. According to tests conducted by various tech websites, modern OBD2 adapters could transfer data several times faster than older models.

8.2. Advancements in Data Analysis and Interpretation

Data analysis and interpretation have become more sophisticated since 2017. Newer apps use advanced algorithms and machine learning techniques to analyze diagnostic data and provide more accurate and insightful recommendations. Some apps could even predict potential issues based on historical data and usage patterns. A study by the Massachusetts Institute of Technology (MIT) found that AI-powered diagnostics could significantly improve diagnostic accuracy and efficiency.

8.3. Integration with Cloud Services for Data Storage and Sharing

Many modern car diagnostic apps integrate with cloud services for data storage and sharing. This allows users to store their diagnostic data in the cloud and access it from multiple devices. Cloud integration also enables users to share their data with technicians or other professionals for remote diagnostics and assistance. According to information from various cloud service providers, cloud integration could improve data accessibility and collaboration.

8.4. The Rise of AI-Powered Diagnostics and Predictive Maintenance

AI-powered diagnostics and predictive maintenance are emerging trends in the car diagnostic app market. These apps use artificial intelligence to analyze diagnostic data and predict potential issues before they occur. This could enable users to perform preventative maintenance and avoid costly repairs. A report by McKinsey & Company found that AI-powered diagnostics could significantly reduce vehicle downtime and maintenance costs.

8.5. Expanding Vehicle Coverage and Support for Newer Protocols

Vehicle coverage and support for newer protocols have expanded since 2017. Newer apps support a wider range of vehicle makes, models, and years, as well as newer OBD2 protocols. This ensures that users could diagnose and maintain their vehicles, regardless of their age or type. According to information from various automotive diagnostic equipment manufacturers, expanding vehicle coverage was a key focus in the car diagnostic app market.

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10. Frequently Asked Questions (FAQ) About Car Diagnostic Apps

Here are some frequently asked questions about car diagnostic apps.

10.1. What Type of Car Diagnostic App Suits My Vehicle?
Choose an app compatible with your car’s make, model, and year. Check the app’s compatibility list.

10.2. What Are Essential Car Repair Tools That I Need?
Essential tools include a wrench set, socket set, screwdrivers, pliers, and a diagnostic scanner.

10.3. Where Can I Buy Car Repair Tools?
Purchase tools from reputable auto parts stores, online retailers like Amazon, or specialty tool suppliers.

10.4. How Do I Troubleshoot a Car Problem Using a Diagnostic App?
Read fault codes, monitor sensor data, and perform component tests to diagnose the issue.

10.5. How Often Should I Scan My Car for Issues?
Scan regularly, especially when you notice unusual symptoms or the check engine light turns on.

10.6. Can a Car Diagnostic App Detect All Car Problems?
No, some issues may require physical inspection or specialized equipment.

10.7. Are Free Car Diagnostic Apps Reliable?
Free apps can be useful for basic diagnostics but may lack advanced features and accuracy.

10.8. How Can I Tell if My Car Is Ready for an Emissions Test?
Use the app to check the status of emission monitors and ensure all tests have passed.

10.9. Can I Reset the Check Engine Light with a Diagnostic App?
Yes, most apps allow you to reset the check engine light after addressing the underlying issue.

10.10. Do Car Diagnostic Apps Work on All Car Brands?
Compatibility varies, so check the app’s documentation to ensure it supports your car’s brand.